Current Sense Amplifiers | NCS7031

80 V common-mode, Current Sense Amplifiers

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Overview

The NCS(V)7030 and NCS(V)7031 are high voltage, current sense amplifiers. They are available with gain options of 14 V/V and 20 V/V, with a maximum ±0.3 % gain error over the entire temperature range. Each part consists of a preamplifier and buffer with access to output and input via A1 and A2 pins for an intermediate filter network or modified gain. The current sense amplifiers offer excellent input common−mode rejection from −6 V to 80 V. They can perform unidirectional current measurements across a sense resistor in a variety of applications. Automotive qualified options are available under NCV prefix. All versions are specified over the extended operating temperature range from −40°C to 150°C.

Similar Products:

 NCS7030NCS7031NCS7041
CurrentUnidirectionalUnidirectionalBi-directional
Reference InputNoNoYes
Gain (V/V)142014,20,50,100

  • Telecom Equipment
  • Power Supply Designs
  • Diesel Injection Control

  • Automotive
  • Motor Control

  • Bandwidth: 100 kHz
  • Input Offset Voltage: ±300 µV Max Over Temp
  • Common−Mode Input Voltage Range: −6 V to 80 V Operating, −14 V to 85 V Survival
  • Gain Error: ±0.3 % Max Over Temp
  • Low−Pass Filter (1−pole or 2−pole)
  • Offset Drift over Temperature: ±3 V/°C max
  • Quiescent Current: 1.5 mA Typ
  • Supply Voltage: 3 V to 5.5 V
  • CMRR: 85 dB Min
  • PSRR: 75 dB Min

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NCS7031D1G020R2G

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CAD Model

Pb

A

H

P

SOIC-8

751-07

1

260

REEL

2500

F

1

20

±0.3

4.5

5.5

-5 to 80

3

0.1

0.3

3

-40 to 125

90

$0.8053

More Details

NCS7031DM1G020R2G

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Active

CAD Model

Pb

A

H

P

Micro8

846A-02

1

260

REEL

4000

F

1

20

0.3

4.5

5.5

80

3

0.1

0.3

3

-40 to 125

90

$0.744

More Details

NCV7031D1G020R2G

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Active

CAD Model

Pb

A

H

P

SOIC-8

751-07

1

260

REEL

2500

F

1

20

0.3

4.5

5.5

80

3

0.1

0.3

3

-40 to 125

90

$0.6933

More Details

NCV7031DM1G020R2G

Loading...

Active

CAD Model

Pb

A

H

P

Micro8

846A-02

1

260

REEL

4000

F

1

20

0.3

4.5

5.5

80

3

0.1

0.3

3

-40 to 125

90

$1.215

More Details

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