Datasheet

OPA131, 2131, 4131
6
SBOS040A
www.ti.com
SMALL-SIGNAL STEP RESPONSE
G =1, C
L
= 300pF
200ns/div
50mV/div
TYPICAL CHARACTERISTICS (Cont.)
At T
CASE
= +25°C, V
S
= ±15V, and R
L
= 2kΩ, unless otherwise noted.
LARGE-SIGNAL STEP RESPONSE
G = 1, C
L
= 300pF
5V/div
1µs/div
SMALL-SIGNAL OVERSHOOT
vs LOAD CAPACITANCE
Load Capacitance
Overshoot (%)
50
40
30
20
10
0
100pF 1nF 10nF
R
L
= 2kΩ
Higher R
L
value
generally reduces
overshoot.
G = +2
G = –1
G = ±10
G = 1
OUTPUT VOLTAGE SWING vs OUTPUT CURRENT
15
14
13
12
11
10
–10
–11
–12
–13
–14
–15
0 5 10 15 20 25 30
Output Current (mA)
Output Voltage Swing (V)
–55°C
–55°C
25°C
125°C
125°C
25°C
V
IN
= –15V
V
IN
= 15V
SETTLING TIME vs CLOSED-LOOP GAIN
Closed-Loop Gain (V/V)
Settling Time (µs)
100
10
1
–1 –10 –100 –1000
V
O
= 10V Step
R
L
= 2kΩ
C
L
= 100pF
0.1%
0.01%