National LM1877 Manual(1)
Contents
1. 3 4 5 10 11 12 DS007913 8 Typical Split Supply DS007913 9 www national com Physical Dimensions inches millimeters unless otherwise noted 0 009 0 013 0 229 0 330 TYP ALL LEADS 0 291 0 299 a 7 391 7 595 0 017 3 ponj 8 MAX TYP ALL LEADS t 0 004 0 102 ALL LEAD TIPS AL us 0 030 0 050 0 762 1 270 TYP ALL LEADS 14 13 12 11 10 9 0 394 0 419 10 01 10 64 LEAD NO 1 IDENT O 0 093 0 104 2 362 2 642 y t t 0 346 0 362 8 788 9 195 8 0 004 0 012 0 102 0 305 J V seane PLANE 0 014 0 019 0 037 0 044 A 0 940 1 118 0 050 Molded SOIC Package M Order Number LM1877M 9 NS Package Number M14B 0 356 0 483 M14B REV D TYP www national com Physical Dimensions inches millimeters unless oth 0 740 0 770 18 80 19 56 0 090 2 286 INDEX AREA 0 250 0 010 6 350 40 254 PINNO 1 _ PINNO 1__ IDENT IDENT 0 092 D 030 MAX 2 387 10 762 DEPTH OPTION 1 0 135 40 005 3 428 0 127 0 0 060 1 524 TYP 4 TYP w pt 90 4 TYP OPTIONAL erwise noted Continued OPTION 02 0 300 0 320 7 620 8 128 0 065 1 651 95 A 0 008 0 016 0 203 0 406 TR 10 508 E MIN 0 125 0 150 Lel a 0 075 40 015 8 475 4 810 12. 00 az E E 600 E e c 3 gt 400 gt a g e 200 c Fe gt lt 0 0 05 1 15 2 POWER OUTPUT W CHANNEL DS007913 16 Typical Performance Characteristics Power Supply Rejection Ratio Referred to the Output vs Frequency 70 60 VRIppLE 1 Vrms 10 CIN 0 1 pF POWER SUPPLY REJECTION dB 8 FREQUENCY Hz DS007913 11 Channel Separation Referred to the Output vs Frequency 80 uy a Ciy 0 1 uF m ti g q Es 60 Caypass 50 uF a Vec 20V Em Vout 4 Vrms z 50 Ay 50 5 Hh Cin 0 0047 uF 40 10 100 1k 10k 100k FREQUENCY Hz DS007913 14 Total Harmonic Distortion vs Frequency TOTAL HARMONIC DISTORTION FREQUENCY Hz DS007913 17 Power Supply Rejection Ratio Referred to the Output vs Frequency 70 VRIPPLE 1 Vrms 60 Cin 0 0047 uF a AA a ko AAAI T 20 aA Ci POWER SUPPLY REJECTION dB FREQUENCY Hz DS007913 12 Channel Separation Referred to the Output vs Frequency Ceypass 50 uF Vec 7V Vo 500 mVrms CHANNEL SEPARATION dB 10 100 1k 10k 100k FREQUENCY Hz DS007913 15 Total Harmonic Distortion vs Frequency TOTAL HARMONIC DISTORTION FREQUENCY Hz DS007913 1
3. 7 905 0 381 aa id i anm P o fe 810020010 np 0 050 0 010 ee heel 0 050 40 010 typ 0 000 270 0254 0 325 Tm 1 016 ass a Nida REV F Molded Dual In Line Package N Order Number L M1877N 9 NS Package Number N14A LIFE SUPPORT POLICY NATIONAL S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT AND GENERAL COUNSEL OF NATIONAL SEMICONDUCTOR CORPORATION As used herein 1 Life support devices or systems are devices or systems which a are intended for surgical implant into the body or b support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided in the labeling can be reasonably expected to result in a significant injury to the user N www national com National Semiconductor National Semiconductor Corporation Europe Americas Fax 49 0 1 80 530 85 86 ltaliano Tel 49 0 1 80 534 16 80 Tel 1 800 272 9959 Email europe support nsc com Fax 1 800 737 7018 Deutsch Tel 49 0 1 80 530 85 85 Email support nsc com English Tel 49 0 1 80 532 78 32 Fran ais Tel 49 0 1 80 532 93 58 0 2 A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system or to affect its safety or effectiveness National Semicon
4. 8 www national com Typical Performance Characteristics Continued Power Dissipation W Both Channels Operating Open Loop Gain vs Frequency 100 DEVICE DISSIPATION W BOTH CHANNELS OPERATING VOLTAGE GAIN dB 0 1 2 3 4 5 100 1k 10k 100k 1M POWER OUTPUT W CHANNEL FREQUENCY Hz DS007913 19 DS007913 20 Typical Applications Stereo Phonograph Amplifier with Bass Tone Control STEREO CERAMIC CARTRIDGE Output Swing vs Supply Voltage 16 OUTPUT SWING Vp p o 0 5 10 15 20 25 SUPPLY VOLTAGE V DS007913 21 82 82 DS007913 4 www national com Typical Applications continued Frequency Response of Bass Tone Control a 6 MAXIMUM 3 BOOST E 5 RESPONSE Zz o o 2 45 o 5 2 35 z o o 25 lt 5 o gt 15 20 50 100 200 500 1k 2k 5k 10k 20k FREQUENCY Hz DS007913 5 1 Inverting Unity Gain Amplifier 0 1 uF 500 uF RL 82 I 3 4 5 10 11 12 E 0 1 uF 50 uF DS007913 6 Stereo Amplifier with A 200 500 F RL E O1uF SS Lae 10 11 12 TAB GND 500 uF 2 RL zo 82 oa gt 104F DS007913 7 www national com Typical Applications continued Non Inverting Amplifier Using Split Supply 2k 100k
5. Diagram Ls a T k Fe o Q Q O IQ Y S O Q O1 03 O7 O 6 O8 FEEDBACK 1 INPUT 1 INPUT 2 FEEDBACK 2 O OUTPUT 1 3 4 5 10 11 12 DS007913 2 www national com 2 Absolute Maximum Ratings note 1 If Military Aerospace specified devices are required please contact the National Semiconductor Sales Office Distributors for availability and specifications Supply Voltage 26V Input Voltage 0 7V Operating Temperature 0 C to 70 C Storage Temperature 65 C to 150 C Junction Temperature 150 C Lead Temperature N Package Soldering 10 sec 260 C Electrical Characteristics M Package Infared 15 sec 220 C M Package Vapor Phase 60 sec 215 C Thermal Resistance Osc N Package 30 C W 03 N Package 79 C W 8jc M Package 27 C W 944 M Package 114 C W Note 1 Absolute Maximum Ratings indicate limits beyond which damage to the device may occur Operating Ratings indicate conditions for which the de vice is functional but do not guarantee specific performance limits Vs 20V Ta 25 C Note 2 R 8Q Ay 50 34 dB unless otherwise specified Parameter Conditions Min Typ Max Units Total Supply Current Po OW 25 50 mA Output Power THD 10 LM1877 Vs 20V R 8Q 2 0 W Ch Vs 12V R 8Q 1 3 W Ch Total Harmonic Distortion LM1877 f 1 kHz Vs 14V Po 50 mW Channe
6. ductor Japan Ltd Tel 81 3 5639 7560 Fax 81 3 5639 7507 National Semiconductor Asia Pacific Customer Response Group Tel 65 2544466 Fax 65 2504466 Email sea support nsc com National does not assume any responsibility for use of any circuitry described no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications Jody JSMOd OIPNY Jend Z28LINT
7. l 0 075 Po 500 mW Channel 0 045 Po 1 W Channel 0 055 Yo Output Swing R 892 Vs 6 Vp p Channel Separation Cr 50 uF C 0 1 UF f 1 kHz Output Referred Vs 20V Vo 4 Vrms 50 70 dB Vs 7V Vo 0 5 Vrms 60 dB PSRR Power Supply Cr 50 uF Cy 0 1 UF Rejection Ratio f 120 Hz Output Referred Vs 20V VaippLe 1 Vrms 50 65 dB Vs 7V Vaippre 0 5 Vrms 40 dB Noise Equivalent Input Noise Rg 0 Cn 0 1 pF 2 5 uv BW 20 Hz 20 kHz Output Noise Wideband Rs 0 Cy 0 1 uF Ay 200 0 80 mV Open Loop Gain Rs 0 f 100 kHz R 8Q 70 dB Input Offset Voltage 15 mV Input Bias Current 50 nA Input Impedance Open Loop 4 MQ DC Output Level Vs 20V 9 10 11 V Slew Rate 2 0 V us Power Bandwidth 65 kHz Current Limit 1 0 A Note 2 For operation at ambient temperature greater than 25 C the LM1877 must be derated based on a maximum 150 C junction temperature www national com Device Dissipation vs Ambient Temperature O IN COPPER FOIL P C BOAI 2S0 IN COPPER FOIL P C DEVICE DISSIPATION W 0 10 20 30 40 50 60 70 80 TA AMBIENT TEMPERATURE C DS007913 10 Power Supply Rejection Ratio Referred to the Output vs Supply Voltage Caypass 50 uF Cin 0 1 uF VRIPPLE 1 Vrms f 120 Hz Ay 50 POWER SUPPLY REJECTION dB SUPPLY VOLTAGE V DS007913 13 Average Supply Current vs Pour 8
8. mA E 5 RASA BER ARAM MVR LM1877 Dual Audio Power Amplifier m 65 dB channel separation output referred National Semiconductor General Description E tina range pran The LM1877 is a monolithic dual power amplifier designed tof oY odio bao ot deliver 2W channel continuous into 8Q loads The LM1877 is 4 Sa designed to operate with a low number of external compo AC short circuit protected nents and still provide flexibility for use in stereo phono Internal thermal shutdown graphs tape recorders and AM FM stereo receivers etc E E Each power amplifier is biased from a common internal regu Appl ications lator to provide high power supply rejection and output Q Multi channel audio systems point centering The LM1877 is internally compensated for a Stereo phonographs all gains greater than 10 m Tape recorders and players m AM FM radio receivers Features m Servo amplifiers m 2W channel m Intercom systems m 65 dB ripple rejection output referred m Automotive products February 1995 Connection Diagram BIAS OUTPUT 1 GND GND GND INPUT 1 FEEDBACK 1 Dual In Line Package or Surface Mount Package INPUT 2 FEEDBACK 2 DS007913 1 Top View Order Number LM1877M 9 or LM1877N 9 See NS Package Number M14B or N14A 1999 National Semiconductor Corporation DS007913 www national com Jayiduiy Jomod olpny enq Z28LINT Equivalent Schematic
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National LM1877 Manual(1)