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TMP7IC Folha de dados(PDF) 1 Page - ABCircuits |
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1 / 10 page Turning Ideas Into Reality ABCircuits www.abcircuits.com POB 123 New Hill NC 27562 (919) 290-7104 Part Number TMP7 Copyright © 2014 ABCircuits. Revised September 2014 Page 1 of 10 TMP7 IC Thermometer with Seven Segment and Serial Output General Description The TMP7 is thermometer IC with seven segment outputs for non multiplexed displays. An inexpensive thermister is used as the temperature sensor. The IC supports 4 scales: degrees C, degrees F, percentage, and raw A/D output. Serial output is also provided for RS-232, USB, or Ethernet operation. The chip provides output polarity control. The TMP7 has internal pull resistors on inputs to minimize additional parts. A .1 uF bypass capacitor is suggested across the VDD and VSS pins. The part uses the standard 28 pin .3 inch width SOIC and DIP packages. Features • Degrees C, Degrees F, percentage and raw data outputs. • Can drive seven segment displays and serial devices. • Minimum and maximum temperatures. • Percentage scale. • 12 bit A/D converter • Few external parts required. • Low power consumption 20 mA typical. • Supply voltage 3.3 to 5.25 volts. • All timing internally generated. • On chip input resistors. • Output polarity select. • TTL and CMOS compatible. • Part is in full production. • SOIC and DIP 28 Pin Package. • ROHS Compliant • Low EMI Applications • Temperature displays. • Remote temperature sensing. • Remote 12 bit A/D converter. • Environmental and process controls. • Percentage displays. |
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