Precision amplifier for bridge circuits
BLOCK DIAGRAM AND PINOUT
AM457
AM457
7
OUTOP
OP
V
CC
1k
9k
8
VCC
Diagnostic unit
IN+
IN-
3
Temp
5
DIAG
1
OUT
AMP
2
6
4
GND
Figure 3:
Block diagram of AM457
PIN
1
2
3
4
5
6
7
8
NAME
OUT
IN-
IN+
EXPLANATION
Output AMP
Negative Input AMP
Positive Input AMP
IC Ground
Output Diagnosis
Negative Input OP
Output OP
Supply Voltage
OUT
IN-
IN+
GND
1
2
3
4
8
7
6
5
VCC
OUTOP
INOP
DIAG
GND
DIAG
INOP
OUTOP
VCC
Figure 4:
AM457 Pin out
Table 3:
Pin configuration
analog microelectronics
Analog Microelectronics GmbH
An der Fahrt 13, D – 55124 Mainz
Internet: www.analogmicro.de
Phone:
Fax:
Email:
+49 (0)6131/91 073 – 0
+49 (0)6131/91 073 – 30
info@analogmicro.de
May 2005
9/10
Rev. 2.2
AME [ ANALOG MICROELECTRONICS ]
