HCPL-653K datasheet(12/12 Pages) HP

Part #	HCPL-653K

Description	Hermetically Sealed, Transistor Output Optocouplers for Analog and Digital Applications

PDF	12 Pages

Scroll/Zoom	100%

Manufacturer	HP [Agilent(Hewlett-Packard)]

Direct Link	http://www.home.agilent.com

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12 / 12 page

1-570

Figure 13. Isolation Amplifier Application Circuit.

VOUT

IF2

VIN

-15 V

–

I C

-15 V

I CC

6 mA

I C

= K 1

I F

I C

= K 2

I F

HCPL-5530

–

5 k

Ω GAIN ADJUST

R4 1 kΩ

5 k

Ω

OFFSET ADJUST

I C

220

Ω

2.7 k

Ω

2.7 k

Ω

–

U1 , U2 , U3 , U4 , LM307

50 k

Ω

´1

´2

Description

The schematic uses a dual-

channel, high-speed optocoupler

(HCPL-5530) to function as a

servo type dc isolation amplifier.

This circuit operates on the

principle that two optocouplers

will track each other if their gain

changes by the same amount over

a specific operating region.

Performance of Circuit

• 1% linearity for 10 V peak-to-

peak dynamic range

• Gain drift: -0.03%/

°C

• Offset Drift:

± 1 mV/°C

• 25 kHz bandwidth (limited by

Op-Amps U1, U2)

MIL-PRF-38534 Class H,

Class K, and DESC SMD

Test Program

Hewlett-Packard’s Hi-Rel Opto-

couplers are in compliance with

MIL-PRF-38534 Classes H and K.

Class H devices are also in

compliance with DESC drawings

5962-87679, and 5962-90854.

Testing consists of 100% screen-

ing and quality conformance

inspection to MIL-PRF-38534.

HCPL-653K Datasheet(PDF) 12 Page - Agilent(Hewlett-Packard)

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