EEWORLDEEWORLDEEWORLD

Part Number

Search

AM447

Description
High Precision Instrumentation Amplifier
File Size87KB,6 Pages
ManufacturerETC
Download Datasheet View All

AM447 Overview

High Precision Instrumentation Amplifier

High Precision Instrumentation Amplifier
FEATURES
Very Low Offset Voltage: < 25µV
Low Input Bias Current:
5nA
High Input Sensitivity
High CMRR: > 90dB min
Wide Operating Temperature Range:
–40°C...+140°C
Adjustable Rail–to–Rail Voltage Out-
put Stage: 0.5...4.5V
Single Supply Device (ratiometric)
Integrated Source and Sink Capabil-
ity:
±
2mA
Low Noise Behaviour
AM447
GENERAL DESCRIPTION
The AM447 is a high precision amplifier, de-
signed for amplification of sensor bridge sig-
nals up to 35mV full scale. The single supply
circuit consists of a high precision instrumen-
tation amplifier (IA) and an integrated ra-
tiometric output stage. Input offset voltages
less than
±25µV
(±1µV/°C) are adjustable by
only two externally trimmable resistors. The
monitoring of the amplified signal is possible
at the output of the IA and makes the adjust-
ment easier. With the externally adjustable
gain of the output stage, the AM447 can be
used for different signal sources. The 2mA
sink and source capability makes it ideal for
high precision applications specially in the
field of automotive sensors.
APPLICATIONS
Small Signal (Bridge) Amplifier
Low Pressure Sensors
Automotive Applications
DMS Interface
Interface for Ceramic Sensors
High Precision Amplifier
Medical Instrumentation
Data Acquisition
DELIVERY
DIL16 packages (samples, small quantities)
SO16(n) packages
Dice on 5“ blue foil
BLOCK DIAGRAM
OC1
OC2
1
2
14
VCC
AM447
IN+
4
IN-
3
IA
1k
Output
Stage
OUT
10
GAIN
11
19k
V
CC
7
5
8
6
12
9
RSET
VREFIN VREF IAOUT
VSET
GND
Figure 1
analog microelectronics
Analog Microelectronics GmbH
An der Fahrt 13, D – 55124 Mainz
Internet: www.analogmicro.de
Phone: +49 (0)6131/91 073 – 0
Fax:
+49 (0)6131/91 073 – 30
E–Mail: info@analogmicro.de
April 2000
1/6
Rev. 2.1
Market demand: Why do customers need 3700 series products?
Many electronic test systems use relay switches to connect multiple devices to source-measure instruments; especially in applications with a high pin count, it is economically impractical to source-me...
Jack_ma Test/Measurement
Why do programmers...
...
白丁 Talking
evc Error
The program itself runs fine. But when I exit, it always displays File dlgcore.cpp, line 78. Can any kind-hearted person help me explain this?...
yes2250 Embedded System
PADS Power-Logic Software Training Notes
PADS Power-Logic Software Training Notes...
simonprince PCB Design
Graduation project USB data acquisition and transmission
I am looking for a graduation project on USB data acquisition and transmission. Major: measurement and control technology and instrument basic theory: single-chip technology, USB communication technol...
tyyuy Embedded System
Why is there no wince5.0 simulator in my VS2005?
Why is there no wince5.0 emulator in my VS2005? Even after installing the Windows Mobile 5.0 Pocket PC SDK, there is still no emulator. I can't find the emulator online either. I'm so depressed, what ...
aazz Embedded System

EEWorld
subscription
account

EEWorld
service
account

Automotive
development
circle

Robot
development
community

Index Files: 2581  2323  2399  234  1852  52  47  49  5  38 
Datasheet   0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Room 1530, 15th Floor, Building B, No. 18 Zhongguancun Street, Haidian District, Beijing Telephone: (010) 82350740 Postal Code: 100190
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved 京ICP证060456号 京ICP备10001474号-1 电信业务审批[2006]字第258号函 京公网安备 11010802033920号