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TLC5615ID Fiches technique(PDF) 10 Page - Texas Instruments |
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TLC5615ID Fiches technique(HTML) 10 Page - Texas Instruments |
10 / 18 page TLC5615C, TLC5615I 10-BIT DIGITAL-TO-ANALOG CONVERTERS SLAS142C – OCTOBER 1996 – REVISED MARCH 2000 10 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 APPLICATION INFORMATION general function The TLC5615 uses a resistor string network buffered with an op amp in a fixed gain of 2 to convert 10-bit digital data to analog voltage levels (see functional block diagram and Figure 9). The output of the TLC5615 is the same polarity as the reference input (see Table 1). An internal circuit resets the DAC register to all zeros on power up. _ + Resistor String DAC 5 V 0.1 µF AGND VDD OUT REFIN DIN SCLK CS DOUT R R _ + Figure 9. TLC5615 Typical Operating Circuit Table 1. Binary Code Table (0 V to 2 VREFIN Output), Gain = 2 INPUT† OUTPUT 1111 1111 11(00) 2 V REFIN 1023 1024 : : 1000 0000 01(00) 2 V REFIN 513 1024 1000 0000 00(00) 2 V REFIN 512 1024 + V REFIN 0111 1111 11(00) 2 V REFIN 511 1024 : : 0000 0000 01(00) 2 V REFIN 1 1024 0000 0000 00(00) 0 V † A 10-bit data word with two bits below the LSB bit (sub-LSB) with 0 values must be written since the DAC input latch is 12 bits wide. |
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Description similaire - TLC5615ID |
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