OP270GS(RevA) 데이터 시트보기 (PDF) - Analog Devices

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OP270GS
(Rev.:RevA)

Dual Very Low Noise Precision Operational Amplifier

Analog Devices 

OP270–Typical Performance Characteristics

10

9 TA = 25؇C

8 VS = ؎15V

7

6

5

4

3

1/f CORNER = 5Hz

2

5

TA = 25؇C

4

3

2

AT 10Hz

AT 1kHz

1

1

10

100

1k

FREQUENCY – Hz

TPC 1. Voltage Noise Density

vs. Frequency

1

0

؎5

؎10

؎15

؎20

SUPPLY VOLTAGE – V

TPC 2. Voltage Noise Density

vs. Supply Voltage

10

TA = 25؇C

VS = ؎15V

1.0

1/f CORNER = 200Hz

0.1

10

100

1k

10k

FREQUENCY – Hz

TPC 4. Current Noise Density

vs. Frequency

40

VS = ؎15V

30

20

10

0

–10

–20

–30

–75 –50 –25 0 25 50 75 100 125

TEMPERATURE – ؇C

TPC 5. Input Offset Voltage vs.

Temperature

7

VS = ؎15V

VCM = 0V

6

5

4

3

2

–75 –50 –25 0 25 50 75 100 125

TEMPERATURE – ؇C

TPC 7. Input Bias Current vs.

Temperature

5

VS = ؎15V

VCM = 0V

4

3

2

1

0

–75 –50 –25 0 25 50 75 100 125

TEMPERATURE – ؇C

TPC 8. Input Offset Current vs.

Temperature

0.1Hz TO 10Hz NOISE

TA = 25؇C

VS = ؎15V

TIME – 1sec/DIV

TPC 3. TBD

5

TA = 25؇C

VS = ؎15V

4

3

2

1

0

0

1

2

3

4

5

TIME – Minutes

TPC 6. Warm-Up Offset Voltage

Drift

7

TA = 25؇C

VS = ؎15V

6

5

4

3

2

–10.0 –5.0 0.0

5.0 10.0

–12.5 –7.5 –2.5 2.5

7.5 12.5

COMMON-MODE VOLTAGE – V

TPC 9. Input Bias Current vs.

Common-Mode Voltage

–6–

REV. A

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