MAXIM MAX2264/MAX2265/MAX2266 datasheet
Contents
1. MAX2265 MAX2265 MAX2265 ADJACENT CHANNEL POWER RATIO GAIN vs OUTPUT POWER SUPPLY CURRENT vs OUTPUT POWER vs OUTPUT POWER 3 800 30 40 600 E amp R Z 50 S NN wu L Voo 2 7V 3 3V 2 E 3 AT Ta 40 C 25 C 85 C Es E cc 33v UM x 2 o a a 200 70 USING OPTIONAL TB CIRCUIT IN FIGURE 2 0 80 0 5 10 15 20 25 30 35 0 5 10 15 20 25 30 35 20 10 0 0 20 30 OUTPUT POWER dBm OUTPUT POWER dBm OUTPUT POWER dBm MAX2265 MAX2265 POWER ADDED EFFICIENCY POWER ADDED EFFICIENCY MAX2265 vs OUTPUT POWER vs FREQUENCY TDMA POWER SPECTRUM 8 40 a 40 s E 8 30 8 E E Ta 25 C 9 2 Acn 36 75 36 74 9 36 58 Ver 2 36 50 _ 10 TA 85 0 9 amp 0 Ss Veo 3 3V mi g a TA 40 7 amp 1 34 e 20 30 32 40 50 30 60 35 826 831 836 841 846 CENTER 836MHz 15 2805kHz div SPAN 152 805kHz OUTPUT POWER dBm FREQUENCY MHz MAX2266 MAX2266 MAX2266 SHUTDOWN CURRENT vs SUPPLY VOLTAGE GAIN vs SUPPLY VOLTAGE GAIN vs SUPPLY VOLTAGE 140 E 30 3 34 8 PWR GND E PWR GND 3 120 SHDN GND 8 3 PIN SET FOR ACPR LIMIT E NO INPUT DRIVE 28 32 g 100 a 80 Ta 85 C g 26 g 30 5 z z lt lt aE S n 3 28 25 TA 425 C PB 40 22 26 20 Ta 40 C 0 20 24 25 30 35 40 45 50 55 25 3 0 35 40 45 5 0 25 30 35 40 45 50 SUPPLY VOLTAGE V SUPPLY VOLTAGE V SUPPLY VOLTAGE V 8 MAKIM 2 7V Single Supply Cellular Band Linear Power Amplifiers Typical Oper2. MAX2264 MAX2265 MAX2266 PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Operating Voltage Range Voc 2 7 5 0 V PWR Vcc 95 MAX2264 MAX2266 Idle Current loc PWR GND 34 S MAX2265 83 Shutdown Supply Current Icc SHDN PWR GND 0 5 10 UA Logic Input Current High Logic Vcc 1 uA Logic Input Current Low Logic GND 1 uA Logic Threshold High 2 0 V Logic Threshold Low 0 8 V AC ELECTRICAL CHARACTERISTICS MAX2264 MAX2264 EV kit Vcc VPWR V SHDN tuned for 824MHz to 849MHz operation 50Q system unless otherwise noted 3 3V TA 25 C fin 836MHz CDMA modulation SHDN Vcc matching networks PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Frequency Range Notes 1 2 fIN PWR Vcc or GND 824 849 MHz Ta 25 C 23 24 5 PWR Vcc Power Gain Note 1 GP TA TMIN to TMAX 22 dB PWR GND 18 21 EE SEn TA Tmin to Tmax relative to TA 25 C 0 8 dB Note 1 PWR Vcc Pin adjusted to meet ACPR 27 28 Output Power p specification IN 824MHz to 849MHz jA OUT m High Power Mode Note 1 PWR Vcc 2 8V Pin adjusted to meet m ACPR specification fin 824MHz to 849MHz PWR GND Pin adjusted to meet ACPR 15 16 5 Output Power specification fin 824 MHz to 849 MHz Low Power Mode Note 1 PouT SES Low Power Mode Note 1 PWR GND Vcc 2 8V Pin adjusted to meet ACPR specifica
3. PIN MAX2264 NAME FUNCTION MAX2266 MEANS 1 1 IN1 RF Input Port Requires external matching network 2 PWR Mode Select Input Drive low to select the low power mode BIAS1L and BIAS2L Drive high to select high power mode BIAS1H and BIAS2H 3 5 14 3 5 Voc Voltage Supply Bypass with capacitors connected between this pin and GND 4 4 BIAS1H High Power Mode First Stage Bias Control See General Description Shutdown Control Input Drive SHDN low to enable shutdown Drive high for normal 6 2 6 SHDN operation On the MAX2265 make sure that both pins get driven simultaneously To place the MAX2264 MAX2266 into shutdown mode also pull the PWR pin low 7 BIAS2L Low Power Mode Second Stage Bias Control See General Description 8 9 8 9 OUTI Pa Ports Require an appropriate output matching network and collector 10 BIAS1L Low Power Mode First Stage Bias Control See General Description RF Output Port Requires an appropriate output matching network and collector 11 OUTO bias Noise Filtering Pin Connect noise filtering network as described in 12 12 NFP z ST Noise Filtering section If unused leave open 7 10 11 i i 14 16 N C Not Internally Connected Do not make any connections to these pins 13 Slug 13 Slug GND Ground Solder the package slug to high thermal conductivity circuit board ground plane 15 15 BIAS2H High Power Mode Second Stage Bias Control See General Description 16 mE INO RF Input Port Requires external m
4. C a gt gt ES a a a a DB a 200 0 0 5 10 15 20 25 30 35 0 3 6 9 12 15 18 OUTPUT POWER dBm OUTPUT POWER dBm OUTPUT POWER dBm MAKIM 9 99ccXVW s9ccXVMW P9cc XVIW MAX2264 MAX2265 MAX2266 2 7V Single Supply Cellular Band Linear Power Amplifiers Typical Operating Characteristics continued MAX2264 MAX2265 MAX2266 EV kits Vcc 3 3V SHDN Vcc CDMA modulation TA 25 C unless otherwise noted MAX2266 MAX2266 MAX2266 ADJACENT CHANNEL POWER RATIO POWER ADDED EFFICIENCY POWER ADDED EFFICIENCY vs OUTPUT POWER vs OUTPUT POWER vs OUTPUT POWER 5 55 PWR GND E 50 PWR Vcc 8 PWR GND B 3 45 E 40 Ver 2 7V 15 H 35 S E 30 E 5 lt 25 gz 0 lt 20 15 Vec 3 3V 9 10 ec 5 0 0 20 0 5 10 15 20 25 30 35 40 5 0 5 0 15 2 OUTPUT POWER dBm OUTPUT POWER dBm MAX2266 MAX2266 POWER ADDED EFFICIENCY POWER ADDED EFFICIENCY vs FREQUENCY vs FREQUENCY 38 25 PWR Vcc Pour 28dBm PWR GND Pour 16dBm MAX2266 toc16 MAX2266 toc17 36 20 17 6 17 4 34 PAE PAE 32 30 28 824 830 836 842 848 824 830 836 842 848 FREQUENCY MHz FREQUENCY MHz 10 MAXIM 2 7V Single Supply Cellular Band Linear Power Amplifiers Pin Description
5. MAX2265 MAX2266 allow for additional noise filtering for further suppression of transmit noise This is achieved by using C6 and L6 on the MAX2264 C13 and L7 on the MAX2265 and C6 and L6 on the MAX2266 Use the recommended component values for optimal noise power Table 1 L OPTIONAL NOISE REDUCTION CIRCUIT UPG152TA Figure 3 MAX2266 Typical Application Circuit 14 MAXIM 2 7V Single Supply Cellular Band Linear Power Amplifiers Pin Configurations continued Chip Information TOP VIEW MAXIM TRANSISTOR COUNT 1256 MAX2265 IN1 SHDN Vcc BIAS1H Vcc SHDN N C DUT TSSOP EP Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product No circuit patent licenses are implied Maxim reserves the right to change the circuitry and specifications without notice at any time Maxim Integrated Products 120 San Gabriel Drive Sunnyvale CA 94086 408 737 7600 15 2001 Maxim Integrated Products Printed USA MAXIN is a registered trademark of Maxim Integrated Products 99ccXVW s9ccxXVMW P9cc XVIW
6. 32 dBc Note 1 Minimum and maximum values are guaranteed by design and characterization not production tested Note 2 Pmax is met over this frequency range at the ACPR limit with a single matching network For optimum performance at other frequencies the output matching network must be properly designed See the Applications Information section Operation between 750MHz and 1000MHz is possible but has not been characterized Note 3 PAE is specified into a 50Q load while meeting ACPR requirements Note 4 Time from logic transition until Pour is within 1dB of its final mean power Note 5 Murata isolator as load with 20 1 VSWR any phase angle after isolator Note 6 Noise power can be improved by using the circuit in Figures 1 2 and 3 Note 7 Harmonics measured on evaluation kit which provides some harmonic attenuation in addition to the rejection provided by the IC The combined suppression is specified Note 8 gt 25 C guaranteed by production test lt 25 C guaranteed through correlation to worst case temperature testing Typical Operating Characteristics MAX2264 MAX2265 MAX2266 EV kits Vcc 3 3V SHDN Vcc CDMA modulation TA 25 C unless otherwise noted MAX2264 MAX2264 MAX2264 SHUTDOWN CURRENT vs SUPPLY VOLTAGE GAIN vs SUPPLY VOLTAGE GAIN vs SUPPLY VOLTAGE 140 5 30 8 3 PWR GND PWR Ver PWR GND 120 L SHDN GND E u 3 3 NO
7. INPUT DRIVE 28 z 100 Ta 40 C 80 Ta 85 C a 26 z 5 z z 60 5 amp 24 25 Ta 425 C Ta 25 C Ta 85 C o 4 22 20 TA 40 C 0 20 25 30 35 40 45 50 55 25 30 385 40 45 5 0 25 30 35 40 45 50 SUPPLY VOLTAGE V SUPPLY VOLTAGE V SUPPLY VOLTAGE V dl d Slab 5 99ccXVW s9ccxXVMW P9cc XVIW MAX2264 MAX2265 MAX2266 2 7V Single Supply Cellular Band Linear Power Amplifiers MAX2264 POWER ADDED EFFICIENCY vs SUPPLY VOLTAGE 36 MAX2264 POWER ADDED EFFICIENCY vs SUPPLY VOLTAGE Typical Operating Characteristics continued MAX2264 MAX2265 MAX2266 EV kits Vcc 3 3V SHDN Vcc CDMA modulation TA 25 C unless otherwise noted MAX2264 OUTPUT POWER vs INPUT POWER MAX2264 06 MAX2264 09 MAX2264 12 PWR Vcc Lt PWR GND HEH E E 34 32 m z 5 ET 2 a 30 TA 85 C TA 25 C a 5 cC 28 26 25 30 35 40 45 50 25 3 0 35 40 45 5 0 SUPPLY VOLTAGE V SUPPLY VOLTAGE V INPUT POWER dBm MAX2264 MAX2264 MAX2264 OUTPUT POWER vs INPUT POWER GAIN vs OUTPUT POWER GAIN vs OUTPUT POWER PWR Vec Vec 3 3V E PWR GND 2 TA 40 C 3 Ver 2 7V M Ta 40 C g g g 5 z 5 5 5 a LE 3 44 42 10 8 6 4 2 35 40 5 0 5 10
8. 15 20 INPUT POWER dBm OUTPUT POWER dBm MAX2264 MAX2264 MAX2264 ADJACENT CHANNEL POWER RATIO SUPPLY CURRENT vs OUTPUT POWER SUPPLY CURRENT vs OUTPUT POWER vs OUTPUT POWER 800 2 PWR Vec PWR GND S E 600 amp amp E E E a g ES 400 Vec 2 7V 3 3V E AT TA 40 C 425 C 85 C 3 g gt gt a a LM a Se 2 72 72 200 0 0 5 10 15 20 25 30 35 0 3 6 9 12 15 48 20 10 0 10 20 30 OUTPUT POWER dBm OUTPUT POWER dBm OUTPUT POWER dBm 6 AVLAZCLAVI ACPR dBc PAE 96 GAIN dB MAXIM 2 7V Single Supply Cellular Band Linear Power Amplifiers MAX2264 ADJACENT CHANNEL POWER RATIO vs OUTPUT POWER PWR GND MAX2264 13 TA 25 0 A 0 5 0 5 10 15 20 OUTPUT POWER dBm MAX2264 POWER ADDED EFFICIENCY vs FREQUENCY 40 e PWR Vec i Pour 28dBm E 38 36 34 32 30 824 830 836 842 848 FREQUENCY MHz MAX2265 GAIN vs SUPPLY VOLTAGE 30 e Ta 40 C 8 28 26 TA 85 C 8 Ta 25 C 22 20 2 5 3 0 35 40 45 5 0 SUPPLY VOLTAGE V PAE 96 PAE PAE 96 Typical Operating Characteristics continued 31 MAX2264 POWER ADDED EFFICIENCY vs OUTPUT POWER PWR VCC Ta Twin TO Tax Vcc 2 2 7V Vec 3 3V 0 5 10 15 20 25 30 OUTPUT POWER dBm MAX2264 POWER ADDED EFFICIENCY vs FREQUENCY PWR GN
9. 19 1524 Rev 3 2 01 General Description The MAX2264 MAX2265 MAX2266 power amplifiers are designed for operation in IS 98 based CDMA S 136 based TDMA and PDC cellular telephones operating in the 900MHz range When matched for CDMA operation and biased with margin over the adjacent and alternate channel specification 45dBc 56dBc the amplifiers achieve 28dBm output power with 37 efficiency MAX2265 At 16dBm output a very common power level for CDMA phones the MAX2265 still has 796 effi ciency yielding excellent overall talk time At the same power level the MAX2264 MAX2266 have an unprece dented 1226 1796 efficiency while still obtaining 3296 32976 efficiency at maximum output power The MAX2264 MAX2265 MAX2266 have internally refer enced bias ports that are normally terminated with sim ple resistors The bias ports allow customization of ACPR margin and gain They can also be used to throttle back bias current when generating low power levels The MAX2264 MAX2265 MAX2266 have excel lent gain stability over temperature x0 8dB so overdesign of driver stages and excess driver current are dramatically reduced further increasing the phone s talk time The devices can be operated from 2 7V to 5V while meeting all ACPR specifications over the entire temperature range Nonlinear efficiency is 48 when matched for linear operation or 55 when matched for non linear only operation MAX2265 The devices are package
10. D Pour 16dBm 12 11 MAX2264 14 35 MAX2264 17 MAX2264 MAX2265 MAX2266 EV kits Vcc 3 3V SHDN Vcc CDMA modulation TA 25 C unless otherwise noted MAX2264 POWER ADDED EFFICIENCY vs OUTPUT POWER PWR GND PA SUPPLY CURRENT nA 824 830 836 842 848 FREQUENCY MHz MAX2265 POWER ADDED EFFICIENCY vs SUPPLY VOLTAGE MAX2265 20 A 425 C Ta 485 C TA 40 C 10 5 0 5 10 15 OUTPUT POWER dBm MAX2265 SHUTDOWN CURRENT vs SUPPLY VOLTAGE PWR GND SHDN GND NO INPUT DRIVE 25 30 35 40 45 50 SUPPLY VOLTAGE V MAX2265 OUTPUT POWER vs INPUT POWER Vec 2 7V A 409C 25 3 0 3 9 40 45 SUPPLY VOLTAGE V 5 0 OUTPUT POWER dBm Vccs2 7V TA 85 C INPUT POWER dBm MAX2264 15 99ccXVW s9ccxVMW P9cc XVIW 20 MAX2265 18 55 MAX2265 21 MAX2264 MAX2265 MAX2266 2 7V Single Supply Cellular Band Linear Power Amplifiers Typical Operating Characteristics continued MAX2264 MAX2265 MAX2266 EV kits Vcc 3 3V SHDN Vcc CDMA modulation TA 25 C unless otherwise noted
11. ITS Power Added Efficiency PAE PIN adjusted to give Pour 28dBm 37 5 Note 3 PiN adjusted for Pour 16dBm 7 AMPS Power Added Efficiency PAE PIN 8dBm 48 Turn On Time Notes 1 4 1 5 US Maximum Input VSWR VSWR fin 824 MHZ to 849 MHz 1 3 1 Geer Pine Modi 40 dBe oise Power Note 6 Measured at 881MHz 140 dBm Hz AMPS Noise Power Note 6 Measured at 881MHz Pin 8dBm 139 dBm Hz Harmonic Suppression Note 7 47 dBc AC ELECTRICAL CHARACTERISTICS MAX2266 MAX2266 EV kit Vcc VSHDN 3 3V TA 25 C fin 836MHz CDMA modulation matching networks tuned for 824MHz to MAX2264 MAX2265 MAX2266 849MHz operation 50Q system unless otherwise indicated PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Frequency Range Notes 1 2 TIN PWR Vcc or GND 824 849 MHz TA 25 C 24 5 26 PWR Vcc Power Gain Note 1 Gp A TMIN to TMAX 23 dB PWR GND 25 27 5 Gain Variation vs Temperature Ta Tunto Tmax relative TA dos C 08 dB Note 1 PWR Vcc PIN adjusted to meet ACPR 27 28 Output Power specification TIN 824MHz to 849MHz POUT dBm High Power Mode Note 1 PWR Vcc 2 8V PIN adjusted to meet 26 27 ACPR specification fin 824MHz to 849MHz PWR GND Pin adjusted to meet ACPR 14 15 5 Output Power specification TIN 824MHz to 849MHz Low Power M Note 1 PouT SEN Low Power Mode Note 1 PWR GND Voc 2 8V Pin a
12. OmA to double the nominal idle current with DAC voltages between OV and 2 4V The DAC must be able to source approximately 100pA Shutdown Mode Pull pins 2 and 6 low to place the MAX2264 MAX2265 MAX2266 into shutdown mode In this mode all gain stages are disabled and supply current drops to 0 5pA Increasing Efficiency Further The MAX2266 incorporates an additional external switch to increase efficiency to 1796 at 16dBm and to 32 at 28dBm This efficiency increase is mainly due to the additional isolation between the high and low power outputs provided by the external switch Applications Information External Components The MAX2264 MAX2265 MAX2266 require matching circuits at their inputs and outputs for operation in a 50 system The application circuits in Figures 1 2 and 3 describe the topology of the matching circuits for C2 E L2 MAXI AVI MAX2264 Figure 1 MAX2264 Typical Application Circuit 12 MAXIM 2 7V Single Supply Cellular Band each device suggested component values suppliers and part numbers are listed in Table 1 These values are optimized for best simultaneous efficiency and return loss performance Use high quality components in these matching circuits for greatest efficiency Layout and Power Supply Bypassing A properly designed PC board is essential to any RF microwave circuit Be sure to use controlled imped ance lines on all high frequency inputs
13. RACTERISTICS MAX2265 MAX2265 EV kit Vcc VSHDN 3 3V TA 25 C fin 836MHz CDMA modulation matching networks tuned for 824MHz to 849MHz operation 502 system unless otherwise indicated PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Frequency Range Notes 1 2 fIN 824 849 MHz R TA 25 C 24 25 5 Power Gain Note 1 Dp dB TA TMIN to TMAX 23 Gain Variation vs Temperature Note 1 TA Tmin to Tmax relative to TA 25 C 0 7 dB PiN adjusted to meet ACPR specification 27 28 fin 824MHz to 849MHz Output Power Note 1 POUT dBm Vcc 2 8V Pin adjusted to meet ACPR specification fin 824MHz to 849MHz 26 eps AMPS Output Power Note 1 POUT PIN 8dBm 30 31 dBm Adjacent Channel Power Ratio Vcc 2 8V to 5 0V offset 885kHz Notes 1 2 ACPR 30kHz BW fin 824MHz to 849MHz za aBe Alternate Channel Power Ratio Vcc 2 8V to 5 0V offset 1980kHz Notes 1 2 ACPR 30kHz BW fin 824MHz to 849MHz Xe of SES MAXIMA 3 99ccXVW Ss9ccxVMW P9cc XVIW 2 7V Single Supply Cellular Band Linear Power Amplifiers AC ELECTRICAL CHARACTERISTICS MAX2265 continued MAX2265 EV kit Vcc VSHDN 3 3V TA 25 C fin 836MHz CDMA modulation matching networks tuned for 824MHz to 849MHz operation 50Q system unless otherwise indicated PARAMETER SYMBOL CONDITIONS MIN TYP MAX UN
14. and outputs Proper grounding of the GND pins is fundamental if the PC board uses a topside RF ground connect all GND pins especially the TSSOP package exposed GND pad directly to it On boards where the ground plane is not on the component side it s best to connect all GND pins to the ground plane with plated through holes close to the package OPTIONAL TB CIRCUIT Linear Power Amplifiers To minimize coupling between different sections of the system the ideal power supply layout is a star configu ration with a large decoupling capacitor at a central Vcc node The Vcc traces branch out from this central node each leading to a separate Vcc node on the PC board A second bypass capacitor with low ESR at the RF frequency of operation is located at the end of each trace This arrangement provides local decoupling at the Vcc pin Input and output impedance matching networks are very sensitive to layout related parasitics It is important to keep all matching components as close to the IC as possible to minimize the effects of stray inductance and stray capacitance of PC board traces MAXUM MAX2265 L7 OPTIONAL NOISE REDUCTION 1 CIRCUIT Figure 2 MAX2265 Typical Application Circuit AVLAZCLAVI 13 99ccXVW s9ccXVMW P9cc XVIW MAX2264 MAX2265 MAX2266 2 7V Single Supply Cellular Band Linear Power Amplifiers Noise Filtering For improved noise performance the MAX2264
15. atching network Detailed Description The MAX2264 MAX2265 MAX2266 are linear power amplifiers PAs intended for CDMA and TDMA appli cations The devices have been fully characterized in the 824MHz to 849MHz U S cellular band and can be used from 750MHz to 1000MHz by adjusting the input and output match In CDMA applications they provide typically 28dBm of output power and up to 37 power added efficiency PAE from a single 2 7V to 5V sup ply In TDMA applications efficiency is 42 at 30dBm of output power An inherent drawback of traditional PAs is that their effi ciency drops rapidly with reduced output power For example in a PA designed for maximum efficiency at 28dBm the efficiency at 15dBm falls well below 4 5 over 210mA from a 3 3V supply This behavior significantly reduces talk time in CDMA phones AVLAZCLAVI because over 90 of the time they are at output pow ers below 16dBm The MAX2264 MAX2265 MAX2266 are optimized for lowest current draw at output powers that are most likely to occur in real life situations This provides up to 50 reduced average PA current High Power and Low Power Modes The MAX2264 MAX2266 are designed to provide opti mum PAE in both high and low power modes For a 3 3V supply maximum output power is 28dBm in high power mode and 16dBm in low power mode Use the system s microcontroller to determine required output power and switch between the two modes as appropriate wi
16. ating Characteristics continued MAX2264 MAX2265 MAX2266 EV kits Vcc 3 3V SHDN Vcc CDMA modulation TA 25 C unless otherwise noted MAX2266 MAX2266 POWER ADDED EFFICIENCY POWER ADDED EFFICIENCY MAX2266 vs SUPPLY VOLTAGE vs SUPPLY VOLTAGE OUTPUT POWER vs INPUT POWER 36 8 32 8 8 PWR GND E PWR Ver Vec 3 3V 2 E 31 Ta 85 C 2 2 z 34 Voc 3 3V Ta 25 C E 30 Ki Vec 3 3V Geer em Ta 40 C S 32 g 29 a m gt 2 Vee 2 7V 5 Tas 40 C 27 Vec 27V 28 Me 26 Veo 2 7V A7 85 C 26 25 2 5 3 0 35 40 45 5 0 25 3 0 3 5 4 0 45 5 0 0 1 2 3 4 5 6 7 8 SUPPLY VOLTAGE V SUPPLY VOLTAGE V INPUT POWER dBm MAX2266 MAX2266 MAX2266 OUTPUT POWER vs INPUT POWER GAIN vs OUTPUT POWER GAIN vs OUTPUT POWER PWR GND 8 Veg 3 3V 8 PWR GND E ha Amt US E Pd e TA 425 C S e S lt c5 c5 c ce 3V Voc 2 7V C Ta 42590 s i 35 20 INPUT POWER dBm OUTPUT POWER dBm OUTPUT POWER dBm MAX2266 MAX2266 MAX2266 ADJACENT CHANNEL POWER RATIO SUPPLY CURRENT vs OUTPUT POWER SUPPLY CURRENT vs OUTPUT POWER vs OUTPUT POWER d y PWR GND g E 600 e E E z a o E Vec 2 7V 3 3V S 400 AT TA 40 C 25 C 85
17. d in a 16 pin TSSOP with exposed pad EP For module or direct chip attach applications the MAX2264 is also available in die form Applications Cellular Band CDMA Dual Mode Phones Cellular Band PDC Phones Cellular Band TDMA Dual Mode Phones Dual Mode Phones 2 Way Pagers Power Amplifier Modules Selector Guide M d al dh Typical Urban Scenario 55mA MAX2264 90mA MAX2265 40mA MAX2266 0 5pA Shutdown Mode Eliminates External Supply Switch 9 Circuitry Needed 2 7V Single Supply Cellular Band Linear Power Amplifiers Features Supply Current and ACPR Margin Dynamically Adjustable 9 2 7V to 5V Single Supply Operation 37 Efficiency at 2 7V Operation Low Average CDMA Current Consumption in 0 8dB Gain Variation Over Temperature No External Reference or Logic Interface Ordering Information PIN PART TEMP RANGE PACKAGE MAX2264EVE 40 C to 85 C 16 TSSOP EP MAX2264E D 40 C to 85 C Dice MAX2265EUE 40 C to 85 C 16 TSSOP EP MAX2266EUE 40 C to 85 C 16 TSSOP EP TSSOP EP 5mm x 6 4mm POWER ADDED EFFICIENCY BIAS2L DEVICE CDMA AT CDMA AT TDMA AT 28dBm 16dBm 30dBm MAX2264 32 12 MAX2265 37 7 42 MAX2266 32 17 MALA Contact factory for dice specifications Pin Configurations TOP VIEW MAXIM MAX2264 MAX2266 INO BIAS2H Voc GND NFP OUTO BIAS1L DUT DUT TSSOP EP P
18. djusted to meet i ACPR specification fin 824MHz to 849MHz AMPS Output Power Note 1 POUT PIN 8dBm 31 32 dBm Adjacent Channel Power Ratio ACPR Vcc 2 8V to 5 0V offset 885kHz 44 dBc Limit Notes 1 2 30kHz BW fin 824MHz to 849MHz Alternate Channel Power Ratio ACPR Vcc 2 8V to 5 0V offset 1980k Hz 56 dBc Limit Notes 1 2 30kHz BW fin 824MHz to 849MHz PWR Vcc PIN adjusted to meet ACPR 32 Power Added Efficiency eae specification 5 Note 3 PWR GND Pin adjusted to meet ACPR specification 4 AVLAZCLAVI 2 7V Single Supply Cellular Band Linear Power Amplifiers AC ELECTRICAL CHARACTERISTICS MAX2266 continued MAX2266 EV kit Vcc VPWR VSHDN 3 3V Ta 25 C fin 836MHz CDMA modulation SHDN Vcc matching networks tuned for 824MHz to 849MHz operation 50Q system unless otherwise noted PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS AMPS Power Added Efficiency PAE PIN 8dBm 48 Power Mode Switching Time Note 4 550 ns Turn On Time Notes 1 4 PWR Vcc or GND 1 5 us Maximum Input VSWR VSWR fin 824 MHz to 849MHz PWR GND or Vcc 2 41 Nonharmonic Spurious due to Load Mismatch Notes 1 5 PIN 10dBm SR BER Measured at 881MHz 137 Noise Power Note 6 dBm Hz PWR GND measured at 881MHz 130 AMPS Noise Power Note 6 Measured at 881MHz Pin 8dBm 136 dBm Hz Harmonic Suppression Note 7
19. in Configurations continued at end of data sheet Maxim Integrated Products 1 For price delivery and to place orders please contact Maxim Distribution at 1 888 629 4642 or visit Maxim s website at www maxim ic com 99ccXVW s9ccXVMW P9cc XVIW 2 7V Single Supply Cellular Band Linear Power Amplifiers ABSOLUTE MAXIMUM RATINGS Vcc to GND no RF input 0 3V to 6 5V Total DC Power Dissipation TPADDLE 100 C Logic Inputs too 0 3V to Vcc 0 3V 16 Pin TSSOP EP derate 60mW C BIAS oof 0 3V to Vcc 0 3V above TPADDLE 100 C RF Input POWET tege ao orao dac jaka 13dBm 20mW OJA Do m rr m eege Beeler Ee 10mA Operating Temperature Range j Output VSWR with 13dBm Input 2 511 Junction Temperature Storage Temperature Range ssissieeeen Lead Temperature soldering 10sec n n2 9 nbyv unn 300 C Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device These are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied Exposure to absolute maximum rating conditions for extended periods may affect device reliability DC ELECTRICAL CHARACTERISTICS Vcc 2 7V to 5V TA Tmin to Tmax no input signal applied VSHDN 2 0V Typical values are at Vcc 3 3V and TA 25 C unless otherwise noted Note 8
20. th the PWR logic pin Bias Control The bias current of the first stage in low power mode is proportional to the current flowing out of BIAS1L The voltage at BIAS1L is fixed by an internal bandgap refer 11 99ccXVW Ss9ccXVMW P9cc XVIN MAX2264 MAX2265 MAX2266 2 7V Single Supply Cellular Band Linear Power Amplifiers ence so the current out of this pin is inversely propor tional to the value of the resistor between this pin and ground Similarly the bias current of the first stage in high power mode is proportional to the current flowing out of BIAS1H The current in the second stage is pro portional to the currents out of BIAS2L and BIAS2H for low and high power modes respectively Additionally these resistors allow for customization of gain and alternate and adjacent channel power ratios Increasing the bias current in the first stage increases the gain and improves alternate channel power ratio at the expense of efficiency Increasing the bias current in the second stage increases gain at the expense of effi ciency as well as adjacent and alternate channel power ratios The PA bias current can be dynamically adjusted by summing a current into the bias pin of interest with an external source such as a DAC See the MAX2265 Typical Application Circuit for using a voltage DAC and current setting resistors RTB1 and RTB2 Choosing RTB1 R1 and RTB2 R2 allows current adjustment DNA e d C1 between
21. tion fin 824MHz to 849MHz 2 dl d Lab 2 7V Single Supply Cellular Band Linear Power Amplifiers AC ELECTRICAL CHARACTERISTICS MAX2264 continued MAX2264 EV kit Vcc VPwR VSHDN 3 3V TA 25 C fin 836MHz CDMA modulation SHDN Vcc matching networks uned for 824MHz to 849MHz operation 50Q system unless otherwise noted PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS AMPS Output Power Note 1 POUT PIN 8dBm 30 5 31 dBm Adjacent Channel Power Ratio Vcc 2 8V to 5 0V offset 885kHz Limit Notes 1 2 ACPR 30kHz BW fin 824MHz to 849MHz SE SES Alternate Channel Power Ratio Vcc 2 8V to 5 0V offset 1980kHz Limit Notes 1 2 ACPR 30kHz BW fin 824MHz to 849MHz nn SE PWR Vcc PIN adjusted to meet ACPR 32 Power Added Efficiency PAE specification 5 Note 3 PWR GND Pin adjusted to meet ACPR is specification AMPS Power Added Efficiency PAE PIN 8dBm 44 Power Mode Switching Time Note 4 550 ns Turn On Time Notes 1 4 PWR Vcc or GND 1 5 us Maximum Input VSWR VSWR fin 824 MHz to 849MHz PWR GND or Vcc 2 41 Nonharmonic Spurious due E to Load Mismatch Notes 1 5 Fi IDEM SC HE Measured at 881MHz 139 Noise Power Note 6 dBm Hz PWR GND measured at 881MHz 136 AMPS Noise Power Note 6 Measured at 881MHz Pin 8dBm 138 dBm Hz Harmonic Suppression Note 7 32 dBc AC ELECTRICAL CHA
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MAXIM MAX2264/MAX2265/MAX2266 datasheet