Hardware specifications of S-58LM20A

Manufacturer nameABLIC
Category1　　　Sensor
Category2　－　　　　　　　　　　　　　　　　　　　　　　　　
Category3　A/D converter
Components Classification Temperature sensor
Model NumberS-58LM20A　　　　　　Datasheet　　　

Overview

The S-58LM20A Series is a high-accuracy temperature sensor IC on a single chip, provides output voltage which is linear against the temperature change. Each chip consists of a temperature sensor, a constant current circuit, and an operational amplifier. The operating ambient temperature is from –55°C to 130°C. This IC has much better linearity than other conventional temperature sensors such as thermistor, it is possible to achieve the extensive application for temperature control.

Features

Accuracy against temperature±2.5°C (-55°C to +130°C)
-11.77 mV/°C Typ.
Ta = -30°C ： 2.205 V Typ.
Ta = +30°C ： 1.515 V Typ.
Ta = +130°C： 0.303 V Typ.
Nonlinearity±0.4% Typ. (-20 to +80°C)
Operation in wide range of power supply voltageVDD = 2.4 to 5.5 V (-30°C to +130°C)
VDD = 2.7 to 5.5 V (-55°C to +130°C)
Low current consumption4.5 μA Typ. (+25°C) 6.0 μA Max. (-55°C to +130°C)
Built-in operational amplifier
Output voltage referred to VSS
Lead-free, Sn 100%, halogen-free

Application

  • Compensation of high-frequency circuits such as cellular phones and radio equipment
  • Compensation of oscillation frequency in crystal oscillator
  • LCD contrast compensation
  • Compensation of amplifier gain
  • Compensation of auto focus circuits
  • Temperature detection in battery management
  • Overheating prevention for charged batteries or halogen lights

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