AD7694 datasheet(4/24 Pages) AD

4 / 24 page

AD7988-1/AD7988-5

Data Sheet

Rev. B | Page 4 of 24

VDD = 2.5 V, VIO = 2.3 V to 5.5 V, VREF = 5 V, TA = –40°C to +125°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

2.0

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 OUTPUTS

Data Format

Serial 16 bits straight binary

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

Specified performance

2.3

5.5

VIO Range

1.8

5.5

Standby Current1, 2

VDD and VIO = 2.5 V, 25°C

0.35

AD7988-1 Power Dissipation

10 kSPS throughput

µW

100 kSPS throughput

700

µW

AD7988-5 Power Dissipation

500 kSPS throughput

3.5

Energy per Conversion

7.0

nJ/sample

TEMPERATURE RANGE

Specified Performance

TMIN to TMAX

−40

+125

°C

With all digital inputs forced to VIO or GND as required.

During the acquisition phase.

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