Specific Function Optocouplers | FOD7840

±2 V, Fully Differential Optical Coupled Isolation Amplifier

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Overview

The FOD7840x is a family of optically-coupled isolation amplifiers. Each device consists of a gallium aluminum arsenide (GaAlAs) light emitting diode and a highly accurate sigma-delta A/D converter on the input side and a precise D/A converter with differential output on the output side. This optocoupler is used for current sensing in motor drives or general-purpose current sensing and monitoring. This family offers various gain tolerances: FOD7840A (±1% gain tolerance) and the FOD7840B (±3% gain tolerance) and FOD7840 (±5% gain tolerance).

  • Current Sensing and Monitoring
  • Analog Signal Isolation
  • Motor Phase and Rail Current Sensing
  • Switched Mode Power Supply Signal Isolation
  • Motor drives
  • Frequency inverters
  • High-voltage switched mode power supplies
  • Advanced Sigma-Delta A/D Converter Technology
  • Fully Differential Circuit Topology
  • 100 kHz Bandwidth
  • Low gain drift over temperature
  • Low non-linearity
  • 15 kV/µs minimum CMTI
  • UL 1577 and IEC 60747-5-5 certification pending

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Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

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ON Target

VCC (Max) (V)

VCC (Min) (V)

VOL (Max) (V)

ICCL (Max) (mA)

II (ON) RMS (Min) (mA)

II (OFF) RMS (Max) (mA)

ITH+ (Max) (mA)

ITH- (Max) (mA)

Breakdown Voltage (Min) (V)

Off State Dark Current (Max) (nA)

RON (Max) (Ω)

tPHL, ton (Max) (µs)

tPLH, toff (Max) (µs)

VISO (Min) (V)

TOPR (Min) (°C)

TOPR (Max) (°C)

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FOD7840

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Pb

A

H

P

PDIP-8

646CQ

1

260

TUBE

50

No

5.5

4.5

~NA~

12.7

0.005

~NA~

~NA~

~NA~

-2

~NA~

~NA~

5.6

5.6

5000

-40

85

Price N/A

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FOD7840A

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Pb

A

H

P

PDIP-8

646CQ

1

260

TUBE

50

No

5.5

4.5

~NA~

12.7

0.005

~NA~

~NA~

~NA~

-2

~NA~

~NA~

5.6

5.6

5000

-40

85

Price N/A

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FOD7840ASD

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Pb

A

H

P

PDIP-8 GW

1

260

REEL

1000

No

5.5

4.5

~NA~

12.7

0.005

~NA~

~NA~

~NA~

-2

~NA~

~NA~

5.6

5.6

5000

-40

85

Price N/A

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FOD7840ASDV

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Pb

A

H

P

PDIP-8 GW

1

260

REEL

1000

No

5.5

4.5

~NA~

12.7

0.005

~NA~

~NA~

~NA~

-2

~NA~

~NA~

5.6

5.6

5000

-40

85

Price N/A

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FOD7840ASV

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CAD Model

Pb

A

H

P

PDIP-8 GW

1

260

TUBE

50

No

5.5

4.5

~NA~

12.7

0.005

~NA~

~NA~

~NA~

-2

~NA~

~NA~

5.6

5.6

5000

-40

85

Price N/A

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FOD7840AV

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CAD Model

Pb

A

H

P

PDIP-8

646CQ

1

260

TUBE

50

No

5.5

4.5

~NA~

12.7

0.005

~NA~

~NA~

~NA~

-2

~NA~

~NA~

5.6

5.6

5000

-40

85

Price N/A

More Details

FOD7840B

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CAD Model

Pb

A

H

P

PDIP-8

646CQ

1

260

TUBE

50

No

5.5

4.5

~NA~

12.7

0.005

~NA~

~NA~

~NA~

-2

~NA~

~NA~

5.6

5.6

5000

-40

85

Price N/A

More Details

FOD7840BSD

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CAD Model

Pb

A

H

P

PDIP-8 GW

1

260

REEL

1000

No

5.5

4.5

~NA~

12.7

0.005

~NA~

~NA~

~NA~

-2

~NA~

~NA~

5.6

5.6

5000

-40

85

Price N/A

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FOD7840BSDV

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CAD Model

Pb

A

H

P

PDIP-8 GW

1

260

REEL

1000

No

5.5

4.5

~NA~

12.7

0.005

~NA~

~NA~

~NA~

-2

~NA~

~NA~

5.6

5.6

5000

-40

85

Price N/A

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FOD7840BSV

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CAD Model

Pb

A

H

P

PDIP-8 GW

1

260

TUBE

50

No

5.5

4.5

~NA~

12.7

0.005

~NA~

~NA~

~NA~

-2

~NA~

~NA~

5.6

5.6

5000

-40

85

Price N/A

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FOD7840BV

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CAD Model

Pb

A

H

P

PDIP-8

646CQ

1

260

TUBE

50

No

5.5

4.5

~NA~

12.7

0.005

~NA~

~NA~

~NA~

-2

~NA~

~NA~

5.6

5.6

5000

-40

85

Price N/A

More Details

FOD7840SD

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CAD Model

Pb

A

H

P

PDIP-8 GW

1

260

REEL

1000

No

5.5

4.5

~NA~

12.7

0.005

~NA~

~NA~

~NA~

-2

~NA~

~NA~

5.6

5.6

5000

-40

85

Price N/A

More Details

FOD7840SDV

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CAD Model

Pb

A

H

P

PDIP-8 GW

1

260

REEL

1000

No

5.5

4.5

~NA~

12.7

0.005

~NA~

~NA~

~NA~

-2

~NA~

~NA~

5.6

5.6

5000

-40

85

Price N/A

More Details

FOD7840SV

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CAD Model

Pb

A

H

P

PDIP-8 GW

1

260

TUBE

50

No

5.5

4.5

~NA~

12.7

0.005

~NA~

~NA~

~NA~

-2

~NA~

~NA~

5.6

5.6

5000

-40

85

Price N/A

More Details

FOD7840V

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CAD Model

Pb

A

H

P

PDIP-8

646CQ

1

260

TUBE

50

No

5.5

4.5

~NA~

12.7

0.005

~NA~

~NA~

~NA~

-2

~NA~

~NA~

5.6

5.6

5000

-40

85

Price N/A

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