AD7946BCPZRL 查看數據表（PDF） - Analog Devices

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AD7946BCPZRL

14-Bit, 500 kSPS PulSAR ADC in MSOP

Analog Devices 

AD7946

VDD = 4.5 V to 5.5 V, VIO = 2.3 V to VDD, REF = 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

Conditions

500 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 = 5 V, 100 SPS throughput

VDD = 5 V, 100 kSPS throughput

VDD = 5 V, 500 kSPS throughput

TMIN to TMAX

Min

Typ

Max

Unit

0.5

VDD + 0.3

V

100

μA

9

MHz

2.5

ns

−0.3

0.7 × VIO

−1

−1

0.3 × VIO

V

VIO + 0.3

V

+1

μA

+1

μA

Serial 14-bits straight binary

Conversion results available immediately

after completed conversion

0.4

V

VIO − 0.3

V

4.5

5.5

V

2.3

VDD + 0.3

V

1.8

VDD + 0.3

V

1

50

nA

3.3

μW

3.3

3.8

mW

19

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 the temperature range.

Rev. A | Page 4 of 24

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