Datasheet

ADS1131
SBAS449C –JULY 2009–REVISED OCTOBER 2013 www.ti.com
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
THERMAL METRIC
(1)
D UNITS
16 PINS
θ
JA
Junction-to-ambient thermal resistance 133.8
θ
JC(top)
Junction-to-case(top) thermal resistance 71.4
θ
JB
Junction-to-board thermal resistance 60.0
°C/W
ψ
JT
Junction-to-top characterization parameter 17.4
ψ
JB
Junction-to-board characterization parameter 53.3
θ
JC(bottom)
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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