Datasheet LT1002 (Analog Devices) - 12

LT1002
U U W U APPLICATIONS INFORMATION Two Op Amp Instrumentation Amplifier
R5 2.2k† R1 R2 R4 100k* 10k 100k R3 – 10k 1/2 – LT1002 – + 1/2 OUTPUT LT1002 + INPUTS + 1002 TA10 * TRIM FOR COMMON-MODE REJECTION † TRIM FOR GAIN R4 1 R2 R3 R2 + R3 GAIN = 1 + + + ≈ 100 ( ) R3 2 R1 R4 R5
Precision Amplifier Drives 500
Ω
Load to
±
10V
1.1Rf + 0.1RS 110k 15V RS 100Ω – B 1/2 LT1002 + 0.2RL 100Ω –15V Rf 100k R 15V S 100Ω – A OUTPUT 1/2 LT1002 + RL 500Ω –15V INPUT 1002 TA11 This application utilizes the guaranteed 10mA load driving removed, amplifier A sinks this current without affecting capability of the LT1002. The offset voltage of amplifier A accuracy. In the gain of 1000 configuration shown, ap- is the offset of the configuration. Amplifier B provides the proximately 0.3% gain accuracy can be realized. additional 10mA load current. When load resistor RL is 1002fb 12