Industrial Converter and Protector IC
AM460
BLOCK DIAGRAM AND PINOUT
VREF
VSET
SET
CVREF
1
16
15
13
AM460
CVSET
INP
11
10
9
I
RS+
2
3
Voltage Reference
OP2
VCC
RS-
VBG
V
8
IOUT
OP1
12
OP3
VOUT
5
6
4
7
14
GND
INN
OUTAD
INDAI INDAV
Figure 9: Block diagram of AM460
PIN
NAME
EXPLANATION
CVREF
CVSET
INP
SET
16
15
14
13
12
11
10
9
1
2
1
2
CVREF
CVSET
INP
Current/Voltage reference
Current/Voltage reference set
Positive input
VREF
GND
VSET
VOUT
RS+
3
3
4
5
6
7
8
4
INN
Negative input
INN
5
OUTAD System amplification output
OUTAD
INDAI
INDAV
IOUT
6
INDAI
INDAV
IOUT
RS-
Current output stage input
Voltage output stage input
Current output
7
8
VCC
RS−
9
Sensing resistor -
10
11
12
13
14
15
16
VCC
Supply voltage
RS+
Sensing resistor +
Figure 10: Pinout
VOUT
VSET
GND
VREF
SET
Voltage output
Reference voltage source set
IC ground
Reference voltage source output
Output offset current set
Table 1: AM460 pinout
analog microelectronics
April 2003
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