Datasheet

OP490
Rev. E | Page 3 of 16
SPECIFICATIONS
ELECTRICAL CHARACTERISTICS
@ V
S
= ±1.5 V to ±15 V, T
A
= 25°C, unless otherwise noted.
Table 1.
Parameter Symbol Conditions Min Typ Max Unit
INPUT CHARACTERISTICS
Input Offset Voltage V
OS
0.6 1.0 mV
Input Offset Current I
OS
V
CM
= 0 V 0.4 5 nA
Input Bias Current I
B
V
CM
= 0 V 4.2 25 nA
Large Signal Voltage Gain A
VO
V
S
= ±15 V, V
O
= ±10 V
R
L
= 100 kΩ 400 800 V/mV
R
L
= 10 kΩ 200 400 V/mV
R
L
= 2 kΩ 100 200 V/mV
V+ = 5 V, V− = 0 V, 1 V < V
O
< 4 V
R
L
= 100 kΩ 100 250 V/mV
R
L
= 10 kΩ 70 140 V/mV
Input Voltage Range
1
IVR V+ = 5 V, V− = 0 V 0 4 V
Common-Mode Rejection Ratio CMRR V+ = 5 V, V− = 0 V, 0 V < V
CM
< 4 V 80 100 dB
V
S
= ±15 V, −15 V < V
CM
< +13.5 V 90 120 dB
Input Resistance Differential Mode R
IN
V
S
= ±15 V 30 MΩ
Input Resistance Common-Mode R
INCM
V
S
= ±15 V 20 GΩ
OUTPUT CHARACTERISTICS
Output Voltage Swing V
O L
V
S
= ±15 V, R
L
= 10 kΩ ±13.5 ±14.2 V
V
S
= ±15 V, R
L
= 2 kΩ ±10.5 ±11.5 V
Output Voltage High V
OH
V+ = 5 V, V− = 0 V, R
L
= 2 kΩ 4.0 4.2 V
Output Voltage Low V
OL
V+ = 5 V, V− = 0 V, R
L
= 10 kΩ 100 500 μV
Capacitive Load Stability A
V
= 1 650 pF
DYNAMIC PERFORMANCE
Slew Rate SR V
S
= ±15 V 5 12 V/ms
Channel Separation
2
CS f
O
= 10 Hz, V
O
= 20 V p-p, V
S
= ±15 V 120 150 dB
Gain Bandwidth Product GBWP A
V
= 1 20 kHz
POWER SUPPLY
Power Supply Rejection Ratio PSRR 3.2 10 μV/V
Supply Current (All Amplifiers) I
SY
V
S
= ±1.5 V, no load 40 60 μA
V
S
= ±15 V, no load 60 80 μA
NOISE PERFORMANCE
Voltage Noise e
n
p-p f
O
= 0.1 Hz to 10 Hz, V
S
= ±15 V 3 μV p-p
Voltage Noise Density e
n
f = 1 kHz 60 nV/√Hz
Current Noise Density i
n
f = 1 kHz 0.07 pA/√Hz
1
Guaranteed by CMRR test.
2
Guaranteed but not 100% tested.