Part LM74
Description 12-Bit Plus Sign Temperature Sensor
Manufacturer National Semiconductor
Size 351.83 KB
National Semiconductor
LM74

Overview

The LM74 is a temperature sensor, Delta-Sigma analog-todigital converter with an SPI and MICROWIRE compatible interface. The host can query the LM74 at any time to read temperature.

  • 0.0625°C temperature resolution.
  • Shutdown mode conserves power between temperature reading
  • SPI and MICROWIRE Bus interface
  • 5-Bump micro SMD package saves space Key Specifications
  • Supply Voltage
  • Supply Current
  • Temperature Accuracy
  • 0V or 2.65V to 5.5V operating 265μA (typ) shutdown 520μA (max) 3μA (typ) -10°C to 65°C -25°C to 110°C -55°C to 125°C ±1.25°C(max) ±2.1°C(max) ±3°C(max) Simplified Block Diagram