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DAC121C085CIMM Datasheet(PDF) 3 Page - Texas Instruments |
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DAC121C085CIMM Datasheet(HTML) 3 Page - Texas Instruments |
3 / 34 page Snap Back GND D1 PIN V+ 2.1k 41.5k 41.5k Snap Back GND D1 PIN DAC121C081, DAC121C085 www.ti.com SNAS395D – DECEMBER 2007 – REVISED MARCH 2013 PIN DESCRIPTIONS Symbol Type Equivalent Circuit Description VOUT Analog Output Analog Output Voltage. Power supply input. For the SOT and WSON versions, this VA Supply supply is used as the reference. Must be decoupled to GND. GND Ground Ground for all on-chip circuitry. Serial Data bi-directional connection. Data is clocked into or Digital out of the internal 16-bit register relative to the clock edges SDA Input/Output of SCL. This is an open drain data line that must be pulled to the supply (VA) by an external pull-up resistor. Serial Clock Input. SCL is used together with SDA to control SCL Digital Input the transfer of data in and out of the device. Tri-state Address Selection Input. Sets the two Least Digital Input, ADR0 Significant Bits (A1 & A0) of the 7-bit slave address. (see three levels Table 1) Digital Input, Tri-state Address Selection Input. Sets Bits A6 & A3 of the ADR1 three levels 7-bit slave address. (see Table 1) Unbufferred reference voltage. For the VSSOP, this supply VREF Supply is used as the reference. VREF must be free of noise and decoupled to GND. Exposed die attach pad can be connected to ground or left PAD floating. Soldering the pad to the PCB offers optimal thermal Ground (LLP only) performance and enhances package self-alignment during reflow. Package Pinouts VOUT VA GND SDA SCL ADR0 ADR1 VREF PAD (WSON only) SOT 1 2 3 4 5 6 N/A N/A N/A WSON 6 5 4 3 2 1 N/A N/A 7 VSSOP 8 6 5 4 3 1 2 7 N/A These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates. Copyright © 2007–2013, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Links: DAC121C081 DAC121C085 |
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