ADAS3022 datasheet(5/40 Pages) AD

5 / 40 page

Data Sheet

ADAS3022

Rev. A | Page 5 of 40

Parameter

Test Conditions/Comments

Min

Typ

Max

Unit1

AC Performance

Internal reference

Signal-to-Noise Ratio (SNR)

90.0

93.0

Signal-to-Noise-and-Distortion

(SINAD)

89.5

92.5

Total Harmonic Distortion

−105

Spurious-Free Dynamic Range

(SFDR)

110

INTERNAL REFERENCE

REFx Output Voltage

TA = 25°C

4.088

4.096

4.104

REFx Output Current

TA = 25°C

250

µA

REFx Temperature Drift

REFEN = 1

±5

ppm/°C

REFEN = 0

±1

ppm/°C

REFx Line Regulation

AVDD = 5 V ± 5%

Internal Reference

µV/V

Buffer Only

µV/V

REFIN Output Voltage4

TA = 25°C

2.495

2.500

2.505

Turn-On Settling Time

CREFIN, CREF1, CREF2 = 10 µF and 0.1 µF

100

EXTERNAL REFERENCE

Voltage Range

REFx input

4.000

4.096

4.104

REFIN input (buffered)

2.5

2.505

Current Drain

VREF = 4.096 V

100

µA

TEMPERATURE SENSOR

Output Voltage

TA = 25 °C

275

Temperature Sensitivity

800

µV/°C

DIGITAL INPUTS

Logic Levels

VIL

VIO > 3 V

−0.3

+0.3 × VIO

VIH

VIO > 3 V

0.7 × VIO

VIO + 0.3

VIL

VIO ≤ 3 V

−0.3

+0.1 × VIO

VIH

VIO ≤ 3 V

0.9 × VIO

VIO + 0.3

IIL

−1

µA

IIH

−1

µA

DIGITAL OUTPUTS5

Data Format

Twos complement

VOL

ISINK = +500 µA

0.4

VOH

ISOURCE = −500 µA

VIO − 0.3

POWER SUPPLIES

PD = 0

VIO

1.8

AVDD + 0.3

AVDD

4.75

5.25

DVDD

4.75

5.25

VDDH6

VDDH > input voltage + 2.5 V

14.25

15.75

VSSH6

VSSH < input voltage − 2.5 V

−15.75

−15

−14.25

IVDDH

PGIA gain = 0.16

3.0

3.5

PGIA gain = 0.2

3.0

3.5

PGIA gain = 0.4

3.5

4.0

PGIA gain = 0.8

5.0

5.5

PGIA gain = 1.6

8.5

9.5

PGIA gain = 3.2

15.5

17.5

PGIA gain = 6.4

15.5

17.5

All PGIA gains, PD = 1

100

µA

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