AD7685(2014) 데이터 시트보기 (PDF) - Analog Devices

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AD7685
(Rev.:2014)

16-Bit, 250 kSPS PulSAR ADC in MSOP

Analog Devices 

AD7685

Data Sheet

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

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 Delay

VOL

VOH

POWER SUPPLIES

VDD

VIO

VIO Range

Standby Current1, 2

Power Dissipation

TEMPERATURE RANGE3

Specified Performance

Test Conditions/Comments

250 kSPS, REF = 5 V

VDD = 5 V

ISINK = +500 µA

ISOURCE = −500 µA

Specified performance

Specified performance

VDD and VIO = 5 V, 25°C

VDD = 2.5 V, 100 SPS throughput

VDD = 2.5 V, 100 kSPS throughput

VDD = 2.5 V, 200 kSPS throughput

VDD = 5 V, 100 kSPS throughput

VDD = 5 V, 250 kSPS throughput

TMIN to TMAX

Min

Typ

Max

Unit

0.5

VDD + 0.3

V

50

µA

2

MHz

2.5

ns

–0.3

0.7 × VIO

−1

−1

0.3 × VIO

V

VIO + 0.3

V

+1

µA

+1

µA

Serial 16 bits straight binary

Conversion results available immediately

after completed conversion

0.4

V

VIO − 0.3

V

2.3

5.5

V

2.3

VDD + 0.3

V

1.8

VDD + 0.3

V

1

50

nA

1.4

µW

1.35

2.4

mW

2.7

4.8

mW

4

6

mW

10

15

mW

−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.

Rev. D | Page 4 of 28

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