am452 AME, Inc., am452 Datasheet - Page 2

• Manufacturer Part Number: am452
• Description: Voltage-to-current Transducer Ic With A Differential Input - Analog Microelectronics
• Manufacturer: AME, Inc.

TABLE OF CONTENTS
PRINCIPLE FUNCTION
FEATURES
SCHEMATIC
GENERAL DESCRIPTION
ELECTRICAL SPECIFICATIONS
BOUNDARY CONDITIONS
DETAILED DESCRIPTION OF FUNCTIONS
OPERATING AM452
OPERATING AM452: IMPORTANT POINTS TO NOTE
DIMENSIONING
APPLICATIONS
BLOCK DIAGRAM AND PINOUT
DELIVERY
PACKAGE DIMENSIONS
FURTHER READING
NOTES
Analog Microelectronics GmbH
An der Fahrt 13, D – 55124 Mainz
Instrumentation amplifier (IA)
Operational amplifier stage (OP1)
Zero adjust stage
SET stage
Voltage-to-current converter (V/I converter)
Reference voltage source
Additional operational amplifier OP2
2- and 3-wire applications in general [2]
Differences in the AM452 circuitry with 2- and 3-wire applications
Selecting the supply voltage
Setting the offset and output current range for V
Typical 3-wire application with a differential input signal
Typical 2-wire application with a differential input signal
Offset compensation using a voltage divider at SET stage
Using OP2 as a current source
Using OP2 as a voltage source
AM452 – Voltage-to-current transducer IC
with a differential input
IN
= 0
February 2008 - Rev 1.2 - Page 2/21
Phone: [phone]
Fax:
Internet:
Email: [e-mail]
+49 (0)6131/91 073-30
http://www.analogmicro.de
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