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TEXAS INSTRUMENTS TLC04/MF4A-50 TLC14/MF4A-100 Manual

1. 5 V 50 mV Sine Wave 0 to 40 kHz Filterin atO V felock 250 kHz Filter Output dB 0 5 10 15 20 25 30 35 40 Supply Voltage Vcc Ripple Frequency kHz Figure 2 ki TEXAS INSTRUMENTS POST OFFICE BOX 655303 DALLAS TEXAS 75265 TLC04 MF4A 50 TLC14 MF4A 100 BUTTERWORTH FOURTH ORDER LOW PASS SWITCHED CAPACITOR FILTERS SLAS021A NOVEMBER 1986 REVISED MARCH 1995 APPLICATION INFORMATION 5V 5V CMOS CLKIN 5y Nonoverlapping Clock Generator Butterworth 5 FILTER Fourth Order OUT Low Pass Filter 5V 5V e Nonoverlapping Clock Generator Butterworth 5 FILTER Fourth Order OUT Low Pass Filter 5V Figure 4 TTL Clock Driven Dual Supply Operation ki TEXAS INSTRUMENTS POST OFFICE BOX 655303 DALLAS TEXAS 75265 TLC04 MF4A 50 TLC14 MF4A 100 BUTTERWORTH FOURTH ORDER LOW PASS SWITCHED CAPACITOR FILTERS SLAS021A NOVEMBER 1986 REVISED MARCH 1995 APPLICATION INFORMATION 5V gen 3 LS 1 CLKIN R 2 CLKR e AIC 1 Filter 8 FILTER IN Butterworth Input 6 AGND Fourth Order Low Pass Filter Ji E 5V O _ 1 folock Yoo ine mre RC x In V V V CC IT IT For Vcc 10 V 1 fclock TES RC Figure 5 Self Clocking Through
2. O R 2 CLKR l e 10 ko 8 FILTER IN Butterworth ETER 5 6 AGND Fourih Order MA Se 9 t Low Pass Filter 9 l Vcc sk 10kQ 4 0 1 uF See Note A _ 1 fclock Vcc Yir VT RC x In T V y CO IT IT For Vcc 10 V 1 fclock T69 RC NOTE A AGND must be biased to midsupply Figure 7 Self Clocking Through Schmitt Trigger Oscillator Single Supply Operation ki TEXAS INSTRUMENTS 10 POST OFFICE BOX 655303 DALLAS TEXAS 75265 TLC04 MF4A 50 TLC14 MF4A 100 BUTTERWORTH FOURTH ORDER LOW PASS SWITCHED CAPACITOR FILTERS SLAS021A NOVEMBER 1986 REVISED MARCH 1995 APPLICATION INFORMATION 5V o l Co TEE EE e oo 7 VCC 3 Ls Level Shift Ol il 1 CLKIN Clock Input l DO 2 CLKR l Nonverlapping Clock Generator 8 FILTER IN Butterworth Fourth Order 8 f AGND Low Pass Filter e 10 ko Vcc l ESEN 4 7T 0 1 uF E 5V o _e e Figure 8 DC Offset Adjustment ki TEXAS INSTRUMENTS POST OFFICE BOX 655303 DALLAS TEXAS 75265 11 IMPORTANT NOTICE Texas Instruments and its subsidiaries TI reserve the right to make changes to their products or to discontinue any product or service without notice and advise customers to obtain the latest version of relevant information to verify before placing orders that informati
3. Schmitt Trigger Oscillator Dual Supply Operation ki TEXAS INSTRUMENTS 8 POST OFFICE BOX 655303 DALLAS TEXAS 75265 TLC04 MF4A 50 TLC14 MF4A 100 BUTTERWORTH FOURTH ORDER LOW PASS SWITCHED CAPACITOR FILTERS SLAS021A NOVEMBER 1986 REVISED MARCH 1995 APPLICATION INFORMATION 10V e r AE EDE N oe NE RE TE EO Pe ie q VCC 3 LS a Level Shift TOV CMOS 1 CLKIN O CLKIN ov 2 CLKR See Note A 5V TTL Nonoverlapping CLKR 10 ko Clock Generator ov FILTER IN a 5 VOC see Note B 8 FILTER IN Butterworth 6 AGND Fourth Order 9 Low Pass Filter ri Vcc 0 1 uF oo ee AE EE 4 T 2 10ke 4 _ See Note C I NOTES A The external clock used must be of CMOS level because the clock is input to a CMOS Schmitt trigger B The filter input signal should be dc biased to midsupply or ac coupled to the terminal C AGND must be biased to midsupply Figure 6 External Clock Driven Single Supply Operation vy TEXAS INSTRUMENTS POST OFFICE BOX 655303 DALLAS TEXAS 75265 9 TLC04 MF4A 50 TLC14 MF4A 100 BUTTERWORTH FOURTH ORDER LOW PASS SWITCHED CAPACITOR FILTERS SLAS021A NOVEMBER 1986 REVISED MARCH 1995 APPLICATION INFORMATION 10V e r SS SS SS SS en lt VCC soi es o Level Shift l 1 CLKIN gt
4. 021A NOVEMBER 1986 REVISED MARCH 1995 absolute maximum ratings over operating free air temperature range unless otherwise noted t Supply voltage range Vcc see Note 1 ete 7V Operating free air temperature range Ta TLCO4C MF4A 50C TLC14C MF4A 100C 0 C to 70 C TLCO4I MF4A 501 TLC14I MF4A 1001 40 C to 85 C TLCO4M MF4A 50M TLC14M MF4A 100M 55 C to 125 C Storage temperature range Tstg esse see ke ee Re eee eee eee 65 C to 150 C Lead temperature 1 6 mm 1 16 inch from case for 10 seconds eee eee eee 260 C T 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 under recommended operating conditions is not implied Exposure to absolute maximum rated conditions for extended periods may affect device reliability NOTE 1 All voltage values are with respect to the AGND terminal recommended operating conditions Clock frequency folock see Note 2 Cutoff frequency fog see Note 3 Hz TLCO4C MF4A 50C TLC14C MF4A 100C 0 Operating free air temperature TA TLCO4I MF4A 501 TLC141 MF4A 1001 40 85 40 85 C TLCO4M MF4A 50M TLC 14M MF4A 100M 5 55 NOTES 2 Above 250 kHz the input clock duty cycle should be 50 to allow the operational amplifiers the maximum time to settle while p
5. MARCH 1995 operating characteristics over recommended operating free air temperature range Vcc 2 5 V Vcc 2 5 V unless otherwise noted TLCO4 MF4A 50 TLC14 MF4A 100 PARAMETER TEST CONDITIONS MIN ner MAX MIN ner MAX Clock to cutoff frequency ratio felock fco fclock 250 kHz Ta 25 C 49 27 50 07 50 87 Ce WAL Temperature coefficient of clock to cutoff C fco 5 kHz Ht 6kHz 79 7 57 74 7 5f 741 fclock 250 kHz Frequency response above and below Ta 25 C f 4 kHz 1 7 1 46 1 3 Loo cutoff frequency see Note 5 fco 5 kHz f 3 kHz Lo 7 9 742 71 clock 250 kHz EE EE EE Vonage amplicaton de goe 250 Ki RSEEm 015 0 o o o os T All typical values are at TA 25 C NOTES 2 Above 250 kHz the input clock duty cycle should be 50 to allow the operational amplifiers the maximum time to settle while processing analog samples 5 The frequency responses at f are referenced to a dc gain of 0 dB 6 The dynamic range is referenced to 1 06 V rms 1 5 V peak where the wideband noise over a 30 kHz bandwidth is typically 106 uV rms for the TLC04 MF4A 50 and 135 uV rms for the TLC14 MF4A 100 operating characteristics over recommended operating free air temperature range Vcc 5 V Vcc 5 V unless otherwise noted TLCO4 MF4A 50 TLC14 MF4A 100 PARAMETER TEST CONDITIONS MIN TYPt MAX MIN TYPt MAX Clock to cutoff frequency ratio felock fco falock 250 kHz Ta 25 C 49 58 49 98 50 38
6. R FILTERS SLAS021A NOVEMBER 1986 REVISED MARCH 1995 functional block diagram 3 Level Shift LS 1 CLKIN be CLKR 2 Nonoverlapping Clock Generator FILTER IN 8 Butterworth 5 6 Fourth Order FILTER OUT AGND Low Pass Filter Terminal Functions TERMINAL VO DESCRIPTION NAME NO AGND 6 ES Analog ground The noninverting input to the operational amplifiers of the Butterworth fourth order low pass filter CLKIN 1 Clock in CLKIN is the clock input terminal for CMOS compatible clock or self clocking options For either option LS is at Vcc For self clocking a resistor is connected between CLKIN and CLKR and a capacitor is connected from CLKIN to ground CLKR 2 Clock R CLKR is the clock input for a TTL compatible clock For a TTL clock LS is connected to midsupply and CLKIN can be left open but it is recommended that it be connected to either VOG or VCC FILTER IN 8 1 Filter input FILTER OUT 5 ol Butterworth fourth order low pass filter output 3 Level shift LS accommodates the various input clocking options For CMOS compatible clocks or self clocking LS is at Vcc and for TTL compatible clocks LS is at midsupply VCC 7 Hm Positive supply voltage terminal Voc 4 TE Negative supply voltage terminal ki TEXAS INSTRUMENTS 2 POST OFFICE BOX 655303 DALLAS TEXAS 75265 TLC04 MF4A 50 TLC14 MF4A 100 BUTTERWORTH FOURTH ORDER LOW PASS SWITCHED CAPACITOR FILTERS SLAS
7. TLC04 MF4A 50 TLC14 MF4A 100 BUTTERWORTH FOURTH ORDER LOW PASS SWITCHED CAPACITOR FILTERS SLAS021A NOVEMBER 1986 REVISED MARCH 1995 Low Clock to Cutoff Frequency Ratio Error D OR P PACKAGE TLCO4 MF4A 50 40 8 TOP VIEW TLC14 MF4A 100 1 e Filter Cutoff Frequency Dependent Only on a CLKR 2 zi V External Clock Frequency Stability LS a Aout e Minimum Filter Response Deviation Due to Vcc 4 5 FILTER OUT External Component Variations Over Time and Temperature e Cutoff Frequency Range From 0 1 Hz to 30 kHz Vcc 2 5 V e 5 V to 12 V Operation e Self Clocking or TTL Compatible and CMOS Compatible Clock Inputs Low Supply Voltage Sensitivity Designed to be Interchangeable With National MF4 50 and MF4 100 CLKIN 1 8 FILTER IN description The TLC04 MF4A 50 and TLC14 MF4A 100 are monolithic Butterworth low pass switched capacitor filters Each is designed as a low cost easy to use device providing accurate fourth order low pass filter functions in circuit design configurations Each filter features cutoff frequency stability that is dependent only on the external clock frequency stability The cutoff frequency is clock tunable and has a clock to cutoff frequency ratio of 50 1 with less than 0 8 error for the TLCO4 MF4A 50 and a clock to cutoff frequency ratio of 100 1 with less than 1 error for the TLC14 MF4A 100 The input clock features self clocking or TTL or CMOS compatible op
8. ae HzHz ESME do EEER fclock 250 kHz Frequency response above and below TA 25 C SA FA Te NEE cutoff frequency see Note 5 fco 5 kHz tsaka Po 79 7 42 TH felock 250 kHz Do Lo gs gee Siop band requency atentafon 2ko oo as aas ge Vonage amplicaton de eok seke Ascea 015 o 01S 015 o os ge f All typical values are at TA 25 C NOTES 2 Above 250 kHz the input clock duty cycle should be 50 to allow the operational amplifiers the maximum time to settle while processing analog samples 5 The frequency responses at f are referenced to a dc gain of 0 dB 6 Thedynamic range is referenced to 2 82 V rms 4 V peak where the wideband noise over a 30 kHz bandwidth is typically 142 uV rms for the TLC04 MF4A 50 and 178 uV rms for the TLC14 MF4A 100 wy TEXAS INSTRUMENTS POST OFFICE BOX 655303 DALLAS TEXAS 75265 5 TLC04 MF4A 50 TLC14 MF4A 100 BUTTERWORTH FOURTH ORDER LOW PASS SWITCHED CAPACITOR FILTERS SLAS021A NOVEMBER 1986 REVISED MARCH 1995 TYPICAL CHARACTERISTICS FILTER OUTPUT vs SUPPLY VOLTAGE Vcc RIPPLE FREQUENCY 0 Vcc 5 V 50 mV Sine Wave 0 to 40 kHz Vec 5V Filter in at 0 V felock 250 kHz 10 Filter Output dB l o o l D o 50 60 0 5 10 15 20 25 30 35 40 Supply Voltage Vcc Ripple Frequency kHz Figure 1 FILTER OUTPUT vs SUPPLY VOLTAGE Vcc RIPPLE FREQUENCY Vcc 5V VcCc
9. cal values are at TA EE NOTE 4 lOS source is measured by forcing the outputto its maximum positive voltage and then shorting the outputto the Vcc terminal l9S sink is measured by forcing the output to its maximum negative voltage and then shorting the output to the Voc terminal clocking section PARAMETER TEST CONDITIONS MIN ner MAX UNIT VCC 10V Vcc O 6 1 8 9 Voc 5V Vcoc 0 10V V 0 1 3 CLKIN VCC CC VCC 5V VOO 0 V 10V Vcc O 2 3 7 6 oye Hysteresis votage MEME Hysteresis voltage VIT4 VIT Lo co VCC 5V Vcc 0O 1 2 3 8 Voc 10V ee Vou Hehiselopavelage High Vou Hehiselopavelage output voltage 10 uA IVoc 5V IVoc 5V V Vr Postve gnginputtrestekvotane ire Postve gnginputtrestekvotane going input threshold voltage vir Neosivegcingnputivesholsvotage Negative going input vir Neosivegcingnputivesholsvotage voltage Vec TOV VOL Low level output voltage lo 10 pA i Vee 5V V Input leakage current CLKR Veo 10 LS at ee Vec 5V TA 25 C Vcc 10 V CLKR and CLKIN 7 s1 Vee 5V Vee 5V v shortened to Vcc 075 2 75 9 lo Output current Voo 10V GLKR and OLKIN IVcc 5V IVcc 5V V shortened to VCC 675 2 t All typical values are at TA 25 C wy TEXAS INSTRUMENTS 4 POST OFFICE BOX 655303 DALLAS TEXAS 75265 TLC04 MF4A 50 TLC14 MF4A 100 BUTTERWORTH FOURTH ORDER LOW PASS SWITCHED CAPACITOR FILTERS SLAS021A NOVEMBER 1986 REVISED
10. mask work right or other intellectual property right of TI covering or relating to any combination machine or process in which such semiconductor products or services might be or are used TI s publication of information regarding any third party s products or services does not constitute Tl s approval warranty or endorsement thereof Copyright 1998 Texas Instruments Incorporated
11. on being relied on is current and complete All products are sold subject to the terms and conditions of sale supplied at the time of order acknowledgement including those pertaining to warranty patent infringement and limitation of liability Tl warrants performance of its semiconductor products to the specifications applicable at the time of sale in accordance with Tl s standard warranty Testing and other quality control techniques are utilized to the extent TI deems necessary to support this warranty Specific testing of all parameters of each device is not necessarily performed except those mandated by government requirements CERTAIN APPLICATIONS USING SEMICONDUCTOR PRODUCTS MAY INVOLVE POTENTIAL RISKS OF DEATH PERSONAL INJURY OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE CRITICAL APPLICATIONS TI SEMICONDUCTOR PRODUCTS ARE NOT DESIGNED AUTHORIZED OR WARRANTED TO BE SUITABLE FOR USE IN LIFE SUPPORT DEVICES OR SYSTEMS OR OTHER CRITICAL APPLICATIONS INCLUSION OF TI PRODUCTS IN SUCH APPLICATIONS IS UNDERSTOOD TO BE FULLY AT THE CUSTOMER S RISK In order to minimize risks associated with the customer s applications adequate design and operating safeguards must be provided by the customer to minimize inherent or procedural hazards Tl assumes no liability for applications assistance or customer product design TI does not warrant or represent that any license either express or implied is granted under any patent right copyright
12. rocessing analog samples 3 The cutoff freguency is defined as the freguency where the response is 3 01 dB less than the dc gain of the filter Hz electrical characteristics over recommended operating free air temperature range Vcc 2 5 V Vcc 2 5 V fclock lt 250 kHz unless otherwise noted filter section PARAMETER Vom Peak output voltage EE Ri 10 ko VOM Short circuit output t all Ta 25 C See Note 4 os ort circuit output curren A 25 C ee Note Sink Icc Supply current felock 250 kHz 12 2 25 12 225 mA All typical values are at TA 25 C NOTE 4 lOS source is measured by forcing the output to its maximum positive voltage and then shorting the output to the VCc terminal IOS sink is measured by forcing the output to its maximum negative voltage and then shorting the output to the VCC4 terminal ki TEXAS INSTRUMENTS POST OFFICE BOX 655303 DALLAS TEXAS 75265 3 TLC04 MF4A 50 TLC14 MF4A 100 BUTTERWORTH FOURTH ORDER LOW PASS SWITCHED CAPACITOR FILTERS SLAS021A NOVEMBER 1986 REVISED MARCH 1995 electrical characteristics over recommended operating free air temperature range Vcc 5 V Vcc 5 V fclock lt 250 kHz unless otherwise noted filter section PARAMETER TEST TLCO4 MF4A 50 TLC14MF4A 100 Uur CONDITIONS MIN TYPt MAX MIN ma MAX Vom Peak output voltage OM RL 10 kQ Source TA 25 C A Short circuit output current Em See Note 4 T All typi
13. tions in conjunction with the level shift LS terminal The TLCO4C MF4A 50C and TLC14C MF4A 100C are characterized for operation from 0 C to 70 C The TLCO4I MF4A 501 and TLC14I MF4A 1001 are characterized for operation from 40 C to 85 C The TLCO4M MF4A 50M and TLC14M MF4A 100M are characterized over the full military temperature range of 55 C to 125 C AVAILABLE OPTIONS CLOCK TO CUTOFF FREQUENCY RATIO SMALL OUTLINE PLASTIC DIP D P 0 C to 70 C 50 1 TLCO4CD MF4A 50CD TLCO4CP MF4A 50CP e 100 1 TLC14CD MF4A 100CD TLC14CP MF4A 100CP are 50 1 TLCO4ID MF4A 50ID TLCO4IP MF4A 50IP o 100 1 TLC14ID MF4A 1001D TLC14IP MF4A 1001P f 50 1 TLCO4MP MF4A 50MP Fe ate 100 1 NN TLC14MP MF4A 100MP The D package is available taped and reeled Add the suffix R to the device type e g TLCO4CDR MF4A 50CDR Please be aware that an important notice concerning availability standard warranty and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet PRODUCTION DATA information is current as of publication date Copyright 1995 Texas Instruments Incorporated Products conform to specifications per the terms of Texas Instruments e sein ofall paras Production processing does not necessarily include vi TEXAS INSTRUMENTS POST OFFICE BOX 655303 9 DALLAS TEXAS 75265 1 TLC04 MF4A 50 TLC14 MF4A 100 BUTTERWORTH FOURTH ORDER LOW PASS SWITCHED CAPACITO

TEXAS INSTRUMENTS TLC04/MF4A-50 TLC14/MF4A-100 Manual

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