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AD5232 Datasheet(PDF) 8 Page - Analog Devices |
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AD5232 Datasheet(HTML) 8 Page - Analog Devices |
8 / 24 page AD5232 Data Sheet Rev. C | Page 8 of 24 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS 1 2 3 4 5 6 7 8 SDI SDO GND W1 A1 VSS CLK B1 16 15 14 13 12 11 10 9 CS PR WP W2 B2 A2 VDD RDY AD5232 TOP VIEW (Not to Scale) Figure 4. Pin Configuration Table 5. Pin Function Descriptions Pin No. Mnemonic Description 1 CLK Serial Input Register Clock. Shifts in one bit at a time on positive clock edges. 2 SDI Serial Data Input. The MSB is loaded first. 3 SDO Serial Data Output. This open-drain output requires an external pull-up resistor. Command Instruction 9 and Command Instruction 10 activate the SDO output (see Table 8). Other commands shift out the previously loaded SDI bit pattern delayed by 16 clock pulses, allowing daisy-chain operation of multiple packages. 4 GND Ground, Logic Ground Reference. 5 VSS Negative Power Supply. Connect to 0 V for single-supply applications. 6 A1 Terminal A of RDAC1. 7 W1 Wiper Terminal W of RDAC1, ADDR (RDAC1) = 0x0. 8 B1 Terminal B of RDAC1. 9 B2 Terminal B of RDAC2. 10 W2 Wiper Terminal W of RDAC2, ADDR (RDAC2) = 0x1. 11 A2 Terminal A of RDAC2. 12 VDD Positive Power Supply. 13 WP Write Protect. When active low, WP prevents any changes to the present register contents, except PR, Command Instruction 1, and Command Instruction 8, which refresh the RDACx register from EEMEM. Execute an NOP instruction (Command Instruction 0) before returning WP to logic high. 14 PR Hardware Override Preset. Refreshes the scratch pad register with current contents of the EEMEMx register. Factory default loads Midscale 0x80 until EEMEMx is loaded with a new value by the user (PR is activated at the logic high transition). 15 CS Serial Register Chip Select, Active Low. Serial register operation takes place when CS returns to logic high. 16 RDY Ready. This active-high, open-drain output requires a pull-up resistor. Identifies completion of Command Instruction 2, Command Instruction 3, Command Instruction 8, Command Instruction 9, Command Instruction 10, and PR. |
Similar Part No. - AD5232_15 |
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Similar Description - AD5232_15 |
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