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TC74A3-3.3VCTTR

SENSOR TEMP I2C/SMBUS SOT23-5

Product Category: Temperature Sensors - Analog and Digital Output
Mfr. Part #
TC74A3-3.3VCTTR
Manufacturer: Microchip Technology
Package: SC-74A, SOT-753
Lead Free Status /RoHS Status:
Data Sheet: TC74A3-3.3VCTTR Datasheet
Inventory: In Stock

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Mfr. Part #: TC74A3-3.3VCTTR

Specifications
Product Details

Specifications

Manufacturer Microchip Technology

Product Category Temperature Sensors - Analog and Digital Output

Series -

Product Sensor

Packaging Tape & Reel (TR)

Package-Case SC-74A, SOT-753

Operating-Temperature -40Â°C ~ 125Â°C

Output-Type I2C/SMBus

Features Standby Mode

Voltage-Supply 2.7 V ~ 5.5 V

Supplier-Device-Package SOT-23-5

Configuration Local

Resolution 7 b

Accuracy +/- 3 C

Sensor-Type Digital, Local

Test-Condition 25Â°C ~ 85Â°C (0Â°C ~ 125Â°C)

Shutdown Shutdown

Local Temperature Sensors -40Â°C ~ 125Â°C

Remote Temperature Monitor -

Accuracy-Highest-Lowest Â±2Â°C (Â±3Â°C)

Maximum Operating Temperature + 125 C

Operating temperature range - 40 C

Operating-Supply-Current 350 uA

Interface-Type 2-Wire I2C SMBus

Output-Current +/- 50 mA

Supply-Voltage-Max 5.5 VDC

Supply-Voltage-Min 2.7 VDC

Package-Case SOT-23-5

Product Details

General Description

The TC74 is a serially accessible, digital temperature sensor particularly suited for low cost and small form factor applications. Temperature data is converted from the onboard thermal sensing element and made available as an 8-bit digital word.
Communication with the TC74 is accomplished via a 2-wire SMBus/I2C compatible serial port. This bus also can be used to implement multi-drop/multi-zone monitoring. The SHDN bit in the CONFIG register can be used to activate the low power Standby mode. Temperature resolution is 1Â°C. Conversion rate is a nominal 8 samples/sec. During normal operation, the quiescent current is 200 ÂµA (typ). During standby operation, the quiescent current is 5 ÂµA (typ).
Small size, low installed cost and ease of use make the TC74 an ideal choice for implementing thermal management in a variety of systems.

Features

â€¢ Digital Temperature Sensing in SOT-23-5 or TO-220 Packages
â€¢ Outputs Temperature as an 8-Bit Digital Word
â€¢ Simple SMBus/I2Câ„¢ Serial Port Interface
â€¢ Solid-State Temperature Sensing:
- Â±2Â°C (max.) Accuracy from +25Â°C to +85Â°C
- Â±3Â°C (max.) Accuracy from 0Â°C to +125Â°C
â€¢ Supply Voltage of 2.7V to 5.5V
â€¢ Low Power:
- 200 ÂµA (typ.) Operating Current
- 5 ÂµA (typ.) Standby Mode Current

Applications
â€¢ Thermal Protection for Hard Disk Drives and other PC Peripherals
â€¢ PC Card Devices for Notebook Computers
â€¢ Low Cost Thermostat Controls
â€¢ Power Supplies
â€¢ Thermistor Replacement

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Mfr. Part #: TC74A3-3.3VCTTR