Datasheet

TMP303A
TMP303B
www.ti.com SBOS486B –JULY 2009–REVISED JANUARY 2011
ELECTRICAL CHARACTERISTICS
At T
A
= –40°C to +125°C and V
S
= 1.4V to 3.6V, unless otherwise noted.
TMP303A, TMP303B
(1)
PARAMETER CONDITIONS MIN TYP MAX UNIT
TEMPERATURE MEASUREMENT
T
L
, T
H
Trip Point Accuracy
(2)
T
A
= +55°C to +60°C, V
S
= 3.3V ±0.2 ±1 °C
T
A
= 60°C, V
S
= 1.4V to 3.6V ±0.2 ±1.5 °C
vs. Supply ±0.1 °C/V
See Hysteresis Settings table on front
Hysteresis 1 10 °C
page
HYSTERESIS SET INPUT
Input Logic Levels:
V
IH
0.7 × V
S
3.6 V
V
IL
–0.5 0.3 × V
S
V
Input Current:
I
IN
0 < V
IN
< 3.6V 1 mA
SOH INPUT
Pulldown Resistor Value 80 100 120 kΩ
Input Logic Levels:
V
IH
0.7 × V
S
3.6 V
V
IL
–0.5 0.3 × V
S
V
Input Current V
IN
= 3.6V 36 mA
OUTPUT
Output Logic Levels
V
OH
V
S
> 2V, I
OH
= 0.5mA V
S
– 0.4 V
S
V
V
S
< 2V, I
OH
= 0.5mA V
S
– 0.2 × (V
S
) V
S
V
V
OL
V
S
> 2V, I
OL
= 1mA 0 0.4 V
V
S
< 2V, I
OL
= 1mA 0 0.2 × V
S
V
POWER SUPPLY
Specified Supply Voltage
V
S
1.4 3.6 V
Range
Power-up Start-up Time V
S
> 1.4V 20 28 35 ms
Quiescent Current I
Q
T
A
= –55°C to +60°C 3.5 5 mA
T
A
= –40°C to +125°C 4 8 mA
TEMPERATURE RANGE
Specified Range –40 +125 °C
Operating Range –55 +130 °C
Thermal Resistance, DRL q
JA
JEDEC Low-K Board 260 °C/W
(1) 100% of all units are production tested at T
A
= +25°C. Over temperature specifications are specified by design.
(2) T
L
, T
H
are device-specific. For example, TMP303A T
L
= 0°C, T
H
= 60°C; TMP303B T
L
= 0°C, T
H
= 55°C
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