EVAL-AD7691CB 데이터 시트보기 (PDF) - Analog Devices

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EVAL-AD7691CB

18-Bit, 1.5 LSB INL, 250 kSPS PulSAR® Differential ADC in MSOP/QFN

Analog Devices 

AD7691

VDD = 2.3 V to 5.25 V, VIO = 2.3 V to VDD, VREF = VDD, all specifications TMIN to TMAX, unless otherwise noted.

Table 3.

Parameter

REFERENCE

Voltage Range

Load Current

SAMPLING DYNAMICS

−3 dB Input Bandwidth

Aperture Delay

DIGITAL INPUTS

Logic Levels

VIL

VIH

IIL

IIH

DIGITAL OUTPUTS

Data Format

Pipeline Delay1

VOL

VOH

POWER SUPPLIES

VDD

VIO

VIO Range

Standby Current2, 3

Power Dissipation

Energy per Conversion

TEMPERATURE RANGE4

Specified Performance

Conditions/Comments

Min

0.5

250 kSPS, REF = 5 V

VDD = 5 V

Serial 18-bit, twos

complement.

ISINK = +500 μA

ISOURCE = −500 μA

Specified performance

Specified performance

VDD and VIO = 5 V, 25°C

100 SPS throughput

100 kSPS throughput

250 kSPS throughput

−0.3

0.7 × VIO

−1

−1

VIO − 0.3

2.3

2.3

1.8

TMIN to TMAX

−40

Typ

Max

VDD + 0.3

60

2

2.5

+0.3 × VIO

VIO + 0.3

+1

+1

0.4

5.25

VDD + 0.3

VDD + 0.3

1

50

5

4

5

50

+85

1 Conversion results are available immediately after completed conversion.

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

3 During acquisition phase.

4 Contact an Analog Devices, Inc., sales representative for extended temperature range.

Unit

V

μA

MHz

ns

V

V

μA

μA

V

V

V

V

V

nA

μW

mW

mW

nJ/sample

°C

Rev. 0 | Page 4 of 28

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