LTC6943 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
LTC6943
Linear Technology
'LTC6943' PDF : 16 Pages View PDF
LTC6943
TYPICAL APPLICATIO S
0.01% F/V Converter
10k
75k* GAIN TRIM
1µF
1k
–5V
LT1004-1.2C
1µF
1/4 LTC6943
11
12
10
FREQUENCY IN
0kHz TO 30kHz
14
1000pF**
3
15
5V
2–
7
6
LT1056
3+
4
–5V
0V TO 3V
OUTPUT
5V
* 1% FILM RESISTOR
–5V ** POLYPROPYLENE
6943 • TA15
Frequency-Controlled Gain Amplifier
11A 1/2 LTC6943A 12A
11B 1/2 LTC6943B 12B
GAIN CONTROL 14A
0kHz TO 10kHz =
GAIN 0 TO 1000
6A
10A
0.01µF
9A
7A
14B
1kHz
6B
10B
100pF
9B
7B
3 15
5V –5V
VIN
FOR DIFFERENTIAL INPUT, GROUND PIN 7A AND
USE PINS 11A AND 6A FOR INPUTS
GAIN = fIN • 0.01µF ; GAIN IS NEGATIVE AS SHOWN
1kHz • 100pF
FOR SINGLE-ENDED INPUT AND POSITIVE GAIN,
GROUND PIN 8A AND USE PIN 7A FOR INPUT
OPERATES THE LTC6943'S WITH ±5V SUPPLIES
5V
2– 7
LT1056
3+
4
–5V
0.01µF
6
VOUT
6943 • TA16
6943f
12
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