поискавой системы для электроныых деталей |
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TC7116 датащи(PDF) 7 Page - Microchip Technology |
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TC7116 датащи(HTML) 7 Page - Microchip Technology |
7 / 24 page © 2006 Microchip Technology Inc. DS21457C-page 7 TC7116/A/TC7117/A 34 42 CREF+A 0.1μF capacitor is used in most applications. If a large Common mode voltage exists (for example, the VIN- pin is not at analog common), and a 200mV scale is used, a 1 μF capacitor is recommended and will hold the rollover error to 0.5 count. 35 43 V+ Positive Power Supply Voltage. 36 44 VREF+ The analog input required to generate a full scale output (1999 counts). Place 100mV between Pins 32 and 36 for 199.9mV full scale. Place 1V between Pins 35 and 36 for 2V full scale. See Section 4.6 “Reference Voltage”, Refer- ence Voltage. 37 3 TEST Lamp test. When pulled HIGH (to V+), all segments will be turned on and the dis- play should read -1888. It may also be used as a negative supply for externally generated decimal points. See Section 3.1.7 “Test”, TEST for additional infor- mation. 38 4 OSC3 See Pin 40. 39 6 OSC2 See Pin 40. 40 7 OSC1 Pins 40, 39, 38 make up the oscillator section. For a 48kHz clock (3 readings per section), connect Pin 40 to the junction of a 100k Ω resistor and a 100pF capaci- tor. The 100k Ω resistor is tied to Pin 39 and the 100pF capacitor is tied to Pin 38. TABLE 2-1: PIN FUNCTION TABLE (CONTINUED) Pin Number (40-Pin PDIP) (40-Pin CERDIP) Pin Number (44-Pin PQFP) Symbol Description |
Аналогичный номер детали - TC7116 |
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Аналогичное описание - TC7116 |
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