AD7664 View Datasheet(PDF) - Analog Devices

Part Name

Description

Manufacturer

AD7664

16-Bit, 570 kSPS PulSAR® Unipolar CMOS ADC

Analog Devices 

0

–20

–40

–60

–80

–100

–120

–140

–160

–180

0

8192 POINT FFT

fS = 570kHz

fIN = 45.5322kHz, –0.5dB

SNR = 90.1dB

SINAD = 89.4dB

THD = –97.1dB

SFDR = 97.5dB

57

114

171

228

285

FREQUENCY (kHz)

TPC 7. FFT Plot

100

16.0

95

15.5

SNR

90

15.0

S/(N+D)

85

14.5

ENOB

80

14.0

75

13.5

70

13.0

1

10

100

1000

FREQUENCY – kHz

TPC 8. SNR, S/(N+D), and ENOB vs. Frequency

–60

–65

–70

SFDR

–75

–80

–85

–90

–95

SECOND HARMONIC

–100

THD

–105

–110

1

THIRD HARMONIC

10

100

FREQUENCY – kHz

110

105

100

95

90

85

80

75

70

65

60

1000

TPC 9. THD, Harmonics, and SFDR vs. Frequency

AD7664

92

SNR

90

S/(N+D)

88

86

–60

–50

–40

–30

–20

–10

0

INPUT LEVEL – dB

TPC 10. SNR and S/(N+D) vs. Input Level

(Referred to Full Scale)

96

–96

93

–98

THD

90

–100

SNR

87

–102

84

–55 –35 –15

5 25 45 65

TEMPERATURE – ؇C

–104

85 105 125

TPC 11. SNR, S/(N+D), THD vs. Temperature

100k

10k

AVDD, WARP/NORMAL

1k DVDD, WARP/NORMAL

100

AVDD, IMPULSE

DVDD, IMPULSE

10

1

0.1

OVDD, ALL MODES

0.01

0.001

0.1

1

10

100

1k

10k 100k 1M

SAMPLING RATE – SPS

TPC 12. Operating Currents vs. Sample Rate

REV. E

–9–

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