Datasheet

DC and AC parameters STTS751
26/36 Doc ID 16483 Rev 5
Table 28. DC and AC characteristics
Symbol Description Test condition
(1)
Min Typ
(2)
Max Unit
V
DD
Supply voltage 2.25 3.6 V
I
DD
Operating current dependent upon
conversion rate
0.0625
conversions/second
(3)
15 35 µA
1 conversion/second
(3)
20 40 µA
8 conversions/second 50 85 µA
32 conversions/second 125 250 µA
I
SB
Standby current 3 8 µA
Temperature measurement
Accuracy
(4)
2.25 V to 3.6 V
0 °C to 85 °C ±1.0 ±1.5 °C
–40 °C to +125 °C ±2.0 ±2.5 °C
Resolution
STTS751 is programmable from 9 bits
to 12 bits (0.5 °C/LSB to 0.0625 °C)
9-bit
temperature data
0.5 °C/LSB
9bits
10-bit temperature data
(default)
0.25 °C/LSB
10 bits
11-bit temperature data
0.125 °C/LSB
11 bits
12-bit temperature data
0.0625 °C/LSB
12 bits
t
CONV
Conversion time
9-bit 10.5 14 ms
10-bit (default) 21 28 ms
11-bit 42 56 ms
12-bit 84 112 ms
V
OL
Low level output voltage
Addr/Therm
, EVENT
I
OL
= 4 mA 0.4 V
I
OH
High level output leakage current
EVENT
, SDA, Addr/Therm
V
OH
= V
DD
1µA
SMBus interface inputs (SDA, SCL)
V
IH
Input logic high (SCL, SDA) 2.3 V ≤ V
DD
≤ 3.6 V
0.7 x
V
DD
V
V
IL
Input logic low (SCL, SDA) 2.3 V ≤ V
DD
≤ 3.6 V
0.3 x
V
DD
V
I
HI
Logical "1" input current 0 V ≤ V
IN
≤ V
DD
–1 1 µA
I
LI
Logical "0" input current 0 V ≤ V
IN
≤ V
DD
–1 1 µA
C
IN
Input capacitance (SDA) 5 pF
I
SINK
SMBus output low sink current SDA forced to 0.6 V 6 mA