LT6370 datasheet(16/28 Pages) AD

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LT6370

Rev. 0

For more information www.analog.com

APPLICATIONS INFORMATION

+–

LT6370

6370 F01a

V–

–15V

+15V

V+

REF

OUT

VD/2

VCM

LT6370

G = 1

VS = ±15V

VREF = 0V

OUTPUT VOLTAGE (V)

–15

–10

–5

–15

–10

–5

6370 F01b

+–

LT6370

6370 F01c

V–

–15V

+15V

V+

REF

OUT

243

LT6370

VD/2

VCM

+–

LT6370

6370 F01e

V–

–5V

+5V

V+

REF

OUT

VD/2

VCM

LT6370

G = 100

VS = ±15V

VREF = 0V

OUTPUT VOLTAGE (V)

–15

–10

–5

–15

–10

–5

6370 F01d

G = 1

VS = ±5V

VREF = 0V

OUTPUT VOLTAGE (V)

–5 –4 –3 –2 –1 0

–5

–4

–3

–2

–1

6370 F01f

Valid Input and Output Range

Instrumentation amplifiers traditionally specify a valid

input common mode range and an output swing range.

This however often fails to identify limitations associated

with internal swing limits. Referring to the Simplified

Block Diagram, the output swing of pre-amplifiers A1

and A2 as well as the common-mode input range of the

difference amplifier A3 impose limitations on the valid

operating range. The following graphs show the operating

region where a valid output is produced.

Figure 1. Input Common Mode Range vs Output Voltage

LT6370 Datasheet(PDF) 16 Page - Analog Devices

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