HCPL-7800B

更新时间： 2024-11-04 00:01:39

品牌	Logo	应用领域
安捷伦 - AGILENT		隔离放大器光电二极管分离技术隔离技术
页数	文件大小	规格书
18页	375K
描述
High CMR Isolation Amplifiers

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HCPL-7800B 数据手册

High CMR Isolation Amplifiers

Technical Data

HCPL-7800

HCPL-7800A

HCPL-7800B

applications, we recommend the

HCPL-7800 which exhibits a

part-to-part gain tolerance of

± 5%. For precision applications,

HP offers the HCPL-7800A and

HCPL-7800B, each with part-to-

part gain tolerances of ± 1%.

Features

• 15 kV/µs Common-Mode

Rejection at V_CM= 1000 V*

• Compact, Auto-Insertable

Standard 8-pin DIP Package

• 4.6 µV/°C Offset Drift vs.

Temperature

• 0.9 mV Input Offset Voltage

• 85 kHz Bandwidth

• 0.1% Nonlinearity

• Worldwide Safety Approval:

UL 1577 (3750 V rms/1 min),

VDE 0884 and CSA

• Advanced Sigma-Delta(Σ∆)

A/D Converter Technology

• Fully Differential Circuit

Topology

• 1 µm CMOS IC Technology

• Switch-Mode Power Supply

Signal Isolation

• General Purpose Analog

Signal Isolation

• Transducer Isolation

Description

The HCPL-7800 high CMR

isolation amplifier provides a

unique combination of features

ideally suited for motor control

circuit designers. The product

provides the precision and

stability needed to accurately

monitor motor current in high-

noise motor control environ-

ments, providing for smoother

control (less “torque ripple”) in

various types of motor control

applications.

The HCPL-7800 utilizes sigma-

delta (Σ∆) analog-to-digital

converter technology, chopper

stabilized amplifiers, and a fully

differential circuit topology

fabricated using HP’s 1 µm

CMOS IC process. The part also

couples our high-efficiency, high-

speed AlGaAs LED to a high-

speed, noise-shielded detector

Functional Diagram

Applications

• Motor Phase Current

Sensing

• General Purpose Current

Sensing

• High-Voltage Power Source

Voltage Monitoring

DD2

DD1

This product paves the way for a

smaller, lighter, easier to produce,

high noise rejection, low cost

solution to motor current

sensing. The product can also be

used for general analog signal

isolation applications requiring

high accuracy, stability and

DD1

DD2

IN+

OUT+

OUT-

IN-

*The terms common-mode rejection

(CMR) and isolation-mode rejection (IMR)

are used interchangeably throughout this

data sheet.

linearity under similarly severe

noise conditions. For general

GND1

GND2

CMR SHIELD

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.

1-216

5965-3592E

12 3 4 5 6 7...18

中文翻译

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与HCPL-7800B相关器件

型号	品牌	获取价格	描述	数据表
HCPL-7800B#300	AVAGO	获取价格	Isolation Amplifier, 1 Func, 3750V Isolation-Min, 85MHz Band Width, CMOS, PDSO8, 0.300 INC
HCPL-7800B#500	AVAGO	获取价格	ISOLATION AMPLIFIER, 3750V ISOLATION-MIN, 85kHz BAND WIDTH, PDSO8, 0.300 INCH, PLASTIC, SM
HCPL7800B300	ETC	获取价格	Optoelectronic
HCPL-7800B-300	AGILENT	获取价格	High CMR Isolation Amplifiers
HCPL-7800B-500	AGILENT	获取价格	High CMR Isolation Amplifiers
HCPL-7800BOPTION300	AGILENT	获取价格	Isolation Amplifier, 1 Func, 3750V Isolation-Min, 85MHz Band Width, PDSO8
HCPL-7800BOPTION500	AGILENT	获取价格	Isolation Amplifier, 1 Func, 3750V Isolation-Min, 85MHz Band Width, PDSO8
HCPL7820	AGILENT	获取价格	High CMR Analog Isolation Amplifiers
HCPL-7820	HP	获取价格	High CMR Analog Isolation Amplifiers
HCPL-7820	AGILENT	获取价格	High CMR Analog Isolation Amplifiers

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