Datasheet

Industrial Converter and Protector IC AM460
analog microelectronics
April 2003
5/18
Parameter Symbol Conditions Min. Typ. Max. Unit
Operational Amplifier Gain Stage (OP1) (cont.)
Input Bias Current I
B
10 25 nA
I
B
vs. Temperature dI
B
/dT 720pA/°C
Output Voltage Limit V
LIM
V
REF
V
Output Voltage Range V
OUTAD
V
CC
< 10V 0 V
CC
– 5 V
V
OUTAD
V
CC
≥ 10V
0 V
REF
V
Load Capacitance C
L
250 pF
Operational Amplifier Output Stage (OP3)
Internal Gain G
OP
2.15 2.20 2.25
Input Range IR V
CC
< 11V 0 V
CC
– 5 V
IR
V
CC
≥ 11V
06V
Power Supply Rejection Ratio PSRR 80 90 dB
Offset Voltage V
OS
±
0.5
±
2mV
V
OS
vs. Temperature dV
OS
/dT
±
3
±
7µV/°C
Input Bias Current I
B
10 25 nA
I
B
vs. Temperature dI
B
/dT 720pA/°C
Output Voltage Range V
OUT
V
CC
< 19V 0 V
CC
– 5 V
V
OUT
V
CC
≥ 19V
014V
Output Current Limitation I
LIM
V
OUT
≥ 10V
5710mA
Output Current I
OUT
0 I
LIM
mA
Load Resistance R
L
2
kΩ
Load Capacitance C
L
500 nF
V/I Converter
Internal Gain G
VI
0.125
Trim Range Adjustable by R
0
0.75 1.00 1.25
Voltage Range at R
0
FS V
R0
FS 350 750 mV
Offset Voltage V
OS
β
F
≥ 100
±
2
±
4mV
V
OS
vs. Temperature dV
OS
/dT
β
F
≥ 100
±
7
±
14 µV/°C
Input Resistance R
IN
120 160
kΩ
R
IN
vs. Temperature dR
IN
/dT 0.2 0.3
kΩ/°C
Output Offset Current I
OUTOS
3-wire operation –25 –35 µA
I
OUTOS
vs. Temperature dI
OUTOS
/dT 3-wire operation 16 26 nA/°C
Output Offset Current I
OUTOS
2-wire operation 9.5 14 µA
I
OUTOS
vs. Temperature dI
OUTOS
/dT 2-wire operation 6 8 nA/°C
Output Control Current I
OUTC
2-wire operation, V
R0
/100mV 6 8 µA
I
OUTC
vs. Temperature dI
OUTC
/dT 2-wire operation –10 –15 nA/°C
Output Voltage Range V
OUT
V
OUT
= R
L
I
OUT
, V
CC
< 18V 0 V
CC
– 6 V
V
OUT
V
OUT
= R
L
I
OUT
, V
CC
≥ 18V
012V
Output Current Range FS I
OUTFS
I
OUT
= V
R0
/R
0
, 3-wire operation 20 mA
Output Resistance R
OUT
0.5 1.0
MΩ
Load Capacitance C
L
0 500 nF