OP27GP datasheet(12/20 Pages) AD

12 / 20 page

OP27

Rev. F | Page 12 of 20

TIME FROM OUTPUT SHORTED TO GROUND (Min)

TA = 25°C

VS = 15V

ISC (–)

ISC (+)

Figure 28. Short-Circuit Current vs. Time

100

FREQUENCY (Hz)

140

120

100

10k

100k

VS = ±15V

TA = 25°C

VCM = ±10V

Figure 29. CMRR vs. Frequency

–16

±20

SUPPLY VOLTAGE (V)

TA = –55°C

TA = +125°C

TA = –55°C

TA = +125°C

TA = +25°C

–4

–8

–12

±5

±10

±15

Figure 30. Common-Mode Input Range vs. Supply Voltage

OP12

OP27

D.U.T.

100k

4.3k

4.7

μF

24.3k

VOLTAGE

GAIN

= 50,000

2.2

μF

110k

SCOPE

× 1

RIN = 1MΩ

0.1

μF

100k

0.1

μF

Figure 31. Voltage Noise Test Circuit (0.1 Hz to 10 Hz)

2.4

0.4

100

10k

100k

LOAD RESISTANCE (

Ω)

TA = 25°C

VS = ±15V

2.2

2.0

1.8

1.6

1.4

1.2

1.0

0.8

0.6

Figure 32. Open-Loop Voltage Gain vs. Load Resistance

–90

–120

1 SEC/DIV

120

–40

0.1Hz TO 10Hz p-p NOISE

Figure 33. Low Frequency Noise

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