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AM460 数据表(PDF) 3 Page - WOLFSPEED, INC.

部件名 AM460
功能描述  Industrial Converter and Protector IC
PDF  18 Pages
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制造商  WOLFSPEED [WOLFSPEED, INC.]
网页  https://www.wolfspeed.com/
标志 WOLFSPEED - WOLFSPEED, INC.

AM460 数据表(HTML) 3 Page - WOLFSPEED, INC.

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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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