Specific Function Optocouplers | FODC790

±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
  • 140 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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MSL Temp (°C)

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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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FODC790R2

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CAD Model

Pb

A

H

P

SOIC/LSOP-8 5.84x6.80x3.18, 1.27P

751FC

NA

0

REEL

1000

No

5.5

4.5

~NA~

~NA~

0.001

0

~NA~

~NA~

5.5

~NA~

~NA~

2.6

~NA~

5000

-40

105

Price N/A

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FODC790R2V

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CAD Model

Pb

A

H

P

SOIC/LSOP-8 5.84x6.80x3.18, 1.27P

751FC

NA

0

REEL

1000

No

5.5

4.5

~NA~

~NA~

0.001

0

~NA~

~NA~

5.5

~NA~

~NA~

2.6

~NA~

5000

-40

105

Price N/A

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FODC79AR2

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CAD Model

Pb

A

H

P

SOIC/LSOP-8 5.84x6.80x3.18, 1.27P

751FC

NA

0

REEL

1000

No

5.5

4.5

~NA~

~NA~

0.001

0

~NA~

~NA~

5.5

~NA~

~NA~

2.6

~NA~

5000

-40

105

Price N/A

More Details

FODC79AR2V

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CAD Model

Pb

A

H

P

SOIC/LSOP-8 5.84x6.80x3.18, 1.27P

751FC

NA

0

REEL

1000

No

5.5

4.5

~NA~

~NA~

0.001

0

~NA~

~NA~

5.5

~NA~

~NA~

2.6

~NA~

5000

-40

105

Price N/A

More Details

FODC79BR2V

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Active, New

CAD Model

Pb

A

H

P

SOIC/LSOP-8 5.84x6.80x3.18, 1.27P

751FC

NA

0

REEL

1000

No

5.5

4.5

~NA~

~NA~

0.001

0

~NA~

~NA~

5.5

~NA~

~NA~

2.6

~NA~

5000

-40

105

Price N/A

More Details

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