Datenblatt-Suchmaschine für elektronische Bauteile |
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TMP7 Datenblatt(PDF) 6 Page - ABCircuits |
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TMP7 Datenblatt(HTML) 6 Page - ABCircuits |
6 / 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 6 of 10 SCALE FARH Output Open or high Open or high Degrees Fahrenheit Open or high Ground or low Degrees Celsius Ground or low Open or high Percentage (0-100) Ground or low Ground or low Raw analog count In the Celsius scale, the output ranges from –40 to 150. In the Fahrenheit scale, the output ranges from -40 to 199. In the percentage mode, the output ranges from 0-100. (101 counts) A small resistor on the VCC side of the input potentiometer or a voltage divider may be used to drop the scale to 0-99 so only 2 displays are necessary. In the raw analog mode, the seven segment display shows 00-FF (8 bits hexadecimal) One count = VCC/256 volts. The serial output in raw mode ranges from 000-FFF (12 bits hexadecimal.) One count = VCC/4096 volts. SOUT- SOUT- is the serial output of the IC to optionally connect to your UART, a RS-232 driver, a USB IC or Ethernet. The IC outputs three ASCII formatted numbers, followed by a carriage return. (0D hex) The output format is 9600 BPS, 8 bits 1 stop, no parity. Data is sent about every 250 mS. SEGRA, SEGRB, SEGRC, SEGRD, SEGRE, SEGRF, SEGRG SEGLA, SEGLB, SEGLC, SEGLD, SEGLE, SEGLF, SEGLG SEG3B, SEG3C, SEG3G SEG3 is the optional 100’s and minus display SEGR is the right hand of the two displays. SEGL is the left hand of the two displays If the POL pin is open or hi, this SEG outputs will be high when a segment is on. If the POL pin is low or grounded, the SEG outputs will be low when a segment is on. These are the seven segment outputs to each individual display An external driver or current limiting resistor is required for each segment. If you are using only a resistor, it must be sized to limit source current to 5 mA maximum per pin or sink current to 9 mA per pin. See also the segment table, and the ASCII to seven segment translation table. VSS Connect to system ground. VDD Connect to supply voltage of 3.3 to 5 volts. A .1 uF decoupling capacitor to ground is recommended. NOTES: Make no connection to the NC pins. Pins 9 and 19 must be left unconnected. |
Ähnliche Teilenummer - TMP7 |
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Ähnliche Beschreibung - TMP7 |
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