AD8021 datasheet(4/28 Pages) AD

4 / 28 page

AD7685

Rev. C | Page 4 of 28

VDD = 2.3 V to 5.5 V, VIO = 2.3 V to VDD, VREF = VDD, TA = –40°C to +85°C, unless otherwise noted.

Table 3.

Parameter

Conditions

Min

Typ

Max

Unit

REFERENCE

Voltage Range

0.5

VDD + 0.3

Load Current

250 kSPS, REF = 5 V

μA

SAMPLING DYNAMICS

−3 dB Input Bandwidth

MHz

Aperture Delay

VDD = 5 V

2.5

DIGITAL INPUTS

Logic Levels

VIL

–0.3

0.3 × VIO

VIH

0.7 × 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

Specified performance

2.3

5.5

VIO

Specified performance

2.3

VDD + 0.3

VIO Range

1.8

VDD + 0.3

Standby Current1, 2

VDD and VIO = 5 V, 25°C

Power Dissipation

VDD = 2.5 V, 100 SPS throughput

1.4

μW

VDD = 2.5 V, 100 kSPS throughput

1.35

2.4

VDD = 2.5 V, 200 kSPS throughput

2.7

4.8

VDD = 5 V, 100 kSPS throughput

VDD = 5 V, 250 kSPS throughput

TEMPERATURE RANGE3

Specified Performance

TMIN to TMAX

−40

+85

°C

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

2 During acquisition phase.

3 Contact sales for extended temperature range.

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