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LT1101_1 Datasheet, PDF (14/16 Pages) Linear Integrated Systems – Precision, Micropower, Single Supply Instrumentation Amplifier (Fixed Gain = 10 or 100)
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LT1101
APPLICATIO S I FOR ATIO
Differential Voltage Amplification from a Resistance Bridge
V+
TRANSDUCER
OR SENSOR
R
R
RESISTANCE
BRIDGE
R
R
SHIELD
6+
5
LT1101
8
G = 100
OUT
3–
4
1
MINIMUM VOLTAGE ACROSS BRIDGE = 20mV
MINIMUM SUPPLY VOLTAGE = 1.8V
LT1101 • AI07
Gain = 20, 110 or 200 Instrumentation Amplifier
Differential Output
Single Ended Output
6+
+
IN
LT1101 8
3–
1
–
+
+
6+
LT1101
3–
1
8 OUT
6+
LT1101
3–
1
OUT
–
8
IN
–
6+
LT1101 8
3–
1
GAIN = 200, AS SHOWN
GAIN = 20, SHORT PIN 1 TO PIN 2, PIN 7 TO PIN 8
ON BOTH DEVICES
GAIN = 110, SHORT PIN 1 TO PIN 2, PIN 7 TO PIN 8
ON ONE DEVICE, NOT ON THE OTHER
INPUT REFERRED NOISE IS REDUCED BY √2 (G = 200 OR 20)
LT1101 • AI08
1101fa
14
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