AD816 查看數據表（PDF） - Analog Devices

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AD816

500 mA Differential Driver and Dual Low Noise (VF) Amplifiers

Analog Devices 

AD816–Typical Receiver Performance Characteristics

VIN

PULSE

GENERATOR

TR/ TF = 500ps

1k⍀

50⍀

2.2pF

1k⍀

+15V

10␮F

0.1␮F

8

AD816

REC A/B

7

10␮F

0.1␮F

–15V

VOUT

RL

Figure 34. Test Circuit, Gain = +2

VIN

PULSE

GENERATOR

TR/ TF = 250ps

1k⍀

50⍀

1k⍀

+15V

10␮F

0.1␮F

8

AD816

REC A/B

7

10␮F

0.1␮F

–15V

VOUT

RL = 500⍀

Figure 38. Test Circuit, Gain = –1

50ns

Figure 35. Receiver 10 V Step Response, G = +2

5V

Figure 39. Receiver 10 V Step Response, G = –1

50ns

Figure 36. Receiver 400 mV Step Response, G = +2

0

VIN = 200mVrms

–10

–20

–30

INPUT

REC A

50⍀

1k⍀

OUTPUT OUTPUT REC B

100⍀ 100⍀

1k⍀

INPUT

50⍀

–40

1k⍀

2.2pF

–50

1k⍀

2.2pF

–60

RECEIVER B : INPUT

–70

RECEIVER A : OUTPUT

–80

–90

–100

0.01

RECEIVER A = INPUT

RECEIVER B = OUTPUT

0.1

1

10

FREQUENCY – MHz

100 300

Figure 37. Receiver Output-to-Output Crosstalk

vs. Frequency

Figure 40. Receiver 400 mV Step Response, G = –1

0

–10

–20

–30

–40

–50

INPUT 100⍀DRV A

50⍀

499⍀ 499⍀

499⍀

499⍀

100⍀

INPUT 50⍀ DRV B

REC A

OUTPUT OUTPUT

100⍀ 100⍀

1k⍀

2.2pF

2.2pF

OUTPUT OUTPUT 1k⍀

100⍀ 100⍀

REC B

INPUT

50⍀

VIN = 200mVrms

1k⍀

1k⍀

INPUT

50⍀

–60

DRIVER A: INPUT

RECEIVER A: OUTPUT

–70

DRIVER A: INPUT

RECEIVER B: OUTPUT

–80

DRIVER B: INPUT

RECEIVER A: OUTPUT

–90

–100

0.01

DRIVER B: INPUT

RECEIVER A: OUTPUT

0.1

1

10

FREQUENCY – MHz

100 300

Figure 41. Driver-to-Receiver Crosstalk vs. Frequency

–10–

REV. B

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