HCPL788J000E Avago Technologies, HCPL788J000E Datasheet

HCPL788J000E

Manufacturer Part Number

HCPL788J000E

Description

DIP

Manufacturer

Avago Technologies

Datasheet

1.HCPL788J000E.pdf (18 pages)

Specifications of HCPL788J000E

Date_code

08+

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Description

The HCPL-7860/HCPL-786J

Optically Isolated Modulator

and HCPL-0872 Digital

Interface IC or digital filter

together form an isolated

programmable two-chip

analog-to-digital converter. The

isolated modulator allows

direct measurement of motor

phase currents in power

inverters.

A 0.1 µF bypass capacitor must be connected between pins V

SPI and QSPI are trademarks of Motorola Corp.

Microwire is a trademark of National Semiconductor Inc.

Current

Input

CAUTION: It is advised that normal static precautions be taken in handling and assembly

of this component to prevent damage and/or degradation, which may be induced by ESD.

ENCODE

SIGMA

MOD./

DELTA

HCPL-7860

DECODE

Agilent HCPL-7860/HCPL-786J

Optically Isolated

Sigma-Delta ( Σ−∆

Data Sheet

In operation, the HCPL-7860/

HCPL-786J Isolated Modulator

(optocoupler with 3750 V

dielectric withstand voltage

rating) converts a low-

bandwidth analog input into a

high-speed one-bit data stream

by means of a Sigma-Delta (Σ−

∆) over-sampling modulator.

This modulation provides for

high noise margins and

excellent immunity against

isolation-mode transients. The

modulator data and on-chip

sampling clock are encoded

and transmitted across the

isolation boundary where they

are recovered and decoded

into separate high-speed clock

and data channels.

and Ground

Digital Filter

HCPL-0872

Σ−∆

Σ−∆) Modulator

RMS

MCU

DSP

Features

• • • • • 12-bit Linearity

• • • • • 200 ns Conversion Time (Pre-

• • • • • 12-bit Effective Resolution with 5

• • • • • Fast 3 µ µ µ µ µ s Over-Range Detection

• • • • • ± 200 mV Input Range with Single

• • • • • 1% Internal Reference Voltage

• • • • • Offset Calibration (with HCPL-

• • • • • -40°C to +85°C Operating

• • • • • 15 kV/µ µ µ µ µ s Isolation Transient

• • • • • Safety Approval: UL 1577, CSA

Applications

• • • • • Motor Phase and Rail Current

• • • • • Data Acquisition Systems

• • • • • Industrial Process Control

• • • • • Inverter Current Sensing

• • • • • General Purpose Current Sensing

µ µ µ µ µ s Signal Delay (14-bit with 102

µ µ µ µ µ s) (with HCPL-0872)

Trigger Mode 2 with HCPL-0872)

(with HCPL-0872)

5 V Supply

Matching

0872)

Temperature Range

Immunity

and IEC/EN/DIN EN 60747-5-2

Sensing

and Monitoring

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