TK11070

TK11070 NEGATIVE SLOPE TEMPERATURE SENSOR IC FEATURES s s s s s s Linear Output Voltage -8 mV/°C Output Active High On/Off Control 2.7 to 10.0 V Supply Range Miniature Package (SOT-23-5) Minimum External Parts Count Low Power Consumption APPLICATIONS s s s s s s s s s Home and Industrial Thermostats Automotive Climate Control Battery Charger Temperature Monitor Notebook Computer Temperature Monitor Electronic Thermometers Fish Finder Water Temperature Industrial Process Controllers Home Appliance Temperature Control Liquid Crystal Panel Contrast Adjustment DESCRIPTION The TK11070 is a temperature sensor IC with a linear negative slope output of -8 mV/°C over the range of -30 to + 105 °C. Its wide operating voltage range of 2.7 to 10.0 V makes it suitable for a number of applications requiring accurate temperature control, such as electronic thermostats for climate control, refrigerators, and industrial process controls. The device is in the “on” state when the control pin is pulled to a logic high level. In the ”off” state, the standby current is 1 µA maximum. A typical application is to make a digital representation of temperature with an A/D converter, or to make a thermal detector with a comparator. The TK11070 has a compensation pin for a 0.1 µF capacitor that ensures stability over the IC's operating temperature range. The TK11070 is available in a miniature SOT-23-5 surface mount package. BLOCK DIAGRAM TK11070 VCC 01 S VOUT HS CONTROL GND Note: Pin 2 must connect ...