AD8538 查看數據表（PDF） - Analog Devices

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AD8538

Low Power, Precision, Auto-Zero Op Amps

Analog Devices 

AD8538/AD8539

1000

VSY = 5V AND 2.7V

100

AV = 100

10

AV = 10

1

AV = 1

0.1

0.01

100

1k

10k

100k

1M

FREQUENCY (Hz)

Figure 17. AD8538 Closed-Loop Output Impedance vs. Frequency

60

VSY = 5V

TA = 25°C

50 RL = 2kΩ

40

30

OS+

20

OS–

10

0

1

10

100

1000

LOAD CAPACITANCE (pF)

Figure 18. AD8538 Small Signal Overshoot vs. Load Capacitance

VSY = 5V AND 2.7V

AV = 1

CL = 300pF

RL = 2kΩ

TIME (4µs/DIV)

Figure 19. AD8538 Small Signal Transient Response

VSY = 5V

AV = 1

CL = 300pF

RL = 10kΩ

TIME (4µs/DIV)

Figure 20. AD8538 Large Signal Transient Response

VSY = 5V

100 AV = –50

0

0

–2.5

TIME (10µs/DIV)

Figure 21. AD8538 Positive Overload Recovery

VSY = 5V

0 AV = –50

–100

2.5

0

TIME (10µs/DIV)

Figure 22. AD8538 Negative Overload Recovery

Rev. A | Page 10 of 24

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