TMP121

TMP123

SBOS273C − JUNE 2003 − REVISED FEBRUARY 2005

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3

ELECTRICAL CHARACTERISTICS

At TA = −40°C to +125°C and V+ = 2.7V to 5.5V, unless otherwise noted.

TMP121, TMP123

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNIT

TEMPERATURE INPUT

Range

−40

+125

°C

Accuracy (temperature error)

−25

°C to +85°C

±0.5

±1.5

°C

−40

°C to +125°C

±1.0

±2.0

°C

−40

°C to +150°C

±1.5

°C

vs Supply

−0.3

0.1

+0.3

°C/V

Resolution

±0.0625

°C

DIGITAL INPUT/OUTPUT

Input Logic Levels:

VIH

0.7(V+)

V

VIL

0.3(V+)

V

Input Current, SO, SCK, CS

IIN

0V

≤ VIN ≤ V+

±1

µA

Output Logic Levels:

VOL SO

ISINK = 3mA

0.4

V

VOH SO

ISOURCE = 2mA

(V+)−0.4

V

Resolution

12

Bits

Input Capacitance, SO, SCK, CS

2.5

pF

Conversion Time

12-Bit

240

320

ms

Conversion Period(1)

12-Bit

480

640

ms

POWER SUPPLY

Operating Range

2.7

5.5

V

Quiescent Current

IQ

Serial Bus Inactive

35

50

µA

Shutdown Current (TMP121)

ISD

Serial Bus Inactive

0.1

1

µA

Shutdown Current (TMP123)

ISD

Serial Bus Inactive

0.1

3

µA

TEMPERATURE RANGE

Specified Range

−40

+125

°C

Operating Range

−55

+150

°C

Storage Range

−60

+150

°C

Thermal Resistance

qJA

SOT23-6 Surface-Mount

200

°C/W

(1) Period indicates time between conversion starts.