LTC1043CN View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC1043CN' PDF : 16 Pages View PDF
LTC1043
TYPICAL APPLICATIO S
Frequency-Controlled Gain Amplifier
13A 1/2 LTC1043A 14A
13B 1/2 LTC1043B 14B
16A
GAIN CONTROL
0kHz TO 10kHz = GAIN 0 TO 1000
7A
12A
0.01µF
11A
8A
16B
12B
100pF
11B
7B
8B
VIN
5V
2– 7
FOR DIFFERENTIAL INPUT, GROUND PIN 8A AND USE PINS 13A AND 7A FOR INPUTS
GAIN = fIN • 0.01µF ; GAIN IS NEGATIVE AS SHOWN
1kHz • 100pF
LT1056
3+
4
–5V
FOR SINGLE-ENDED INPUT AND POSITIVE GAIN, GROUND PIN 8A AND USE PIN 7A FOR INPUT
USE ± 5V SUPPLIES FOR LTC1043
0.01µF
6
VOUT
LTC1043 • A20
Relative Humidity Sensor Signal Conditioner
0.01µF
1/4 LTC1043
8
7
– 5V
470k
1k*
500
90%
RH TRIM
1/4 LTC1043
13
14
12
1µF
1µF
16
11
17
100pF
5V
2– 7
6
LT1056
3+
4
– 5V
10k
3+
6
LM301A
2–
8
OUTPUT
0V TO 1V = 0% TO 100%
1
LT1004
1.2V
SENSOR
22M
10k
5% RH TRIM
33k
9k*
100pF
* = 1% FILM RESISTOR
SENSOR = PANAMETRICS # RHS
1k*
≈ 500pF AT RH = 76%
1.7 pF/%RH
LTC1043 • A21
14
1043fa
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