LM70CILD-3/NOPB HVAC Temperature Sensors Board Mount Temperature Sensors SPI/10-Bit plus Sign Digital Temperature
temperature sensor circuit
,temperature control sensor
LM70CILD-3/NOPB HVAC Temperature Sensors Board Mount Temperature Sensors SPI/10-Bit plus Sign Digital Temperature
FEATURES
- 0.25°C Temperature Resolution.
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Shutdown Mode Conserves Power Between Temperature Reading
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SPI and MICROWIRE Bus Interface
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VSSOP-8 and WSON-8 Packages Save Space
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UL Recognized Component
APPLICATIONS
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System Thermal Management
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Personal Computers
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Disk Drives
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Office Electronics
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Electronic Test Equipment
KEY SPECIFICATIONS
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Supply Voltage 2.65V to 5.5V
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Supply Current
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– Operating
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– 260 μA (typ)
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– 490 μA (max)
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– Shutdown
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– 12 μA (typ)
• Temperature Accuracy
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– −40°C to 85°C, ±2°C(max)
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– −10°C to 65°C, +1.5/−2°C(max)
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– −55°C to 125°C, +3/−2°C(max)
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– −55°C to 150°C, +3.5/−2°C(max)
DESCRIPTION
The LM70 is a temperature sensor, Delta-Sigma analog-to-digital converter with an SPI and MICROWIRE compatible interface available in WSON and VSSOP 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.
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