AD4003BRMZ-RL7 datasheet(5/34 Pages) AD

部件名	AD4003BRMZ-RL7

功能描述	18-Bit, 2 MSPS Precision SAR Differential ADC

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制造商	AD [Analog Devices]

网页	http://www.analog.com

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5 / 34 page

AD4003

Data Sheet

Rev. 0 | Page 4 of 33

Parameter

Test Conditions/Comments

Min

Typ

Max

Unit

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

2 MSPS, VREF = 5 V

1.1

mA

OVERVOLTAGE CLAMP

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

DIGITAL OUTPUTS

Data Format

Serial 18 bits, twos complement

Pipeline Delay

Conversion results available immediately

after completed conversion

Output Low Voltage, VOL

ISINK = 500 µA

0.4

V

Output High Voltage, VOH

ISOURCE = −500 µA

VIO − 0.3

V

POWER SUPPLIES

VDD

1.71

1.8

1.89

V

VIO

1.71

5.5

V

Standby Current

VDD = 1.8 V, VIO = 1.8 V, T = 25°C

1.6

µA

Power Dissipation

VDD = 1.8 V, VIO = 1.8 V, VREF = 5 V

10 kSPS, high-Z mode disabled

80

µW

1 MSPS, high-Z mode disabled

8

mW

2 MSPS, high-Z mode disabled

16

18.5

mW

1 MSPS, high-Z mode enabled

10

mW

2 MSPS, high-Z mode enabled

20

24.5

mW

VDD Only

2 MSPS, high-Z mode disabled

9.5

mW

REF Only

2 MSPS, high-Z mode disabled

5.5

mW

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