OP490
Rev. E | Page 3 of 16
SPECIFICATIONS
ELECTRICAL CHARACTERISTICS
@ VS = ±1.5 V to ±15 V, TA = 25°C, unless otherwise noted.
Table 1.
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
INPUT CHARACTERISTICS
Input Offset Voltage
VOS
0.6
1.0
mV
Input Offset Current
IOS
VCM = 0 V
0.4
5
nA
Input Bias Current
IB
VCM = 0 V
4.2
25
nA
Large Signal Voltage Gain
AVO
VS = ±15 V, VO = ±10 V
RL = 100 kΩ
400
800
V/mV
RL = 10 kΩ
200
400
V/mV
RL = 2 kΩ
100
200
V/mV
V+ = 5 V, V = 0 V, 1 V < VO < 4 V
RL = 100 kΩ
100
250
V/mV
RL = 10 kΩ
70
140
V/mV
IVR
V+ = 5 V, V = 0 V
0
4
V
Common-Mode Rejection Ratio
CMRR
V+ = 5 V, V = 0 V, 0 V < VCM < 4 V
80
100
dB
VS = ±15 V, 15 V < VCM < +13.5 V
90
120
dB
Input Resistance Differential Mode
RIN
VS = ±15 V
30
MΩ
Input Resistance Common-Mode
RINCM
VS = ±15 V
20
GΩ
OUTPUT CHARACTERISTICS
Output Voltage Swing
VO L
VS = ±15 V, RL = 10 kΩ
±13.5
±14.2
V
VS = ±15 V, RL = 2 kΩ
±10.5
±11.5
V
Output Voltage High
VOH
V+ = 5 V, V = 0 V, RL = 2 kΩ
4.0
4.2
V
Output Voltage Low
VOL
V+ = 5 V, V = 0 V, RL = 10 kΩ
100
500
μV
Capacitive Load Stability
AV = 1
650
pF
DYNAMIC PERFORMANCE
Slew Rate
SR
VS = ±15 V
5
12
V/ms
CS
fO = 10 Hz, VO = 20 V p-p, VS = ±15 V
120
150
dB
Gain Bandwidth Product
GBWP
AV = 1
20
kHz
POWER SUPPLY
Power Supply Rejection Ratio
PSRR
3.2
10
μV/V
Supply Current (All Amplifiers)
ISY
VS = ±1.5 V, no load
40
60
μA
VS = ±15 V, no load
60
80
μA
NOISE PERFORMANCE
Voltage Noise
en p-p
fO = 0.1 Hz to 10 Hz, VS = ±15 V
3
μV p-p
Voltage Noise Density
en
f = 1 kHz
60
nV/√Hz
Current Noise Density
in
f = 1 kHz
0.07
pA/√Hz
1 Guaranteed by CMRR test.
2 Guaranteed but not 100% tested.