Datasheet LT1462, LT1463 (Analog Devices) - 8
| Manufacturer | Analog Devices |
| Description | Dual/Quad Micropower, 260µW C-Load Picoampere Bias Current JFET Input Op Amps |
| Pages / Page | 12 / 8 — TYPICAL APPLICATIONS. 10Hz 4th Order Chebyshev Lowpass Filter (0.01dB … |
| File Format / Size | PDF / 288 Kb |
| Document Language | English |
TYPICAL APPLICATIONS. 10Hz 4th Order Chebyshev Lowpass Filter (0.01dB Ripple)
Model Line for this Datasheet
Text Version of Document
LT1462/LT1463
U TYPICAL APPLICATIONS 10Hz 4th Order Chebyshev Lowpass Filter (0.01dB Ripple)
R2 237k R5 C1 154k 33nF C3 10nF 15V R1 R3 237k 249k 2 – 4 R4 R6 VIN 154k 249k 1 13 – C2 1/4 LT1463 + 100nF 3 14 1/4 LT1463 VOUT C4 11 + 330nF 12 LT1462 • TA05 –15V TYPICAL OFFSET ≈ 0.6mV 1% TOLERANCES FOR VIN = 10VP-P,V OUT = –110dB AT f > 300Hz V OUT = –6dB AT f = 16Hz THE LOW INPUT BIAS CURRENTS ALLOW THE USE OF HIGH RESISTOR VALUES
Micropower 0.026% Frequency-to-Voltage Converter
R2 10k GAIN TRIM 75k* C2 1µF R1 5V 1/4 LTC®1043 1k VREF = –1.235V 2 –5V 13 14 – 8 C1 1 0V TO 3V LT1004-1.2 1/2 LT1462 1µF OUTPUT 3 12 4 + 5V 4 CS 1000pF –5V fIN = FREQUENCY IN 16 17 –5V 0kHz TO 30kHz V OUT = (R2)(CS)(VREF)(fIN) TRW#MTR-5/120ppm * LT1462 • TA04 8
U TYPICAL APPLICATIONS 10Hz 4th Order Chebyshev Lowpass Filter (0.01dB Ripple)
R2 237k R5 C1 154k 33nF C3 10nF 15V R1 R3 237k 249k 2 – 4 R4 R6 VIN 154k 249k 1 13 – C2 1/4 LT1463 + 100nF 3 14 1/4 LT1463 VOUT C4 11 + 330nF 12 LT1462 • TA05 –15V TYPICAL OFFSET ≈ 0.6mV 1% TOLERANCES FOR VIN = 10VP-P,V OUT = –110dB AT f > 300Hz V OUT = –6dB AT f = 16Hz THE LOW INPUT BIAS CURRENTS ALLOW THE USE OF HIGH RESISTOR VALUES
Micropower 0.026% Frequency-to-Voltage Converter
R2 10k GAIN TRIM 75k* C2 1µF R1 5V 1/4 LTC®1043 1k VREF = –1.235V 2 –5V 13 14 – 8 C1 1 0V TO 3V LT1004-1.2 1/2 LT1462 1µF OUTPUT 3 12 4 + 5V 4 CS 1000pF –5V fIN = FREQUENCY IN 16 17 –5V 0kHz TO 30kHz V OUT = (R2)(CS)(VREF)(fIN) TRW#MTR-5/120ppm * LT1462 • TA04 8
