AD7989-5BCPZ-R2 datasheet(9/24 Pages) AD

9 / 24 page

Data Sheet

AD7989-1/AD7989-5

Rev. B | Page 9 of 24

TYPICAL PERFORMANCE CHARACTERISTICS

VDD = 2.5 V, VREF = 5.0 V, VIO = 3.3 V.

Figure 6. INL vs. Code

Figure 7. Histogram of a DC Input at the Code Center

Figure 8. AD7989-5 Fast Fourier Transform (FFT) Plot

Figure 9. DNL vs. Code

Figure 10. Histogram of a DC Input at the Code Transition

Figure 11. AD7989-1 FFT Plot

2.0

1.5

1.0

0.5

–0.5

–1.0

–1.5

–2.0

65536

131072

196608

262144

CODE

POSITIVE INL: +0.79 LSB

NEGATIVE INL: –0.68 LSB

60k

50k

40k

30k

20k

10k

3FFF0

3FFF2

3FFF4

3FFF6

3FFF8

3FFFA

3FFFC

CODE IN HEX

745

881

7795

29064

50975

32476

9064

–20

–40

–60

–80

–100

–120

–140

–160

100

150

200

250

FREQUENCY (kHz)

fS = 500kSPS

fIN = 1kHz

SNR = 97.4361dB

SINAD = 97.3577dB

THD = –114.42dB

2.0

1.5

1.0

0.5

–0.5

–1.0

–1.5

–2.0

65536

131072

196608

262144

CODE

50k

45k

40k

35k

30k

25k

56789A

CODE IN HEX

145

20k

15k

10k

222

16682

44806

43239

20013

3158

2793

–20

–40

–60

–80

–100

–120

–140

–160

1020304050

FREQUENCY (kHz)

fS = 100kSPS

fIN = 1kHz

SNR = 97.2634dB

SINAD = 97.145dB

THD = –112.7dB

AD7989-5BCPZ-R2 数据表(PDF) 9 Page - Analog Devices

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