Datasheet

OPA234, OPA2234, OPA4234
8
SBOS055B
www.ti.com
TYPICAL CHARACTERISTIC CURVES (Cont.)
At T
A
= +25°C and R
L
= 10kΩ, unless otherwise noted.
LARGE-SIGNAL STEP RESPONSE
G = 1, C
L
= 100pF, V
S
= +5V
1V/div
10µs/div
SMALL-SIGNAL STEP RESPONSE
G = 1, C
L
= 10,000pF, V
S
= +5V
20mV/div
20µs/div
OUTPUT VOLTAGE SWING vs OUTPUT CURRENT
V+
(V+) –0.5
(V+) –1.0
(V+) –1.5
(V+) –2.0
(V+) –2.5
(V+) –3.0
(V–) +3.0
(V–) +2.5
(V–) +2.0
(V–) +1.5
(V–) +1.0
(V–) +0.5
V–
0 ±5 ±10
125°C
85°C
25°C
±15
Output Current (mA)
Output Voltage Swing (V)
–55°C
–55°C
–40°C
25°C
85°C
125°C
–40°C
High output current may
not be available at low
supply voltages due to
output swing limitations.
SMALL-SIGNAL OVERSHOOT
vs LOAD CAPACITANCE
70
60
50
40
30
20
10
0
10pF 100pF 1nF 10nF 100nF
Load Capacitance
Overshoot (%)
G = –1,
G = +2
G = +1,
V
S
= +2.7, +5V
G = +1,
V
S
= ±15V
G = ±10
G = –2
V
O
= 100mVp-p
SMALL-SIGNAL STEP RESPONSE
G = 1, C
L
= 100pF, V
S
= +5V
2µs/div
20mV/div
SETTLING TIME vs CLOSED-LOOP GAIN
Gain (V/V)
Settling Time (µs)
1000
100
10
1
±1 ±10 ±100
V
S
= ±15V,
10V Step
V
S
= +2.7V,
1V Step
C
L
= 100pF
0.1%
0.01%
V
S
= +5V,
3V Step