DDC114

SBAS255C − JUNE 2004 − REVISED APRIL 2009

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4

ELECTRICAL CHARACTERISTICS (continued)

°C, AVDD = +5V, DVDD = 3V, VREF = +4.096V, Range 5 (250pC), and continuous mode operation, unless otherwise noted.

High-Speed Mode

Low-Power Mode

PARAMETER

UNITS

MAX

TYP

MIN

MAX

TYP

MIN

TEST CONDITIONS

DIGITAL INPUT/OUTPUT

Logic Levels

0.8DVDD

DVDD + 0.1

∗

∗

V

− 0.1

0.2DVDD

∗

∗

V

µA

DVDD − 0.4

V

µA

0.4

∗

V

±10

∗

µA

Straight Binary

∗

POWER-SUPPLY REQUIREMENTS

Analog Power-Supply Voltage (AVDD)

4.75

5.25

∗

∗

V

Digital Power-Supply Voltage (DVDD)

2.7

5.25

∗

∗

V

Supply Current

Total Analog Current

10.5

14.0

mA

Total Digital Current

DVDD = +3V

0.5

0.67

mA

Total Power Dissipation

DVDD = +3V

54

75

72

100

mW

Total Power Dissipation per Channel

DVDD = +3V

13.5

18.75

18

25

mW

(12)Data format is Straight Binary with a small offset. The number of bits in the output word is controlled by the FORMAT pin (see text).