TLC04/MF4A-50, TLC14/MF4A-100 BUTTERWORTH FOURTH-ORDER LOW-PASS SWITCHED-CAPACITOR FILTERS SLAS021A - NOVEMBER 1986 - REVISED MARCH 1995 D D D D D D D D D OR P PACKAGE (TOP VIEW) Low Clock-to-Cutoff-Frequency Ratio Error TLC04/MF4A-50 . . . 0.8% TLC14/MF4A-100 . . . 1% Filter Cutoff Frequency Dependent Only on External-Clock Frequency Stability Minimum Filter Response Deviation Due to External Component Variations Over Time and Temperature Cutoff Frequency Range From 0.1 Hz to 30 kHz, VCC = 2.5 V 5-V to 12-V Operation 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 CLKR LS VCC - 1 8 2 7 3 6 4 5 FILTER IN VCC+ AGND FILTER OUT 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 TLC04/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 options in conjunction with the level shift (LS) terminal. The TLC04C/MF4A-50C and TLC14C/MF4A-100C are characterized for operation from 0C to 70C. The TLC04I/MF4A-50I and TLC14I/MF4A-100I are characterized for operation from - 40C to 85C. The TLC04M/MF4A-50M and TLC14M/MF4A-100M are characterized over the full military temperature range of - 55C to 125C. AVAILABLE OPTIONS PACKAGE TA CLOCK-TO-CUTOFF CLOCK TO CUTOFF FREQUENCY RATIO 0C to 70C 50:1 100:1 TLC04CD/MF4A-50CD TLC14CD/MF4A-100CD TLC04CP/MF4A-50CP TLC14CP/MF4A-100CP - 40C to 85C 50:1 100:1 TLC04ID/MF4A-50ID TLC14ID/MF4A-100ID TLC04IP/MF4A-50IP TLC14IP/MF4A-100IP - 55C to 125C 50:1 100:1 SMALL OUTLINE (D) PLASTIC DIP (P) TLC04MP/MF4A-50MP TLC14MP/MF4A-100MP The D package is available taped and reeled. Add the suffix R to the device type (e.g., TLC04CDR/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. Copyright 1995, Texas Instruments Incorporated PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 1 TLC04/MF4A-50, TLC14/MF4A-100 BUTTERWORTH FOURTH-ORDER LOW-PASS SWITCHED-CAPACITOR FILTERS SLAS021A - NOVEMBER 1986 - REVISED MARCH 1995 functional block diagram LS CLKIN CLKR Level Shift 3 1 2 Nonoverlapping Clock Generator 1 FILTER IN AGND 8 2 Butterworth Fourth-Order Low-Pass Filter 6 5 FILTER OUT Terminal Functions TERMINAL NAME NO. I/O DESCRIPTION AGND 6 I Analog ground. The noninverting input to the operational amplifiers of the Butterworth fourth-order low-pass filter. CLKIN 1 I 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 I 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 VCC+ or VCC - . FILTER IN 8 I Filter input FILTER OUT 5 O Butterworth fourth-order low-pass filter output LS 3 I 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+ VCC - 7 I Positive supply voltage terminal 4 I Negative supply voltage terminal 2 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 absolute maximum ratings over operating free-air temperature range (unless otherwise noted) Supply voltage range, VCC (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V Operating free-air temperature range, TA: TLC04C/MF4A-50C, TLC14C/MF4A-100C . . . . . . 0C to 70C TLC04I/MF4A-50I, TLC14I/MF4A-100I . . . . . . . . - 40C to 85C TLC04M/MF4A-50M, TLC14M/MF4A-100M . . . - 55C to 125C Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 65C to 150C Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260C 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 TLC04/MF4A-50 Positive supply voltage, VCC+ Negative supply voltage, VCC- MIN MAX 2.25 6 2.25 6 V - 2.25 -6 - 2.25 -6 V 2 Low-level input voltage, VIL V 5 5 5 0.8 1.5 x 106 2 x 106 0.1 40 x 103 0.05 20 x 103 0 70 0 70 TLC04I/MF4A-50I, TLC14I/MF4A-100I - 40 85 - 40 85 TLC04M/MF4A-50M, TLC14M/MF4A-100M - 55 125 - 55 125 5 TLC04C/MF4A-50C, TLC14C/MF4A-100C Operating free-air temperature, TA 2 0.8 1.5 x 106 2 x 106 VCC = 2.5 V VCC = 5 V Cutoff frequency, fco (see Note 3) UNIT MAX High-level input voltage, VIH frequency fclock Clock frequency, l k (see Note 2) TLC14/MF4A-100 MIN V Hz Hz 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. 3. The cutoff frequency is defined as the frequency where the response is 3.01 dB less than the dc gain of the filter. electrical characteristics over recommended operating free-air temperature range, VCC+ = 2.5 V, VCC- = -2.5 V, fclock 250 kHz (unless otherwise noted) filter section TLC04/MF4A-50 PARAMETER VOO TEST CONDITIONS MIN TYP Output offset voltage VOM Peak output voltage IOS Short circuit output current Short-circuit MAX TLC14/MF4A-100 MIN 25 VOM+ VOM - Source Sink RL = 10 k TA = 25C, 25C TYP 50 1.8 2 1.8 2 - 1.25 - 1.7 - 1.25 - 1.7 See Note 4 - 0.5 - 0.5 4 4 MAX UNIT mV V mA ICC Supply current fclock = 250 kHz 1.2 2.25 1.2 2.25 mA All typical values are at TA = 25C. NOTE 4: IOS(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 VCC+ terminal. 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 250 kHz (unless otherwise noted) filter section VOO TLC04/MF4A-50 TYP MAX TEST CONDITIONS PARAMETER MIN Output offset voltage VOM Peak output voltage IOS Short circuit output current Short-circuit TLC14/MF4A-100 TYP MAX UNIT 200 mV MIN 150 VOM+ VOM - Source Sink RL = 10 k 3.75 4.3 3.75 4.5 - 3.75 - 4.1 - 3.75 - 4.1 TA = 25C,, See Note 4 -2 -2 5 5 V mA ICC Supply current fclock = 250 kHz 1.8 3 1.8 3 mA kSVS Supply voltage sensitivity (see Figures 1 and 2) - 30 - 30 dB All typical values are at TA = 25C. NOTE 4: IOS(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 VCC+ terminal. clocking section PARAMETER MIN TYP MAX VCC+ = 10 V, VCC - = 0 VCC+ = 5 V, VCC - = 0 VCC+ = 10 V, VCC - = 0 6.1 7 8.9 3.1 3.5 4.4 1.3 3 3.8 VCC+ = 5 V, VCC - = 0 VCC+ = 10 V, VCC - = 0 VCC+ = 5 V, VCC - = 0 0.6 1.5 1.9 2.3 4 7.6 1.2 2 3.8 TEST CONDITIONS VIT IT+ Positive going input threshold voltage Positive-going VIT - Negative going input threshold voltage Negative-going Vh hys Hysteresis voltage (VIT IT+ - VIT- IT ) VOH High level output voltage High-level VCC = 10 V VCC = 5 V IO = - 10 A VOL Low level output voltage Low-level VCC = 10 V VCC = 5 V IO = 10 A VCC = 10 V VCC = 5 V LS at midsupply, y, TA = 25C VCC = 10 V VCC = 5 V CLKR and CLKIN shortened to VCC - -3 -7 - 0.75 -2 VCC = 10 V VCC = 5 V CLKR and CLKIN shortened to VCC+ 3 7 0.75 2 Input leakage current IO CLKIN CLKR Output current All typical values are at TA = 25C. 4 POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 9 UNIT V V V V 4.5 1 0.5 2 2 V A mA mA TLC04/MF4A-50, TLC14/MF4A-100 BUTTERWORTH FOURTH-ORDER LOW-PASS SWITCHED-CAPACITOR FILTERS SLAS021A - NOVEMBER 1986 - REVISED MARCH 1995 operating characteristics over recommended operating free-air temperature range, VCC+ = 2.5 V, VCC- = -2.5 V (unless otherwise noted) TLC04/MF4A-50 PARAMETER TEST CONDITIONS Maximum clock frequency, fmax See Note 2 Clock-to-cutoff-frequency ratio (fclock/fco) fclock 250 kHz, Temperature coefficient of clock-to-cutoff frequency ratio fclock 250 kHz Frequency q y response above and below cutoff frequency (see Note 5) Dynamic range (see Note 6) Stop-band frequency attentuation at 2 fco Voltage amplification, dc TA = 25C MIN TYP 1.5 3 49.27 50.07 MAX 50.87 TLC14/MF4A-100 MIN TYP 1.5 3 99 100 25 MAX MHz 101 25 Hz/Hz ppm/C fco = 5 kHz, fclock kHz l k = 250 kHz, TA = 25C f = 6 kHz - 7.9 - 7.57 - 7.1 f = 4.5 kHz - 1.7 - 1.46 - 1.3 fco = 5 kHz, fclock kHz l k = 250 kHz, TA = 25C f = 3 kHz - 7.9 - 7.42 - 7.1 f = 2.25 kHz - 1.7 -1.51 - 1.3 dB dB TA = 25C fclock 250 kHz fclock 250 kHz, TA = 25C UNIT 80 RS 2 k 24 25 - 0.15 0 78 0.15 24 25 - 0.15 0 dB dB 0.15 dB Peak-to-peak clock feedthrough voltage 5 5 mV All typical values are at TA = 25C. 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 V rms for the TLC04/MF4A-50 and 135 V rms for the TLC14/MF4A-100. operating characteristics over recommended operating free-air temperature range, VCC+ = 5 V, VCC- = -5 V (unless otherwise noted) TLC04/MF4A-50 PARAMETER TEST CONDITIONS Maximum clock frequency, fmax See Note 2 Clock-to-cutoff-frequency ratio (fclock/fco) fclock 250 kHz, Temperature coefficient of clock-to-cutoff frequency ratio fclock 250 kHz Frequency q y response above and below cutoff frequency (see Note 5) Dynamic range (see Note 6) Stop-band frequency attentuation at 2 fco Voltage amplification, dc TA = 25C MIN TYP 2 4 49.58 49.98 TLC14/MF4A-100 TYP MAX MIN 2 4 50.38 99 100 15 MAX MHz 101 15 Hz/Hz ppm/C fco = 5 kHz, fclock kHz l k = 250 kHz, TA = 25C f = 6 kHz - 7.9 - 7.57 - 7.1 f = 4.5 kHz - 1.7 - 1.44 - 1.3 fco = 5 kHz, fclock kHz l k = 250 kHz, TA = 25C TA = 25C f = 3 kHz - 7.9 - 7.42 - 7.1 f = 2.25 kHz - 1.7 -1.51 - 1.3 fclock 250 kHz fclock 250 kHz, UNIT dB dB 86 RS 2 k 24 25 - 0.15 0 0.15 84 dB 24 25 dB - 0.15 0 0.15 dB Peak-to-peak clock feedthrough voltage TA = 25C 7 7 mV All typical values are at TA = 25C. 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 2.82 V rms (4 V peak) where the wideband noise over a 30-kHz bandwidth is typically 142 V rms for the TLC04/MF4A-50 and 178 V rms for the TLC14/MF4A-100. 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) VCC - = - 5 V Filter in at 0 V fclock = 250 kHz Filter Output - dB - 10 - 20 - 30 - 40 - 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 0 VCC+ = 5 V VCC - = - 5 V + 50-mV Sine Wave (0 to 40 kHz) Filter in at 0 V fclock = 250 kHz Filter Output - dB - 10 - 20 - 30 - 40 - 50 - 60 0 5 10 15 20 25 30 35 Supply Voltage VCC - Ripple Frequency - kHz Figure 2 6 POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 40 TLC04/MF4A-50, TLC14/MF4A-100 BUTTERWORTH FOURTH-ORDER LOW-PASS SWITCHED-CAPACITOR FILTERS SLAS021A - NOVEMBER 1986 - REVISED MARCH 1995 APPLICATION INFORMATION 5V 7 VCC+ CMOS CLKIN 5V -5 V 3 LS 1 CLKIN 2 CLKR Level Shift Nonoverlapping Clock Generator 1 8 FILTER IN 6 AGND 2 Butterworth Fourth-Order Low-Pass Filter 5 FILTER OUT VCC - 4 -5 V Figure 3. CMOS-Clock-Driven Dual-Supply Operation 5V 7 VCC+ TTL CLKR -5 V 3 LS 1 CLKIN 2 CLKR Level Shift 0V Nonoverlapping Clock Generator 1 8 FILTER IN 6 AGND 2 Butterworth Fourth-Order Low-Pass Filter 5 FILTER OUT VCC - 4 -5 V Figure 4. TTL-Clock-Driven Dual-Supply Operation POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 7 TLC04/MF4A-50, TLC14/MF4A-100 BUTTERWORTH FOURTH-ORDER LOW-PASS SWITCHED-CAPACITOR FILTERS SLAS021A - NOVEMBER 1986 - REVISED MARCH 1995 APPLICATION INFORMATION 5V 7 VCC+ R 3 LS 1 CLKIN 2 CLKR Level Shift C Nonoverlapping Clock Generator 1 Filter Input 8 FILTER IN 6 AGND 2 Butterworth Fourth-Order Low-Pass Filter FILTER OUT 5 Filter Output VCC - 4 -5 V f clock + 1 V RC In V -V CC IT- -V CC IT ) V ) IT V IT- For VCC = 10 V fclock = 1 1.69 RC Figure 5. Self-Clocking Through Schmitt-Trigger Oscillator Dual-Supply Operation 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 10 V 7 VCC+ 3 LS 1 CLKIN 2 CLKR Level Shift 10 V CMOS CLKIN See Note A 0V -5 V TTL CLKR Nonoverlapping Clock Generator 10 k 0V FILTER IN (see Note B) 1 5 VOC 8 FILTER IN 6 AGND 2 Butterworth Fourth-Order Low-Pass Filter FILTER OUT 5 VCC - 0.1 F 4 10 k See Note C 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 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 10 V 7 VCC+ R 3 LS 1 CLKIN 2 CLKR Level Shift Nonoverlapping Clock Generator C 1 10 k 8 FILTER IN 6 AGND Butterworth Fourth-Order Low-Pass Filter 2 FILTER OUT VCC - 4 10 k 0.1 F See Note A f clock + 1 V RC In V -V CC IT- -V CC IT ) V ) IT V IT- For VCC = 10 V fclock = 1 1.69 RC NOTE A: AGND must be biased to midsupply. Figure 7. Self Clocking Through Schmitt-Trigger Oscillator Single-Supply Operation 10 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 APPLICATION INFORMATION 5V 7 VCC+ Clock Input 3 LS 1 CLKIN 2 CLKR Level Shift Nonverlapping Clock Generator 1 8 FILTER IN 6 AGND 10 k Butterworth Fourth-Order Low-Pass Filter 2 FILTER OUT 5 VCC - 0.1 F 4 -5 V Figure 8. DC Offset Adjustment POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 11 PACKAGE MATERIALS INFORMATION www.ti.com 11-Mar-2008 TAPE AND REEL INFORMATION *All dimensions are nominal Device Package Package Pins Type Drawing SPQ Reel Reel Diameter Width (mm) W1 (mm) A0 (mm) B0 (mm) K0 (mm) P1 (mm) W Pin1 (mm) Quadrant TLC04IDR SOIC D 8 2500 330.0 12.4 6.4 5.2 2.1 8.0 12.0 Q1 TLC14CDR SOIC D 8 2500 330.0 12.4 6.4 5.2 2.1 8.0 12.0 Q1 Pack Materials-Page 1 PACKAGE MATERIALS INFORMATION www.ti.com 11-Mar-2008 *All dimensions are nominal Device Package Type Package Drawing Pins SPQ Length (mm) Width (mm) Height (mm) TLC04IDR SOIC D 8 2500 346.0 346.0 29.0 TLC14CDR SOIC D 8 2500 346.0 346.0 29.0 Pack Materials-Page 2 IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. 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