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DAC7642VFT датащи(PDF) 5 Page - Burr-Brown (TI) |
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DAC7642VFT датащи(HTML) 5 Page - Burr-Brown (TI) |
5 / 22 page DAC7642, DAC7643 5 SBAS233 www.ti.com 20 R/W Enabled by CS, Controls Data Read from and Write to the Input Registers. 21 LOADDACS DAC Output Registers Load Control. Rising edge triggered. Transfers Data from the Input Registers to the DAC Registers, Updating the DAC Output. 22 RST Reset, Rising Edge Triggered. DAC7642 resets to mid-scale, DAC7643 resets to zero. (Resets Both Input Registers and DAC Registers) 23 DACSEL Enabled by CS. Selects the individual DAC Input Registers. (LOW Selects Register A, HIGH Selects Register B) 24 VSS Negative Power Supply 25 VOUTB DAC B Voltage Output 26 VOUTB Sense DAC B Output Amplifier Inverting Input. Used to close the feedback loop at the load. 27 VREFH Sense DAC A and B Reference High Sense Input 28 VREFH DAC A and B Reference High Input 29 VOUTL DAC A and B Reference Low Input 30 VREFL Sense DAC A and B Reference Low Sense Input 31 VOUTA Sense DAC A Output Amplifier Inverting Input. Used to close the feedback loop at the load. 32 VOUTA DAC A Output Voltage Top View LQFP PIN CONFIGURATION V CC GND DB15 DB14 DB13 DB12 DB11 DB10 V SS DACSEL RST LOADDACS R/W CS DB0 DB1 1 2 3 4 5 6 7 8 24 23 22 21 20 19 18 17 DAC7642 DAC7643 PIN DESCRIPTIONS PIN NAME DESCRIPTION 1VCC Positive Power Supply 2 GND Ground 3 DB15 Data Bit 15, MSB 4 DB14 Data Bit 14 5 DB13 Data Bit 13 6 DB12 Data Bit 12 7 DB11 Data Bit 11 8 DB10 Data Bit 10 9 DB9 Data Bit 9 10 DB8 Data Bit 8 11 DB7 Data Bit 7 12 DB6 Data Bit 6 13 DB5 Data Bit 5 14 DB4 Data Bit 4 15 DB3 Data Bit 3 16 DB2 Data Bit 2 17 DB1 Data Bit 1 18 DB0 Data Bit 0, LSB 19 CS Chip Select, Active LOW PIN NAME DESCRIPTION |
Аналогичный номер детали - DAC7642VFT |
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Аналогичное описание - DAC7642VFT |
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