ADS1602

SBAS341B − DECEMBER 2004 − REVISED APRIL 2005

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5

ELECTRICAL CHARACTERISTICS (continued)

All specifications at TA = −40°C to +85°C, AVDD = 5V, DVDD = IOVDD = 3V, fCLK = 40MHz, External VREF = +3V, VCM = +1.45V,

and RBIAS = 37kΩ, unless otherwise noted.

ADS1602

PARAMETER

UNIT

MAX

TYP

MIN

TEST CONDITIONS

Clock Input

40

MHz

Duty Cycle

45

55

%

Digital Input/Output

0.7 x IOVDD

IOVDD

V

DGND

0.3 x IOVDD

V

IOVDD − 0.5

V

DGND + 0.5

V

Input leakage

±10

µA

Power-Supply Requirements

AVDD

4.75

5.25

V

DVDD

2.7

3.3

V

IOVDD

2.7

5.25

V

REFEN = low

110

125

mA

REFEN = high

88

98

mA

IOVDD = 3V

25

30

mA

IOVDD = 3V

8

10

mA

Power dissipation

AVDD = 5V, DVDD = 3V,

IOVDD = 3V, REFEN = high

530

610

mW

Power dissipation

PD = low, CLK disabled

10

mW

Temperature Range

Specified

−40

+85

°C

Operating

−40

+105

°C

Storage

−60

+150

°C