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AM462

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
安茂微 - AME		转换器
页数	文件大小	规格书
20页	276K
描述
Industrial V/I Converter and Protector IC

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AM462 数据手册

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Industrial V/I Converter and Protector IC

AM462

FEATURES

GENERAL DESCRIPTION

AM462 is a universal V/I converter and

amplifier IC with a number of additional

functions. The IC basically consists of an

amplifier, whose gain can be set externally,

and an output stage which can convert voltage

signals referenced to ground to industrial

current signals. An additional reference

voltage source for the supply of external

components is also included in the device. A

further operational amplifier can be connected

up as a current source, voltage reference or

comparator.

• Supply voltage: 6...35V

• Wide working temperature range:

–40°C...+85°C

• Adjustable integrated reference voltage

source: 4.5 to 10V

• Additional voltage/current source

• Adjustable amplification

• Adjustable offset

• Industrial current output (e.g.

0/4...20mA)

• Protection against reverse polarity

• Short-circuit protection

• Output current limitation

• Low-cost device: replaces a number of

discrete elements

One of the main features of the IC is its

integrated protective circuitry. The device is

protected against reverse polarity and has a

built-in output current limit. Converter IC

AM462 enables industrial current loop signals

(e.g. of 0/4–20mA) to be produced relatively

easily.

• 2- and 3-wire operation

• Individually configurable function

modules

• RoHS compilant

Using the Frame ASIC concept [1] the IC can

be connected up to a processor for signal

correction.

BLOCK DIAGRAM

VREF

15

VSET

13

SET

CVREF

1

16

AM462

CVSET

INP

11

I

RS+

2

3

10

Voltage Reference

OP2

VCC

9

V_BG

RS-

V

8

IOUT

OP1

5

6

14

4

INN

GND

OUTAD

INDAI

Figure 1: Block diagram of AM462 (individually configurable function modules)

analog microelectronics

December2006

Analog Microelectronics GmbH

An der Fahrt 13, D – 55124 Mainz

Internet: http://www.analogmicro.de

Phone: +49 (0)6131/91 073 - 0

3/20

Fax:

+49 (0)6131/91 073 – 30

Rev. 2.4

Email: info@analogmicro.de

1 234 5 6 7...20

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