LT1102 查看數據表（PDF） - Linear Technology

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LT1102

High Speed, Precision, JFET Input Instrumentation Amplifier (Fixed Gain = 10 or 100)

Linear Technology 

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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