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AD5231BRU50-REEL7 bảng dữ liệu(PDF) 6 Page - Analog Devices |
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AD5231BRU50-REEL7 bảng dữ liệu(HTML) 6 Page - Analog Devices |
6 / 24 page REV. 0 AD5231 –6– PIN CONFIGURATION TOP VIEW (Not to Scale) 16 15 14 13 12 11 10 9 1 2 3 4 5 6 7 8 CLK SDI SDO VSS GND T RDY CS PR WP VDD A W AD5231 O1 B O2 PIN FUNCTION DESCRIPTIONS Pin No. Mnemonic Description 1 O1 Nonvolatile Digital Output #1. ADDR(O1) = 1H, data bit position D0 2 CLK Serial Input Register Clock Pin. Shifts in one bit at a time on positive clock edges. 3 SDI Serial Data Input Pin. Shifts in one bit at a time on positive clock CLK edges. MSB loaded first. 4 SDO Serial Data Output Pin. Open Drain Output requires external pull-up resistor. Commands 9 and 10 activate the SDO output. (See Instruction operation Truth Table, Table III.) Other commands shift out the previously loaded SDI bit pattern delayed by 24 clock pulses. This allows daisy-chain operation of multiple packages. 5 GND Ground Pin, Logic Ground Reference 6VSS Negative Supply. Connect to zero volts for single supply applications. 7T Used as digital input during factory test mode. Connect to VDD or VSS. 8 B B Terminal of RDAC 9W Wiper Terminal of RDAC. ADDR(RDAC1) = 0H. 10 A A Terminal of RDAC1 11 VDD Positive Power Supply Pin 12 WP Write Protect Pin. When active low, WP prevents any changes to the present contents except PR and cmd 1 and 8 will refresh the RDAC register from EEMEM. Execute on NOP instruction before returning to WP high. 13 PR Hardware Override Preset Pin. Refreshes the scratch pad register with current contents of the EEMEM register. Factory default loads midscale 51210 until EEMEM loaded with a new value by the user (PR is activated at the logic high transition). 14 CS Serial Register Chip Select Active Low. Serial register operation takes place when CS returns to logic high. 15 RDY Ready. Active-high open drain output. Identifies completion of commands 2, 3, 8, 9, 10, and PR. 16 O2 Nonvolatile Digital Output #2. ADDR(O2) = 1H, data bit position D1. |
Số phần tương tự - AD5231BRU50-REEL7 |
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Mô tả tương tự - AD5231BRU50-REEL7 |
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