Datasheet > ACPL-C87X

ACPL-C87X

更新时间： 2024-09-21 11:46:27

品牌	Logo	应用领域
安华高科 - AVAGO		隔离放大器
页数	文件大小	规格书
14页	121K
描述
用于电压传感的光耦隔离放大器

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ACPL-C87X 数据手册

ACPL-C87B, ACPL-C87A, ACPL-C870

Precision Optically Isolated Voltage Sensor

Data Sheet

Lead (Pb) Free

RoHS 6 fully

compliant

RoHS 6 fully compliant options available;

-xxxE denotes a lead-free product

Description

Features

The ACPL-C87B/C87A/C87± voltage sensors are optical  Advanced Sigma-Delta (-) Modulation Technology

isolation ampliﬁers designed speciﬁcally for voltage

sensing0 Its 2 V input range and high 1 G input impe-

dance, makes it well suited for isolated voltage sensing

 UnityGain1V/V,±±0.5ꢀighGainAccuracy(ACPL-C87B)

 1 G Input Impedence

requirements in electronic power converters applications  ± to 2 V Nominal Input Range

including motor drives and renewable energy systems0

In a typical voltage sensing implementation, a resistive

voltage divider is used to scale the DC-link voltage to suit

 -3. ppm/°C Low Gain Drift

 21V /°C Oﬀset Voltage Drift

the input range of the voltage sensor0 A diﬀerential output  ±015 Non-Linearity Max

voltage that is proportional to the input voltage is created

on the other side of the optical isolation barrier0

 Active-ꢀigh Shutdown Pin

 1±± kꢀz Wide Bandwidth

For general applications, the ACPL-C87A (±15 gain

 3 V to .0. V Wide Supply Range for Output Side

tolerance) and the ACPL-C87± (±35 gain tolerance)

 -4±° C to +1±.° C Operating Temperature Range

 1. kV/s Common-Mode Transient Immunity

 Compact, Auto-Insertable Stretched SO-8 Package

 Safety and Regulatory Approvals (pending):

are recommended0 For high precision requirements,

the ACPL-C87B (±±0.5 gain tolerance) can be used0 The

ACPL-C87B/C87A/C87± family operates from a single . V

supply and provides excellent linearity0 An active-high

shutdown pin is available which reduces the IDD1 current

to only 1. A, making them suitable for battery-powered

and other power-sensitive applications0

– IEC/EN/DIN EN 6±747-.-.: 123± Vpeak working

insulation voltage

The high common-mode transient immunity (1. kV/s)

of the ACPL-C87B/C87A/C87± provides the precision and

stability needed to accurately monitor DC-link voltage in

high noise environments0 Combined with superior optical

coupling technology, the ACPL-C87B/C87A/C87± imple-

ments sigma-delta (-) modulation, chopper stabilized

ampliﬁers, and diﬀerential outputs to provide unequaled

isolation-mode noise rejection, low oﬀset, high gain

accuracy and stability0 This performance is delivered in a

compact, auto-insertable Stretched SO-8 (SSO-8) package

that meets worldwide regulatory safety standards0

– UL 1.77: .±±± Vrms/1 min double protection rating

– CSA: Component Acceptance Notice #.

Applications

 Isolated Voltage Sensing in AC and Servo Motor Drives

 Isolated DC-Bus Voltage Sensing in Solar Inverters,

Wind Turbine Inverters

 Isolated Sensor Interfaces

 Signal Isolation in Data Acquisition Systems

 General Purpose Voltage Isolation

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.

12 3 4 5 6 7...14

中文翻译

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