STTS751 datasheet(26/36 Pages) STMICROELECTRONICS

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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

VDD

Supply voltage

2.25

3.6

IDD

Operating current dependent upon

conversion rate

0.0625

conversions/second(3)

µA

1 conversion/second(3)

µA

8 conversions/second

µA

32 conversions/second

125

250

µA

ISB

Standby current

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

bits

11-bit temperature data

0.125

°C/LSB

bits

12-bit temperature data

0.0625

°C/LSB

bits

tCONV

Conversion time

9-bit

10.5

10-bit (default)

11-bit

12-bit

112

VOL

Low level output voltage

Addr/Therm, EVENT

IOL = 4 mA

0.4

IOH

High level output leakage current

EVENT, SDA, Addr/Therm

VOH = VDD

1µA

SMBus interface inputs (SDA, SCL)

VIH

Input logic high (SCL, SDA)

2.3 V

≤ VDD ≤ 3.6 V

0.7 x

VDD

VIL

Input logic low (SCL, SDA)

2.3 V

≤ VDD ≤ 3.6 V

0.3 x

VDD

IHI

Logical "1" input current

0 V

≤ VIN ≤ VDD

–1

µA

ILI

Logical "0" input current

0 V

≤ VIN ≤ VDD

–1

µA

CIN

Input capacitance (SDA)

ISINK

SMBus output low sink current

SDA forced to 0.6 V

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