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HCPL-7860 Datasheet

  • HCPL-7860

  • Optically Isolated Sigma-Delta Modulator

  • 18頁

  • AGILENT   AGILENT

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Agilent HCPL-7860/HCPL-786J
Optically Isolated
Sigma-Delta (危鈭掆垎 Modulator
危鈭掆垎)
危鈭掆垎
Data Sheet
In operation, the HCPL-7860/
HCPL-786J Isolated Modulator
(optocoupler with 3750 V
RMS
dielectric withstand voltage
rating) converts a low-
bandwidth analog input into a
high-speed one-bit data stream
by means of a Sigma-Delta (危鈭?/div>
鈭?
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.
Features
鈥?/div>
12-bit Linearity
鈥?/div>
200 ns Conversion Time (Pre-
Trigger Mode 2 with HCPL-0872)
鈥?/div>
12-bit Effective Resolution with 5
碌
s Signal Delay (14-bit with 102
碌
s) (with HCPL-0872)
鈥?/div>
Fast 3
碌
s Over-Range Detection
(with HCPL-0872)
鈥?/div>
鹵 200 mV Input Range with Single
5 V Supply
鈥?/div>
1% Internal Reference Voltage
Matching
鈥?/div>
Offset Calibration (with HCPL-
0872)
鈥?/div>
-40擄C to +85擄C Operating
Temperature Range
鈥?/div>
15 kV/碌s Isolation Transient
碌
Immunity
8
SIGMA
DELTA
MOD./
ENCODE
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.
1
2
Input
Current
3
4
HCPL-7860
鈥?/div>
Safety Approval: UL 1577, CSA
and IEC/EN/DIN EN 60747-5-2
HCPL-0872
or
Digital Filter
MCU
or
DSP
7
DECODE
6
Applications
鈥?/div>
Motor Phase and Rail Current
Sensing
鈥?/div>
Data Acquisition Systems
鈥?/div>
Industrial Process Control
鈥?/div>
Inverter Current Sensing
鈥?/div>
General Purpose Current Sensing
and Monitoring
5
A 0.1 碌F bypass capacitor must be connected between pins V
DD
and Ground
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.
SPI and QSPI are trademarks of Motorola Corp.
Microwire is a trademark of National Semiconductor Inc.

HCPL-7860 產(chǎn)品屬性

  • HCPL-7860/HCPL-786J

  • 50

  • 隔離器

  • 專用型

  • -

  • 三角積分調(diào)制器

  • 3750Vrms

  • DC

  • 4.5 V ~ 5.5 V

  • -40°C ~ 85°C

  • 通孔

  • 8-DIP（0.300"，7.62mm）

  • 8-DIP

  • 管件

  • 516-2269-5HCPL-7860-ND

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