AMPLIFIER AND PROTECTION IC
Parameter
Voltage Output Stage OP1
Adjustable Gain
Input Range
G
OP1
IR
IR
Power Supply Rejection Ratio
Offset Voltage
V
OS
vs. Temperature
Input Bias Current
I
B
vs. Temperature
Output Voltage Range
PSRR
V
OS
dV
OS
/dT
I
B
dI
B
/dT
V
OUT
V
OUT
Output Current Limitation
Output Current
Output Resistance
Load Resistance
Load Capacitance @
VOUT
Protection Functions
Protection against reverse polarity
Ground
vs.
V
CC
vs.
V
OUT
,
R
1
≥
20kΩ
I
LIM
I
OUT
R
OUT
R
L
C
L
V
CC
< 18V
V
CC
≥
18V
V
OUT
≥
10V,
R
1
+
R
2
≥
100kΩ
Source
Source
2
0
0
0
5
0
0.5
10
7
V
CC
< 10V
V
CC
≥
10V
1
0
0
80
90
±0.5
±3
5
3.5
Symbol
Conditions
Min.
Typ.
AM461
Max.
Unit
V
CC
– 5
5
V
V
dB
±2
±7
12
10
V
CC
– 5
13
10
I
LIM
100
500
mV
µV/°C
nA
pA/°C
V
V
mA
mA
Ω
kΩ
nF
35
V
Currents flowing into the IC are negative
BOUNDARY CONDITIONS
Parameter
Sum Gain Resistors
Sum Reference Adjustment Resistors
Stabilisation Capacitance @
VREF
Symbol
R
1
+
R
2
R
3
+
R
4
C
1
Conditions
Min.
20
20
1.9
Typ.
100
100
2.2
Max.
200
200
5.0
Unit
kΩ
kΩ
µF
analog microelectronics
October 2002
5/8
AME [ ANALOG MICROELECTRONICS ]
