Data Sheet OP249
Rev. I | Page 3 of 18
SPECIFICATIONS
ELECTRICAL CHARACTERISTICS
V
S
= ±15 V, T
A
= 25°C, unless otherwise noted.
Table 1.
Parameter Symbol Conditions
OP249A OP249F
Unit Min Typ Max Min Typ Max
Offset Voltage V
OS
V
CM
= 0 V 0.2 0.75 0.2 0.9 mV
Offset Stability 1.5 1.5 µV/month
Input Bias Current I
B
V
CM
= 0 V, T
A
= 25°C 30 75 30 75 pA
Input Offset Current I
OS
V
CM
= 0 V, T
A
= 25°C 6 25 6 25 pA
Input Voltage Range
1
IVR 12.5 12.5 V
±11 ±11 V
−12.5 –12.5 V
Common-Mode Rejection CMR V
CM
= ±11 V 80 90 80 90 dB
Power-Supply Rejection Ratio PSRR V
S
= ± 4.5 V to ±18 V 12 31.6 12 50 µV/V
Large Signal Voltage Gain
VO
O
L
Output Voltage Swing V
O
R
L
= 2 kΩ 12.5 12.5 V
±12.0 ±12.0 V
−12.5 –12.5 V
Short-Circuit Current Limit I
SC
Output shorted to
ground
36 36 mA
±20 ±50 ±20 ±50 mA
−33 –33 mA
Supply Current I
SY
No load, V
O
= 0 V 5.6 7.0 5.6 7.0 mA
Slew Rate SR R
L
= 2 kΩ, C
L
= 50 pF 18 22 18 22 V/µs
Gain Bandwidth Product
2
GBW 3.5 4.7 3.5 4.7 MHz
Settling Time t
S
10 V step 0.01%
3
0.9 1.2 0.9 1.2 µs
Phase Margin Θ
M
0 dB gain 55 55 Degrees
Differential Input Impedance Z
IN
10
12
||6 10
12
||6 Ω||pF
Open-Loop Output Resistance R
O
35 35 Ω
Voltage Noise e
n
p-p 0.1 Hz to 10 Hz 2 2 µV p-p
Voltage Noise Density e
n
f
O
= 10 Hz 75 75 nV/√Hz
O
f
O
= 1 kHz 17 17 nV/√Hz
f
O
= 10 kHz 16 16 nV/√Hz
Current Noise Density i
n
f
O
= 1 kHz 0.003 0.003 pA/√Hz
Voltage Supply Range V
S
±4.5 ±15 ±18 ±4.5 ±15 ±18 V
1
Guaranteed by CMR test.
2
Guaranteed by design.
3
Settling time is sample tested.
