OPA2234M Datasheet, PDF (11/19 Pages) Texas Instruments – LOW-POWER, PRECISION SINGLE-SUPPLY OPERATIONAL AMPLIFIERS

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OPA2234M
SGDS040 – FEBRUARY 2011
TYPICAL CHARACTERISTICS (continued)
SMALL-SIGNAL STEP RESPONSE
G = 1, C_L = 100 pF, V_S = 5 V
SMALL-SIGNAL STEP RESPONSE
G = 1, C_L = 10,000 pF, V_S = 5 V
2 ms/div
LARGE-SIGNAL STEP RESPONSE
G = 1, C_L = 100 pF, V_S = 5 V
1000
100
20 µs/div
SETTLING TIME vs CLOSED-LOOP GAIN
C_L = 100 pF
V_S = ±15 V,
10 V Step
10 ms/div
V+
(V+) –0.5
(V+) –1.0
(V+) –1.5
(V+) –2.0
(V+) –2.5
(V+) –3.0
OUTPUT VOLTAGE SWING vs OUTPUT CURRENT
25°C
125°C
85°C
–55°C
–40°C
(V–) +3.0
(V–) +2.5
(V–) +2.0 _125°C
(V–) +1.5
(V–) +1.0
(V–) +0.5
V–
0
85°C
25°C
±5
–40°C
–55°C
High output current may
not be available at low
supply voltages due to
output swing limitations.
±10
±15
Output Current (mA)
10
1
±1
V_S = 2.7 V,
1 V Step
V_S = 5 V,
3 V Step
± 10
Gain (V/V)
SMALL-SIGNAL OVERSHOOT
vs LOAD CAPACITANCE
70
0.1%
0.01%
± 100
60
V_O = 100 mVp-p
50
G = –2
40
G = –1,
G=2
30
G = 1,
20
V_S = ±15 V
G = 1,
10 ^{VS = 2.7, 5 V}
G = ±10
0
10 pF
100 pF
1 nF
10 nF
Load Capacitance
100 nF
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