Datasheet
ELECTRICAL CHARACTERISTICS
TMP122-EP
www.ti.com
.......................................................................................................................................................................................... SBOS454 – NOVEMBER 2008
over operating free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Temperature Range -55 125 ° C
input
-25 ° C to 85 ° C ± 0.5 ± 1.5
Accuracy (temperature error) -55 ° C to 125 ° C ± 1.0 ± 2.0 ° C
-55 ° C to 150 ° C ± 1.5
vs supply 0.1 ° C/V
Resolution
(1)
Selectable ± 0.0625 ° C
Digital V
IH
0.7 (V+) V
input/output
V
IL
0.3 (V+) V
Input current, SO/I, SCK, CS 0 V ≤ V
IN
≤ V+ ± 1 µ A
V
OL
SO/I I
SINK
= 3mA 0.4 V
V
OH
SO/I I
SOURCE
= 2mA (V+) - 0.4 V
V
OL
ALERT I
SINK
= 4mA 0.4 V
Leakage current ALERT 0 V ≤ V
IN
≤ 6 V ± 1 µ A
Input capacitance, SO/I, SCK, CS, 2.5 pF
ALERT
Reolution Selectable 9 to 12 + sign bits
Conversion time 9 bit + sign 30 40
10 bit + sign 60 80
ms
11 bit + sign 120 160
12 bit + sign 240 320
Power supply Operating range 2.7 5.5 V
Quiescent current I
Q
Serial bus inactive 50 75
µ A
Shutdown current I
SD
Serial bus inactive 0.1 1
Temperature Specified range -55 125
range
Operating range -55 150 ° C
Storage range -60 150
Thermal resistance, θ
JA
SOT23-6 200
° C/W
surface-mount
(1) Specified for 12-bit resolution.
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