ADA4945-1ACPZ-R2 datasheet(22/44 Pages) AD

номер детали	ADA4945-1ACPZ-R2

подробное описание детали	High Speed Offset Drift Fully Differential ADC Driver

PDF	44 Pages

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производитель	AD [Analog Devices]

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22 / 44 page

ADA4945-1

Data Sheet

Rev. 0 | Page 22 of 44

100

0.1

10M

FREQUENCY (Hz)

100

10k

100k

Figure 34. Input Current Noise Spectral Density

4.5

–10

2.0

TIME (µs)

–8

–6

–4

–2

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

SUPPLY CURRENT

DISABLE

Figure 35. DISABLE Pin Turn-Off Time

–8

0.4

–0.4

–10

TIME (ns)

–0.3

–0.2

–0.1

0.1

0.2

0.3

–6

–4

–2

%ERROR

OUTPUT

INPUT

VOUT, dm = 8V p-p

Figure 36. 0.1% Settling Time

100

0.1

0.01

0.1

100

FREQUENCY (MHz)

Figure 37. Closed-Loop Output Impedance Magnitude vs. Frequency, G = 1

1.2

–0.3

–7

2.0

TIME (µs)

–6

–4

–2

–1

–0.2

0.2

0.3

0.5

0.7

0.8

0.9

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

–5

–0.1

–3

0.1

0.4

0.6

1.0

1.1

DISABLE

+OUT, VICM = 1V

–OUT, VICM = 1V

Figure 38. DISABLE Pin Turn-On Time

100

–100

1000

TIME (ns)

–80

–60

–40

–20

100

300

200

400 500 600 700 800 900

VOUT, dm = 0.1V p-p

G = 1, RL = 1kΩ

G = 1, RL = 100Ω

G = 2, RL = 1kΩ

G = 2, RL = 100Ω

Figure 39. Small Signal Transient Response for Various Gains and Loads

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