AD7761BSTZ datasheet(6/69 Pages) AD

6 / 69 page

AD7761

Data Sheet

Rev. 0 | Page 6 of 69

Parameter

Test Conditions/Comments

Min

Typ

Max

Unit

LVDS Clock2

RL = 100 Ω

Differential Input Voltage

100

650

Common-Mode Input Voltage

800

1575

Absolute Input Voltage

1.88

ADC RESET2

ADC Start-Up Time After Reset6

Time to first DRDY, fast mode,

decimation by 32

1.58

1.66

Minimum RESET Low Pulse Width

tMCLK = 1/MCLK

2 × tMCLK

LOGIC INPUTS

Input Voltage2

High, VINH

0.65 ×

IOVDD

Low, VINL

2.25 V < IOVDD < 3.6 V

0.7

1.72 V < IOVDD < 1.88 V

0.4

Hysteresis2

2.25 V < IOVDD < 3.6 V

0.04

0.09

1.72 V < IOVDD < 1.88 V

0.04

0.2

Leakage Current

−10

+0.03

+10

μA

RESET pin7

−10

+10

μA

LOGIC OUTPUTS

Output Voltage2

High, VOH

ISOURCE = 200 μA

0.8 ×

IOVDD

Low, VOL

ISINK = 400 μA

0.4

Leakage Current

Floating state

−10

+10

μA

Output Capacitance

Floating state

SYSTEM CALIBRATION2

Full-Scale Calibration Limit

1.05 × VREF

Zero-Scale Calibration Limit

−1.05 × VREF

Input Span

0.4 × VREF

2.1 × VREF

POWER REQUIREMENTS

Power Supply Voltage

AVDD1 − AVSS

4.5

5.0

5.5

AVDD2 − AVSS

2.0

2.25 to 5.0

5.5

AVSS − DGND

−2.75

IOVDD − DGND

1.72

1.8 or 2.5 to

3.3

3.6

POWER SUPPLY CURRENTS

Maximum output data rate, CMOS

MCLK, eight DOUTx signals, all

supplies at maximum voltages, all

channels in Channel Mode A

Eight Channels Active

Fast Mode

AVDD1 Current

Precharge reference buffers off/on

36/57.5

40/64

AVDD2 Current

37.5

IOVDD Current

Wideband filter

Sinc5 filter2

Median Mode

AVDD1 Current

Precharge reference buffers off/on

18.5/29

AVDD2 Current

21.3

IOVDD Current

Wideband filter

Sinc5 filter

AD7761BSTZ Datasheet(PDF) 6 Page - Analog Devices

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