Datasheet LTC1043 (Analog Devices) - 14
| Manufacturer | Analog Devices |
| Description | Dual Precision Instrumentation Switched-Capacitor Building Block |
| Pages / Page | 16 / 14 — TYPICAL APPLICATIO S. Frequency-Controlled Gain Amplifier. Relative … |
| File Format / Size | PDF / 241 Kb |
| Document Language | English |
TYPICAL APPLICATIO S. Frequency-Controlled Gain Amplifier. Relative Humidity Sensor Signal Conditioner
Model Line for this Datasheet
Text Version of Document
LTC1043
U TYPICAL APPLICATIO S Frequency-Controlled Gain Amplifier
1/2 LTC1043A 1/2 LTC1043B 13A 14A 13B 14B 12A 12B 16A 16B GAIN CONTROL 0.01µF 100pF 0kHz TO 10kHz = GAIN 0 TO 1000 11A 11B 7A 8A 7B 8B VIN 5V 0.01µF 2 7 – 6 LT1056 VOUT 3 + 4 FOR DIFFERENTIAL INPUT, GROUND PIN 8A AND USE PINS 13A AND 7A FOR INPUTS –5V fIN • 0.01µF GAIN = ; GAIN IS NEGATIVE AS SHOWN 1kHz • 100pF FOR SINGLE-ENDED INPUT AND POSITIVE GAIN, GROUND PIN 8A AND USE PIN 7A FOR INPUT USE ± 5V SUPPLIES FOR LTC1043 LTC1043 • A20
Relative Humidity Sensor Signal Conditioner
0.01µF 1/4 LTC1043 8 7 16 –5V 11 17 470k 100pF 1k* 5V 1/4 LTC1043 500 2 7 90% 13 14 – 6 10k RH TRIM 3 LT1056 + 3 6 + OUTPUT LM301A 12 4 0V TO 1V = 0% TO 100% 2 8 – –5V 1µF 1µF 1 LT1004 SENSOR 22M 9k* 1.2V 100pF 10k 5% RH TRIM 33k * = 1% FILM RESISTOR SENSOR = PANAMETRICS # RHS 1k* ≈ 500pF AT RH = 76% 1.7 pF/%RH LTC1043 • A21 1043fa 14
U TYPICAL APPLICATIO S Frequency-Controlled Gain Amplifier
1/2 LTC1043A 1/2 LTC1043B 13A 14A 13B 14B 12A 12B 16A 16B GAIN CONTROL 0.01µF 100pF 0kHz TO 10kHz = GAIN 0 TO 1000 11A 11B 7A 8A 7B 8B VIN 5V 0.01µF 2 7 – 6 LT1056 VOUT 3 + 4 FOR DIFFERENTIAL INPUT, GROUND PIN 8A AND USE PINS 13A AND 7A FOR INPUTS –5V fIN • 0.01µF GAIN = ; GAIN IS NEGATIVE AS SHOWN 1kHz • 100pF FOR SINGLE-ENDED INPUT AND POSITIVE GAIN, GROUND PIN 8A AND USE PIN 7A FOR INPUT USE ± 5V SUPPLIES FOR LTC1043 LTC1043 • A20
Relative Humidity Sensor Signal Conditioner
0.01µF 1/4 LTC1043 8 7 16 –5V 11 17 470k 100pF 1k* 5V 1/4 LTC1043 500 2 7 90% 13 14 – 6 10k RH TRIM 3 LT1056 + 3 6 + OUTPUT LM301A 12 4 0V TO 1V = 0% TO 100% 2 8 – –5V 1µF 1µF 1 LT1004 SENSOR 22M 9k* 1.2V 100pF 10k 5% RH TRIM 33k * = 1% FILM RESISTOR SENSOR = PANAMETRICS # RHS 1k* ≈ 500pF AT RH = 76% 1.7 pF/%RH LTC1043 • A21 1043fa 14
