ADA8282 datasheet(4/27 Pages) AD

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AD8283

Data Sheet

Rev. C | Page 4 of 27

AD8283W

Parameter1

Conditions

Min

Typ

Max

Unit

ADC

Resolution

Bits

Max Sample Rate

MSPS

Signal-to-Noise Ratio (SNR)

fIN = 1 MHz

68.5

Signal-to-Noise and Distortion

(SINAD)

SNRFS

Differential Nonlinearity (DNL)

Guaranteed no missingcodes

LSB

Integral Nonlinearity (INL)

LSB

Effective Number of Bits (ENOB)

10.67

LSB

ADC Output Characteristics

Maximum Cap Load

Per bit

IDVDD33 Peak Current with Cap Load

Peak current per bit when driving a

20 pF load; can be programmedvia

the SPI port if required

ADC REFERENCE

Output VoltageError

VREF = 1.024 V

±25

LoadRegulation

At 1.0 mA, VREF = 1.024 V

Input Resistance

kΩ

FULL CHANNEL CHARACTERISTICS

LNA, PGA, AAF, and ADC

SNRFS

FIN = 1 MHz

Gain = 16 dB

Gain = 22 dB

Gain = 28 dB

Gain = 34 dB

SINAD

FIN = 1 MHz

Gain = 16 dB

Gain = 22 dB

Gain = 28 dB

Gain = 34 dB

SFDR

FIN = 1 MHz

Gain = 16 dB

Gain = 22 dB

Gain = 28 dB

Gain = 34 dB

Harmonic Distortion

Second Harmonic

FIN =1 MHz at −10 dBFS, gain = 16 dB

−70

dBc

FIN =1 MHz at −10 dBFS, gain = 34 dB

−70

dBc

Third Harmonic

FIN =1 MHz at −10 dBFS, gain = 16 dB

−66

dBc

FIN =1 MHz at −10 dBFS, gain = 34 dB

−75

dBc

IM3 Distortion

FIN1 = 1 MHz, FIN2 = 1.1 MHz, −1 dBFS,

gain = 34 dB

−69

dBc

Gain Response Time

600

Overdrive Recovery Time

200

See the AN-835 Application Note,UnderstandingHighSpeed ADC Testing and Evaluation, for a complete set of definitions and how these tests were completed.

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