STTS75DS2F STMicroelectronics, STTS75DS2F Datasheet - Page 5

• Manufacturer Part Number: STTS75DS2F
• Description: IC TEMP SENSOR DGTL WCHDG 8MSOP
• Manufacturer: STMicroelectronics

Specifications of STTS75DS2F

• Function: Temp Sensor, Watchdog
• Topology: ADC (Sigma Delta), Comparator, Register Bank
• Sensor Type: Internal
• Sensing Temperature: -55°C ~ 125°C
• Output Type: I²C™/SMBus™
• Output Alarm: Yes
• Output Fan: No
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -55°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Full Temp Accuracy: +/- 3 C
• Digital Output - Bus Interface: Serial (2-Wire, I2C)
• Digital Output - Number Of Bits: 12 bit
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 55 C
• For Use With: 497-8844 - EVAL DAUGHTER STTS75 8-TSSOP497-8419 - BOARD ST72651AR6/STTS75/STLM20
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-6331-2

STTS75
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Logic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Connections (SO8, TSSOP8) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Functional block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Typical 2-wire interface connection diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
OS output temperature response diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Serial bus data transfer sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Acknowledgement sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Slave address location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Typical 2-byte READ from preset pointer location (e.g. temp - T
Typical pointer set followed by an immediate READ for 2-byte register (e.g. temp). . . . . . 25
Typical 1-byte READ from the configuration register with preset pointer . . . . . . . . . . . . . . 25
Typical pointer set followed by an immediate READ from the configuration register . . . . . 26
Configuration register WRITE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
T
Temperature variation vs. voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Bus timing requirements sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
SO8 – 8-lead plastic small outline (4.90 mm x 3.90 mm) package mechanical drawing . . 34
MSOP8 (TSSOP8) – 8-lead, thin shrink small outline (3 mm x 3 mm) package
mechanical drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Carrier tape for SO8 and MSOP8 (TSSOP8) packages . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Reel schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Device topside marking information (SO8) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Device topside marking information (MSOP8/TSSOP8). . . . . . . . . . . . . . . . . . . . . . . . . . . 39
OS
and T
HYS
WRITE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Doc ID 13298 Rev 11
OS
, T
HYS
) . . . . . . . . . . . . 25
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