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LT1102_07 Datasheet, PDF (9/12 Pages) Linear Technology – High Speed, Precision, JFET Input Instrumentation Amplifier (Fixed Gain = 10 or 100)
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APPLICATIO S I FOR ATIO
LT1102
Gain = 20, 110, or 200 Instrumentation Amplifiers
Differential Output
Single Ended Output
6+
+
IN
LT1102
8
3–
1
–
+
+
6+
LT1102
3–
1
8 OUT
OUT
IN
–
–
6+
LT1102
8
3–
1
6+
LT1102
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)
LT1102 • AI02
Multiplexed Input Data Acquisition
4 CHANNELS
OF
DIFFERENTIAL
INPUT
509 OR
EQUIVALENT
S1A
DA +
S4A
LT1102
S1B
DB –
S4B
DECODER
AO A1 EN
800kHz SIGNALS CAN BE MULTIPLEXED WITH LT1102 IN G = 10
OUTPUT
LT1102 • AI03
Voltage Programmable Current Source is Simple and Precise
Dynamic Response of the Current Source
VIN
0 ±10V
+
LT1006
–
0.05μF
A = 5V/DIV
B = 5mA/DIV
10k
LT1102
A = 100
R
10Ω*
IK
LOAD
IK
=
R
VIN
• 100
LT1102 • AI04
HORIZ. = 20μs/DIV
FPOLT1102 • AI05
1102fb
9
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