AD9271 datasheet(17/58 Pages) AD

17 / 58 page

Preliminary Technical Data

AD9271

Rev. PrA | Page 17 of 58

TYPICAL PERFORMANCE CHARACTERISTICS

(fSAMPLE = 50 MSPS, AIN = 5 MHz, LPF = 1/3 × fSAMPLE, LNA gain = 6×)

-2.00

-1.50

-1.00

-0.50

0.00

0.50

1.00

1.50

2.00

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

Vgain (V)

85C

25C

-40C

Figure 17. Absolute Gain Error vs. VGAIN at Three Temperatures

Figure 18. Gain Error Histogram

Figure 19. Gain Match Histogram for VGAIN = 0.2 V and 0.7 V

200000

400000

600000

800000

1000000

1200000

1400000

1600000

1800000

2000000

-5

-4

-3

-2

-1

12345

Codes

Figure 20. Output-Referred Noise Histogram with Gain Pin at 0.0V, AD9271-

200000

400000

600000

800000

1000000

1200000

-5

-4

-3

-2

-1

012345

Codes

Figure 21. Output-Referred Noise Histogram with Gain Pin at 1.0V, AD9271-

0.5

1.5

2.5

3.5

4.5

Frequency (MHz)

LNA Gain = 5x

LNA Gain = 6x

LNA Gain = 8x

Figure 22. Short-Circuit, Input-Referred Noise vs. Frequency

AD9271 Datasheet(PDF) 17 Page - Analog Devices

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