TMP06 Datasheet | Analog Devices

FEATURES Modulated serial digital output, proportional to temperature ±0.5°C typical accuracy at 25°C ±1.0°C accuracy from 0°C to 70°C Two grades available Operation from - 40°C to +150°C Operation from 3 V to 5.5 V Power consumption 70 μW maximum at 3.3 V CMOS-/TTL-patible output on TMP05 Flexible open-drain output on TMP06 Small, low cost, 5-lead SC-70 and SOT-23 packages APPLICATIONS Isolated sensors Environmental control systems puter thermal monitoring Thermal protection Industrial process control Power-system monitors FUNCTIONAL BLOCK DIAGRAM VDD 5 TMP05/TMP06 TEMPERATURE SENSOR REFERENCE Σ-∆ CORE AVERAGING BLOCK/ COUNTER 1 OUT CONV/IN 2 CLK AND TIMING GENERATION 4 GND Figure 1. OUTPUT CONTROL 3 FUNC 03340-001 GENERAL DESCRIPTION The TMP05/TMP06 are monolithic temperature sensors that generate a modulated serial digital output (PWM), which varies in direct proportion to the temperature of the devices. The high period (TH) of the PWM remains static over all temperatures, while the low period (TL) varies. The B Grade version offers a high temperature accuracy of ±1°C from 0°C to 70°C with excellent transducer linearity. The digital output of the TMP05/ TMP06 is CMOS-/TTL-patible and is easily interfaced to the serial inputs of most popular microprocessors. The flexible open-drain output of the TMP06 is capable of sinking 5 m A. The TMP05/TMP06 are specified for operation at supply voltages from 3 V to 5.5 V. Operating at 3.3 V, the supply current is typically 370 μA. The TMP05/TMP06 are rated for operation over the - 40°C to +150°C temperature range. It is not remended to operate these devices at temperatures above 125°C for more than a total of 5% (5,000 hours) of the lifetime of the devices. They are packaged in low cost, low area SC-70 and SOT-23 packages. The TMP05/TMP06 have three modes of operation: continuously converting mode, daisy-chain mode, and one shot mode. A three-state FUNC input determines the mode in which the TMP05/TMP06...