AD871SE Ver la hoja de datos (PDF) - Analog Devices

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AD871SE

Complete 12-Bit 5 MSPS Monolithic A/D Converter

Analog Devices 

AD871–Dynamic Characteristics–Sample Rate: 5 MSPS

1

fIN = 750kHz

fIN Amplitude = –0.5dB

THD = –72dB

S/(N+D) = 68dB

SFDR = 73dB

6

8

2

HARMONICS – dB

2ND –81

3RD –73

4TH –94

5TH –85

6TH –90

7TH –99

8TH –90

9TH –103

5

2

3

4

9

Figure 6. AD871 Typical FFT, fIN = 750 kHz

1

fIN = 2MHz

fIN AMPLITUDE = –0.5dB

THD = –63dB

S/(N+D) = 61dB

SFDR = 63dB

HARMONICS – dB

2ND

–87

3RD

–63

4TH

–95

5TH

–83

6TH

–88

7TH

–91

3

8TH

–88

9TH

–95

5

82

7

69

Figure 7. AD871 Typical FFT, fIN = 2 MHz

1500000

1000000

1635819

500000

1094

0

–1

1487

0

1

DEVIATION FROM CORRECT CODE (LSB)

Figure 8. AD871 Output Code Histogram for DC Input

100

90

80

70

60

50

40

30

20

10

0

CODE X

␴ = 0.166 LSB RMS

CODE X + 1

Figure 9. AD871 Code Probability at a Transition

–8–

REV. A

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