Datasheet

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SBOS273C − JUNE 2003 − REVISED FEBRUARY 2005
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3
ELECTRICAL CHARACTERISTICS
At T
A
= −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:
V
IH
0.7(V+) V
V
IL
0.3(V+) V
Input Current, SO, SCK, CS I
IN
0V ≤ V
IN
≤ V+ ±1 µA
Output Logic Levels:
V
OL
SO I
SINK
= 3mA 0.4 V
V
OH
SO I
SOURCE
= 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 I
Q
Serial Bus Inactive 35 50 µA
Shutdown Current (TMP121) I
SD
Serial Bus Inactive 0.1 1 µA
Shutdown Current (TMP123) I
SD
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 q
JA
SOT23-6 Surface-Mount 200 °C/W
(1)
Period indicates time between conversion starts.