LM73CIMK-0/NOPB Part Information

Details for LM73CIMK-0/NOPB by Texas Instruments

Electronic & Electrical Components > Sensors & Transducers > Sensors

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Part Description

The LM73 is an integrated, digital-output temperature sensor featuring an incremental Delta-Sigma ADC with a two-wire interface that is compatible with the SMBus and I2C interfaces. The host can query the LM73 at any time to read temperature. Available in a 6-pin SOT package, the LM73 occupies very little board area while operating over a wide temperature range (–40°C to 150°C) and providing ±1°C accuracy from –10°C to 80°C. The user can optimize between the conversion time and the sensitivity of the LM73 by programming it to report temperature in any of four different resolutions. Defaulting to 11-bit mode (0.25°C/LSB), the LM73 measures temperature in a maximum time of 14 ms, making it ideal for applications that require temperature data very soon after power-up. In its maximum resolution, 14-bit mode (0.03125°C/LSB), the LM73 is optimized to sense very small changes in temperature. A single multi-level address line selects one of three unique device addresses. An open-drain ALERT output goes active when the temperature exceeds a programmable limit. Both the data and clock lines are filtered for excellent noise tolerance and reliable communication. Additionally, a time-out feature on the clock and data lines causes the LM73 to automatically reset these lines if either is held low for an extended time, thus exiting any bus lock-up condition without processor intervention.

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Part Features

  • Fast Conversion Rate Ideal for Quick Power Up and Measuring Rapidly Changing Temperature
  • Key Specifications
  • Open-Drain ALERT Output Pin Goes Active When Temperature is Above a Programmed Temperature Limit
  • Programmable Digital Temperature Resolution From 11 Bits to 14 Bits
  • SMBus and I2 C-compatible Two-Wire Interface
  • Shutdown Mode With One-shot Feature Available for Very Low Average Power Consumption
  • Single Address Pin Offers Choice of Three Selectable Addresses Per Version for a Total of Six Possible Addresses.
  • Supports 400-Khz Operation
  • UL Recognized Component
  • Very Stable, Low-noise Digital Output

Part Specifications

IC Output Type Voltage
Sensing Accuracy Range ± 1°C
Sensing Temperature Min -40°C
Sensing Temperature Max 150°C
Sensor Case Style SOT-23
No. of Pins 6Pins
Supply Voltage Min 2.7V
Supply Voltage Max 5.5V
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 1 - Unlimited
SVHC No SVHC (27-Jun-2018)
Base Number 73
Operating Temperature Max 150°C
Operating Temperature Range -40°C to +150°C
Output Current 2µA
Output Voltage 0.4V
Resolution 14bit
Resolution (Bits) 14bit
Sensor / Transducer Type Temperature
Supply Current 320µA
Supply Voltage DC Max 6V
Supply Voltage DC Min -0.3V
Supply Voltage Range 2.7V to 5.5V
Temperature Sensing Range -40°C to +150°C
Termination Type Surface Mount Device
RoHS Compliant

Alternative Part Descriptions

  • DIGITAL TS W/SMBUS INTERFACE, LM73CIMK-0 | RS Components
  • TEMPERATURE SENSOR, 14 BIT, 1C, 6-SOT-23; IC Output Type:Digital; Sensing Accuracy Range:± 1°C; Sensing Temperature Min:-40°C; Sensing Temperature Max:150°C; Sensor Case Style:SOT-23; No. of Pins:6Pins; Supply Voltage Min:2.7V RoHS Compliant: Yes | Newark Electronics
  • ±1°C Temperature Sensor with I2C/SMBus Interface | Texas Instruments
  • Temperature sensor [Texas Instruments] LM73CIMK-0/NOPB Temperature sensor | Distrelec
  • Texas Instruments LM73CIMK-0/NOPB, Temperature Sensor -40 to +150 °C ±2.5°C Serial-I2C, SMBus, 6-Pin TSOT | RS Components TR
  • Circuito integrato LM73CIMK-0 | RS Components IT

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