AD7690 查看數據表（PDF） - Analog Devices

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AD7690

18-Bit, 1.5 LSB INL, 400 kSPS PulSAR® Differential ADC in MSOP/LFCSP

Analog Devices 

AD7690

Data Sheet

VDD = 4.75 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 Delay

VOL

VOH

POWER SUPPLIES

VDD

VIO

VIO Range

Standby Current1, 2

Power Dissipation

Energy per Conversion

TEMPERATURE RANGE3

Specified Performance

Conditions

400 kSPS, REF = 5 V

VDD = 5 V

Min

Typ

Max

0.5

VDD + 0.3

100

9

2.5

−0.3

0.7 × VIO

−1

−1

+0.3 × VIO

VIO + 0.3

+1

+1

ISINK = +500 µA

ISOURCE = −500 µA

Serial 18 bits, twos complement

Conversion results available immediately

after completed conversion

0.4

VIO − 0.3

Specified performance

4.75

Specified performance

2.3

1.8

VDD and VIO = 5 V, 25°C

VDD = 5 V, 100 SPS throughput

VDD = 5 V, 100 kSPS throughput

VDD = 5 V, 400 kSPS throughput

5.25

VDD + 0.3

VDD + 0.3

1

50

4.25

4.25

5

17

20

50

TMIN to TMAX

−40

+85

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

2 During acquisition phase.

3 Contact an Analog Devices, Inc., sales representative for the 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. C | Page 4 of 24

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