STCN75 Datasheet, PDF (28/35 Pages) STMicroelectronics – Digital temperature sensor and thermal watchdog

DC and AC parameters
STCN75
Table 12. DC and AC characteristics
Sym
Description
Test condition⁽¹⁾
Min Typ⁽²⁾ Max
Unit
V_DD Supply voltage
T_A = –55 to +125°C
2.7
5.5
V
V_DD supply current,
active temperature
I_DD ^conversions
V_DD supply current,
communication only
V_DD = 3.3V
T_A = 25°C
125
150
µA
70
100
µA
Shutdown mode supply
I_DD1 current, serial port
inactive
T_A = 25°C
1.0
µA
Accuracy for
corresponding range
2.7V ≤ V_DD ≤ 5.5V
Resolution
–25°C < T_A < 100
–55°C < T_A < 125
9-bit Temperature data
±2.0
°C
±3.0
°C
0.5 °C/LSB
9
bits
t_CONV
T_OS
Conversion time
Over-temperature
shutdown
9
Default value
45
85
ms
80
°C
T_HYS
V_OL1
Hysteresis
OS/INT saturation
voltage (V_DD = 5V)
V_IH Input logic high
Default value
75
°C
4mA sink current
0.5
V
Digital pins
(SCL, SDA, A2-A0)
0.5xV_DD
V_DD + 0.5 V
V_IL
V_OL2
CIN
Input logic low
Output logic low (SDA)
Capacitance
Digital pins
I_OL = 3mA
-0.45
0.3xV_DD
V
0.4
V
5
pF
I_OL SDA output low current
6
mA
1. Valid for ambient operating temperature: T_A = –55 to 125°C; V_DD = 2.7V to 5.5V (except where noted).
2. Typical numbers taken at V_DD= 3V, T_A = 25°C.
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