ADS1131

SBAS449B

– JULY 2009 – REVISED SEPTEMBER 2011

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ELECTRICAL CHARACTERISTICS (continued)

Minimum/maximum limit specifications apply from

–40°C to +85°C. Typical specifications at +25°C.

All specifications at AVDD = DVDD = VREFP = +5V, and VREFN = GND, unless otherwise noted.

ADS1131

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNIT

POWER SUPPLY

Power-supply voltage (AVDD, DVDD)

3

5.3

V

Normal mode, AVDD = 3V

900

μA

Normal mode, AVDD = 5V

900

μA

Analog supply current

Standby mode

0.1

μA

Power-down

0.1

μA

Normal mode, DVDD = 3V

60

μA

Normal mode, DVDD = 5V

95

μA

Digital supply current

Standby mode, SCLK = high, DVDD = 3V

45

μA

Standby mode, SCLK = high, DVDD = 5V

65

μA

Power-down

0.2

μA

Normal mode, AVDD = DVDD = 3V

2.9

mW

Power dissipation, total

Normal mode, AVDD = DVDD = 5V

5.0

mW

TEMPERATURE

Operating temperature range

–40

+85

°C

Specified temperature range

–40

+85

°C

THERMAL INFORMATION

ADS1131D

D

UNITS

16 PINS

Junction-to-ambient thermal resistance

133.8

Junction-to-case(top) thermal resistance

71.4

Junction-to-board thermal resistance

60.0

°C/W

Junction-to-top characterization parameter

17.4

Junction-to-board characterization parameter

53.3

Junction-to-case(bottom) thermal resistance

n/a

(1)

For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.

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