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Part Number: LM70
Description: The LM70 is a temperature sensor, Delta-Sigma analog-to-digital converter with an SPI and MICROWIRE co...
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LM70
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DataSheet
General Description
LM70 General Description
The LM70 is a temperature sensor, Delta-Sigma analog-to-digital converter with an SPI and MICROWIRE compatible interface available in LLP and MSOP 8-pin packages.
The host can query the LM70 at any time to read temperature. A shutdown mode decreases power consumption to less than 10 µA. This mode is useful in systems where low average power consumption is critical.
The LM70 has 10-bit plus sign temperature resolution (0.25°C per LSB) while operating over a temperature range of −55°C to +150°C.
The LM70's 2.65V to 5.5V supply voltage range, low supply current and simple SPI interface make it ideal for a wide range of applications. These include thermal management and protection applications in hard disk drives, printers, electronic test equipment, and office electronics.
LM70 Maximum Ratings
Supply Voltage .......................................................................−0.3V to 6.0V
Voltage at any Pin ..........................................................−0.3V to V+ + 0.3V
Input Current at any Pin (Note 2) ........................................................5 mA
Package Input Current (Note 2) .........................................................20 mA
Storage Temperature .....................................................−65°C to +150°C
Soldering Information, Lead Temperature
MSOP-8 and LLP-8 Packages
Note 3)
Vapor Phase (60 seconds) ................................................................215°C
Infrared (15 seconds) .......................................................................220°C
ESD Susceptibility (Note 4)
Human Body Model ............................................................................3000V
Machine Model .....................................................................................300V
Voltage at any Pin ..........................................................−0.3V to V+ + 0.3V
Input Current at any Pin (Note 2) ........................................................5 mA
Package Input Current (Note 2) .........................................................20 mA
Storage Temperature .....................................................−65°C to +150°C
Soldering Information, Lead Temperature
MSOP-8 and LLP-8 Packages
Note 3)
Vapor Phase (60 seconds) ................................................................215°C
Infrared (15 seconds) .......................................................................220°C
ESD Susceptibility (Note 4)
Human Body Model ............................................................................3000V
Machine Model .....................................................................................300V
LM70 Features
·0.25°C temperature resolution.
·Shutdown mode conserves power between temperature reading
·SPI and MICROWIRE Bus interface
· MSOP-8 and LLP-8 packages save space
LM70
PDF/DataSheet Download
- Datasheet: LM70
- File Size: 292638 KB
- Manufacturer: NSC [National Semiconductor]
- Click here to Download
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