ADS1601

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SBAS322D

– DECEMBER 2004 – REVISED OCTOBER 2011

ELECTRICAL CHARACTERISTICS (continued)

All specifications at TA = –40°C to +85°C, AVDD = 5V, DVDD = IOVDD = 3V, fCLK = 20MHz, VREF = +3V, VCM = +2.7V, and

RBIAS = 60kΩ, unless otherwise noted.

ADS1601

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Clock Input

Frequency (fCLK)

20

MHz

Duty cycle

fCLK = 20MHz

45

55

%

Digital Input/Output

VIH

0.7

× IOVDD

IOVDD

V

VIL

DGND

0.3

× IOVDD

V

VOH

IOH = 50μA

IOVDD

– 0.5

V

VOL

IOL = 50μA

DGND + 0.5

V

Input leakage

DGND

< VDIGIN < IOVDD

±10

μA

Power-Supply Requirements

AVDD

4.75

5.25

V

DVDD

2.7

3.3

V

IOVDD

IOH = 50μA

2.7

5.25

V

REFEN = low

65

77

mA

AVDD current (IAVDD)

REFEN = high

55

65

mA

DVDD current (IDVDD)

IOVDD = 3V

15

18

mA

IOVDD current (IIOVDD)

IOVDD = 3V

3

8

mA

AVDD = 5V, DVDD = 3V, IOVDD = 3V,

330

380

mW

REFEN = high

Power dissipation

PD = low, CLK disabled

10

mW

Temperature Range

Specified

–40

+85

°C

Operating

–40

+105

°C

Storage

–60

+150

°C

Copyright

© 2004–2011, Texas Instruments Incorporated

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