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DAC7642VF датащи(PDF) 13 Page - Texas Instruments |
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DAC7642VF датащи(HTML) 13 Page - Texas Instruments |
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13 / 25 page ![]() DAC7642, DAC7643 13 SBAS233 www.ti.com FIGURE 2. Basic Single-Supply Operation of the DAC7642 and DAC7643. V CC GND DB15 DB14 DB13 DB12 DB11 DB10 V SS DACSEL RST LDAC R/W CS DB0 DB1 1 2 3 4 5 6 7 8 24 23 22 21 20 19 18 17 DAC7642 DAC7643 9 10 11 12 13 14 15 16 DB9 DB8 DB7 DB6 DB5 DB4 DB3 DB2 32 0.1 µF 31 30 29 28 +2.5V 27 26 25 V OUTA V OUTA Sense V REFL Sense V REFL V REFH V REFH Sense V OUTB Sense V OUTB DATA BUS DATA BUS CHIP SELECT READ/WRITE LOAD DAC REGISTERS RESET DAC REGISTERS SELECT DAC CHANNEL 0V to +2.5V 0V to +2.5V +5V 1 µF FIGURE 3. Basic Dual-Supply Operation of the DAC7642 and DAC7643. 24 23 22 21 20 19 18 17 0.1 µF 1 µF –5V DAC7642 DAC7643 9 10 11 12 13 14 15 16 32 31 30 29 28 +2.5V 27 26 25 V OUTA V OUTA Sense V REFL Sense V REFL V REFH V REFH Sense V OUTB Sense V OUTB –2.5V to +2.5V –2.5V –2.5V to +2.5V V CC GND DB15 DB14 DB13 DB12 DB11 DB10 V SS DACSEL RST LDAC R/W CS DB0 DB1 DB9 DB8 DB7 DB6 DB5 DB4 DB3 DB2 1 2 3 4 5 6 7 8 0.1 µF DATA BUS +5V 1 µF DATA BUS CHIP SELECT READ/WRITE LOAD DAC REGISTERS RESET DAC REGISTERS SELECT DAC CHANNEL |
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