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HCPL-7860

Optically Isolated Sigma-Delta (Σ−∆) Modulator

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Pin Description

ISOLATION

BOUNDARY

V DD1 1

8 V DD2

V IN+ 2

V IN- 3

SIGMA-

DELTA

MOD./

ENCODE

DECODE

7 MCLK

6 MDAT

GND1 4

SHIELD

5 GND2

HCPL-7860

V DD1 1

V IN+ 2

V IN- 3

NC 4

SIGMA-

DELTA

MOD./

NC 5 ENCODER

NC 6

NC 7

GND1 8

16 GND2

15 NC

14 V DD2

13 MCLK

DECODER

12 NC

11 MDAT

10 NC

9 GND2

HCPL-786J

Symbol

VDD1

VIN+

VIN-

GND1

Description

Supply voltage input (4.5 V to 5.5 V)

Positive input (± 200 mV recommended)

Negative input (normally connected to GND1)

Input ground

Symbol

VDD2

MCLK

MDAT

GND2

Description

Supply voltage input (4.5 V to 5.5 V)

Clock output (10 MHz typical)

Serial data output

Output ground

Ordering Information

Specify part number followed by option number (if desired).

Example:

HCPL-7860#XXXX

No option = Standard DIP package, 50 units per tube.

300 = Gull Wing Surface Mount Option, 50 units per tube.

500 = Tape and Reel Packaging Option, 1000 units per reel.

XXXE = Lead-Free Option

HCPL-786J#XXXX

No option = Standard DIP package, 45 units per tube.

500 = Tape and Reel Packaging Option, 850 units per reel.

XXXE = Lead-Free Option

Option data sheets available. Contact Agilent sales representative or authorized distributor.

Remarks: The notation “#” is used for existing products, while (new) products launched since 15th July 2001 and lead

free option will use “–”

2

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