AMP01NBS 查看數據表（PDF） - Analog Devices

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AMP01NBS

Low Noise, Precision Instrumentation Amplifier

Analog Devices 

AMP01

+IN

VIN

–IN

+15V

18

1

RG

12

V+

RG

AMP01

2k⍀

2

RG

3

RS

14

RS

15

V–

11

RS

2k⍀

–15V

0.047␮F

ROUT

TRIM

13 SENSE

R2

7

200⍀

9

8

10 REFERENCE

0.047␮F

COMPLIANCE, TYPICALLY ؎10V

LINEARITY ~0.01%

OUTPUT RESISTANCE AT 20mA ~5M⍀

POWER BANDWIDTH (–3dB) ~60kHz

INTO 500⍀ LOAD

R1

100⍀

؎IOUT

( ) IOUT = VIN

20 ؋ RS

RG ؋ R1

R1 = 100⍀ FOR IOUT = ؎20mA

VIN = ؎100mV FOR ؎20mA FULL SCALE

Figure 36. High Compliance Bipolar Current Source with 13-Bit Linearity

ALL RESISTORS 1% METAL FILM

RS

2k⍀

14

18 RS

15

+IN

RS

12

V+

1

RG

RG

2.75k⍀

AMP01

2 RG

V–

11

–IN

3

0V

0.047␮F

0.047␮F

13

7

R3

100⍀

9

R2

200⍀

ROUT TRIM

8

R5

10

2.21k⍀

R4

100⍀

R6

500⍀

ZERO TRIM

2

4

REF-02

6

R1

100⍀

+15V

TO +30V

IOUT

4mA TO 20mA

–5V

COMPLIANCE OF IOUT, +20V WITH +30V SUPPLY (OUTPUT w.r.t. 0V)

DIFFERENTIAL INPUT OF 100mV FOR 16mA SPAN

OUTPUT RESISTANCE ~5M⍀ AT IOUT = 20mA

LINEARITY 0.01% OF SPAN

Figure 37. 13-Bit Linear 4–20 mA Transmitter Constructed by Adding a Voltage Reference.

Thermocouple Signals Can Be Accepted Without Preamplification.

–16–

REV. D

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