AD7989-5BCPZ-R2 datasheet(4/24 Pages) AD

4 / 24 page

AD7989-1/AD7989-5

Data Sheet

Rev. B | Page 4 of 24

VDD = 2.5 V, VIO = 1.71 V to 5.5 V, VREF = 5 V, TA = −40°C to +85°C, unless otherwise noted.

Table 3.

Parameter

Test Conditions/Comments

Min

Typ

Max

Unit

REFERENCE

Voltage Range

2.4

5.1

Load Current

VREF = 5 V

250

μA

SAMPLING DYNAMICS

−3 dB Input Bandwidth

MHz

Aperture Delay

VDD = 2.5 V

DIGITAL INPUTS

Logic Levels

VIL

VIO > 3 V

–0.3

+0.3 × VIO

VIO ≤ 3 V

–0.3

+0.1 × VIO

VIH

VIO > 3 V

0.7 × VIO

VIO + 0.3

VIO ≤ 3 V

0.9 × VIO

VIO + 0.3

IIL

−1

μA

IIH

−1

μA

DIGITAL OUTPUTS

Data Format

Serial, 18 bits, twos complement

Pipeline Delay

Conversion results available immediately

after completed conversion

VOL

ISINK = +500 μA

0.4

VOH

ISOURCE = −500 μA

VIO − 0.3

POWER SUPPLIES

VDD

2.375

2.5

2.625

VIO

1.71

5.5

Standby Current1, 2

VDD and VIO = 2.5 V, 25°C

0.35

μA

AD7989-1 Power Dissipation

VDD = 2.625 V, VREF = 5 V, VIO = 3 V

Total

10 kSPS throughput

μW

100 kSPS throughput

700

860

μW

VDD Only

400

μW

REF Only

170

μW

VIO Only

130

μW

AD7989-5 Power Dissipation

VDD = 2.625 V, VREF = 5 V, VIO = 3 V

Total

500 kSPS throughput

3.5

4.3

VDD Only

REF Only

0.85

VIO Only

0.65

Energy per Conversion

7.0

nJ/sample

TEMPERATURE RANGE

Specified Performance

TMIN to TMAX

−40

+85

°C

1 With all digital inputs forced to VIO or ground as required.

2 During acquisition phase.

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