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AD4020

Data Sheet

Rev. A | Page 4 of 36

Parameter

Test Conditions/Comments

Min

Typ

Max

Unit

fIN = 100 kHz, −0.5 dBFS, VREF = 5 V

SNR

THD

−100

SINAD

96.5

fIN = 400 kHz, −0.5 dBFS, VREF = 5 V

SNR

92.5

THD

−94

SINAD

−3 dB Input Bandwidth

MHz

Aperture Delay

Aperture Jitter

ps rms

REFERENCE

Voltage Range (VREF)

2.4

5.1

Current

1.8 MSPS, VREF = 5 V

1.1

OVERVOLTAGE CLAMP

IIN+/IIN−

VREF = 5 V

VREF = 2.5 V

VIN+/VIN− at Maximum IIN+/IIN−

VREF = 5 V

5.4

VREF = 2.5 V

3.1

VIN+/VIN− Clamp On/Off Threshold

VREF = 5 V

5.25

5.4

VREF = 2.5 V

2.68

2.8

Deactivation Time

360

REF Current at Maximum IIN+/IIN−

VIN+/VIN− > VREF

100

µA

DIGITAL INPUTS

Logic Levels

Input Voltage Low (VIL)

VIO > 2.7 V

−0.3

+0.3 × VIO

VIO ≤ 2.7 V

−0.3

+0.2 × VIO

Input Voltage High (VIH)

VIO > 2.7 V

0.7 × VIO

VIO + 0.3

VIO ≤ 2.7 V

0.8 × VIO

VIO + 0.3

Input Current Low (IIL)

−1

µA

Input Current High (IIH)

−1

µA

Input Pin Capacitance

DIGITAL OUTPUTS

Data Format

Serial, 20 bits, twos complement

Pipeline Delay

Conversion results available immediately

after completed conversion

Output Voltage Low (VOL)

ISINK = 500 µA

0.4

Output Voltage High (VOH)

ISOURCE = −500 µA

VIO − 0.3

POWER SUPPLIES

VDD

1.71

1.8

1.89

VIO

1.71

5.5

Standby Current

VDD = 1.8 V, VIO = 1.8 V, TA = 25°C

1.6

µA

Power Dissipation

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

10 kSPS, high-Z mode disabled

µW

1 MSPS, high-Z mode disabled

8.3

1.8 MSPS, high-Z mode disabled

1 MSPS, high-Z mode enabled

10.8

1.8 MSPS, high-Z mode enabled

VDD Only

1.8 MSPS, high-Z mode disabled

9.0

REF Only

1.8 MSPS, high-Z mode disabled

5.0

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