OPA2234UG4 datasheet(8/23 Pages) TI1

Part #	OPA2234UG4

Description	Low-Power, Precision SINGLE-SUPPLY OPERATIONAL AMPLIFIERS

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Manufacturer	TI1 [Texas Instruments]

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OPA234, OPA2234, OPA4234

8

SBOS055B

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TYPICAL CHARACTERISTIC CURVES (Cont.)

At TA = +25°C and RL = 10kΩ, unless otherwise noted.

LARGE-SIGNAL STEP RESPONSE

G = 1, C

L = 100pF, VS = +5V

10µs/div

SMALL-SIGNAL STEP RESPONSE

G = 1, C

L = 10,000pF, VS = +5V

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)

–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

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, VS = +5V

2µs/div

SETTLING TIME vs CLOSED-LOOP GAIN

Gain (V/V)

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

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