AD7902 datasheet(9/29 Pages) AD

номер детали	AD7902

подробное описание детали	Dual Pseudo Differential 16-Bit, 1 MSPS PulSAR ADC 12.0 mW in QSOP

PDF	29 Pages

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производитель	AD [Analog Devices]

домашняя страница	http://www.analog.com

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9 / 29 page

AD7902

Data Sheet

Rev. B | Page 8 of 28

TYPICAL PERFORMANCE CHARACTERISTICS

VDD = 2.5 V, VREF = 5.0 V, VIO = 3.3 V, TA = 25°C, fSAMPLE = 1 MSPS, fIN = 10 kHz, unless otherwise noted.

Figure 5. Integral Nonlinearity vs. Code, VREF = 5 V

Figure 6. Integral Nonlinearity vs. Code, VREF = 2.5 V

Figure 7. FFT Plot, VREF = 5 V

Figure 8. Differential Nonlinearity vs. Code, VREF = 5 V

Figure 9. Differential Nonlinearity vs. Code, VREF = 2.5 V

Figure 10. FFT Plot, VREF = 2.5 V

65536

16384

32768

49152

1.0

–1.0

–0.8

–0.6

–0.4

–0.2

0.2

0.4

0.6

0.8

CODE

POSITIVE INL: +0.35 LSB

NEGATIVE INL: –0.90 LSB

65536

16384

32768

49152

POSITIVE INL: +0.60 LSB

NEGATIVE INL: –0.60 LSB

1.0

–1.0

–0.8

–0.6

–0.4

–0.2

0.2

0.4

0.6

0.8

CODE

500

100

200

300

400

–180

–160

–140

–120

–100

–80

–60

–40

–20

FREQUENCY (kHz)

fSAMPLE = 1MSPS

fIN = 10kHz

SNR = 91.37dB

THD = –103.7dB

SFDR = 104.5dB

SINAD = 91.15dB

1.0

–1.0

–0.8

–0.6

–0.4

–0.2

0.2

0.4

0.6

0.8

CODE

65536

16384

32768

49152

POSITIVE DNL: +0.38 LSB

NEGATIVE DNL: –0.42 LSB

1.0

–1.0

–0.8

–0.6

–0.4

–0.2

0.2

0.4

0.6

0.8

CODE

65536

16384

32768

49152

POSITIVE DNL: +0.60 LSB

NEGATIVE DNL: –0.58 LSB

–180

–160

–140

–120

–100

–80

–60

–40

–20

FREQUENCY (kHz)

fSAMPLE = 1MSPS

fIN = 10kHz

SNR = 85.85dB

THD = –103.0dB

SFDR = 105.2dB

SINAD = 85.76dB

500

100

200

300

400

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