AD4003_17 datasheet(5/38 Pages) AD

Part #	AD4003

Description	Precision, Differential SAR ADCs

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Manufacturer	AD [Analog Devices]

Direct Link	http://www.analog.com

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5 / 38 page

Data Sheet

AD4003/AD4007/AD4011

Rev. B | Page 5 of 38

Parameter

Test Conditions/Comments

Min

Typ

Max

Unit

AC ACCURACY

Dynamic Range

101

dB

Total RMS Noise

31.5

μV rms

fIN = 1 kHz, −0.5 dBFS, VREF = 5 V

Signal-to-Noise Ratio (SNR)

99

100.5

dB

Spurious-Free Dynamic Range (SFDR)

122

dB

Total Harmonic Distortion (THD)

−123

dB

Signal-to-Noise-and-Distortion Ratio

(SINAD)

98.5

100

dB

Oversampled Dynamic Range

Oversampling ratio (OSR) = 256,

VREF = 5 V

122

dB

fIN = 1 kHz, −0.5 dBFS, VREF = 2.5 V

SNR

93.5

94.5

dB

SFDR

122

dB

THD

−119

dB

SINAD

93

94

dB

fIN = 100 kHz, −0.5 dBFS, VREF = 5 V

SNR

99

dB

THD

−100

dB

SINAD

96.5

dB

fIN = 400 kHz, −0.5 dBFS, VREF = 5 V

SNR

91.5

dB

THD

−94

dB

SINAD

90

dB

−3 dB Input Bandwidth

10

MHz

Aperture Delay

1

ns

Aperture Jitter

1

ps rms

REFERENCE

Voltage Range, VREF

2.4

5.1

V

Current

AD4003

2 MSPS

1.1

mA

AD4007

1 MSPS

0.5

mA

AD4011

500 kSPS

0.26

mA

INPUT OVERVOLTAGE CLAMP

IN+/IN− Current, IIN+/IIN−

VREF = 5 V

50

mA

VREF = 2.5 V

50

mA

VIN+/VIN− at Maximum IIN+/IIN−

VREF = 5 V

5.4

V

VREF = 2.5 V

3.1

V

VIN+/VIN− Clamp On/Off Threshold

VREF = 5 V

5.25

5.4

V

VREF = 2.5 V

2.68

2.8

V

Deactivation Time

360

ns

REF Current at Maximum IIN+/IIN−

VIN+/VIN− > VREF

100

μA

DIGITAL INPUTS

Logic Levels

Input Low Voltage, VIL

VIO > 2.7 V

−0.3

+0.3 × VIO

V

VIO ≤ 2.7 V

−0.3

+0.2 × VIO

V

Input High Voltage, VIH

VIO > 2.7 V

0.7 × VIO

VIO + 0.3

V

VIO ≤ 2.7 V

0.8 × VIO

VIO + 0.3

V

Input Low Current, IIL

−1

+1

μA

Input High Current, IIH

−1

+1

μA

Input Pin Capacitance

6

pF

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