AM460 datasheet(3/18 Pages) AME

Part #	AM460

Description	Industrial Converter and Protector IC

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Manufacturer	AME [Analog Microelectronics]

Direct Link	http://www.ame.com.tw/

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Industrial Converter and Protector IC

AM460

analog microelectronics

April 2003

Analog Microelectronics GmbH

Phone:

+49 (0)6131/91 073 – 0

3/18

An der Fahrt 13, D – 55124 Mainz

Fax:

+49 (0)6131/91 073 – 30

Rev. 1.1

Internet: http://www.analogmicro.de

E–mail:

info@analogmicro.de

FEATURES

• 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

• Operational amplifier with integrated

driver stage

• Adjustable amplification

• Analogue parallel voltage (0...5/10V) and

current output (0/4...20mA)

• Protection against reverse polarity and

short-circuiting

• Output current limit

• Low-cost device: replaces a number of

discrete elements

• 2- and 3-wire operation

GENERAL DESCRIPTION

AM460 is a universal converter and amplifier IC

with a number of additional functions. The IC basi-

cally consists of an amplifier, whose gain can be set

externally, and parallel output stages which can con-

dition signals referenced to ground in industrial

voltage and 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.

One of the main features of the IC is its integrated

protective circuitry. The device is protected against

reverse polarity, short-circuiting and has a built-in

output current limit. Amplifier IC AM460 enables

industrial standard voltage (e.g. 0–5/10V) and cur-

rent loop (e.g. 0/4–20mA) signals to be produced

relatively easily.

BLOCK DIAGRAM

VREF

VOUT

SET

OUTAD

INDAI

GND

VSET

INDAV

INN

INP

IOUT

RS+

VCC

CVREF

CVSET

V

BG

4

3

7

14

12

11

10

8

16

V

I

13

15

Voltage Reference

1

6

OP1

5

2

AM460

OP3

OP2

RS-

9

Figure 1: Block diagram of AM460

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AM460 Datasheet(PDF) 3 Page - Analog Microelectronics

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