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DAC3482 Folha de dados(PDF) 5 Page - Texas Instruments |
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DAC3482 Folha de dados(HTML) 5 Page - Texas Instruments |
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5 / 79 page  DAC3482 www.ti.com SLAS748A – MARCH 2011 – REVISED JUNE 2011 PIN FUNCTIONS (continued) PIN I/O DESCRIPTION NAME NO. Uni-directional serial interface data in 4-pin mode. The SDO pin is tri-stated in 3-pin interface mode SDO B27 O (default). SLEEP B40 I Active high asynchronous hardware power-down input. Internal pull-down. Optional LVDS SYNC positive input. The SYNCP/N LVDS pair has an internal 100 Ω termination SYNCP A5 I resistor. If unused it can be left unconnected. SYNCN B5 I Optional LVDS SYNC negative input. Active low input for chip RESET, which resets all the programming registers to their default state. RESETB B30 I Internal pull-up. Transmit enable active high input. Internal pull-down. To enable analog output data transmission, set sif_txenable in register config3 to “1” or pull CMOS TXENABLE A32 I TXENABLE pin to high. To disable analog output, set sif_txenable to “0” and pull CMOS TXENABLE pin to low. The digital logic section is forced to all 0, and any input data is ignored. TESTMODE A44 I This pin is used for factory testing. Internal pull-down. Leave unconnected for normal operation. Digital supply voltage. This supply pin is also used for factory fuse programming. Connect to VFUSE B4 I DACVDD for normal operation. ORDERING INFORMATION(1) TA ORDER CODE PACKAGE DRAWING/TYPE(2)(3) TRANSPORT MEDIA QUANTITY DAC3482IRKDT 250 –40°C to 85°C RKD / 88 WQFN Quad Flatpack No-Lead Tape and Reel DAC3482IRKDR 2000 (1) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or visit the device product folder at www.ti.com. (2) Thermal Pad Size: 6.4 mm x 6.4 mm (3) MSL Peak Temperature: Level-3-260C-168 HR ABSOLUTE MAXIMUM RATINGS over operating free-air temperature range (unless otherwise noted) (1) VALUE UNIT MIN MAX DACVDD, DIGVDD, CLKVDD –0.5 1.5 V VFUSE –0.5 1.5 V Supply voltage range(2) IOVDD –0.5 4 V AVDD, PLLAVDD –0.5 4 V D[15..0]P/N, DATACLKP/N, FRAMEP/N, PARITYP/N, SYNCP/N –0.5 IOVDD + 0.5 V DACCLKP/N, OSTRP/N –0.5 CLKVDD + 0.5 V ALARM, SDO, SDIO, SCLK, SDENB, SLEEP, RESETB, TESTMODE, –0.5 IOVDD + 0.5 V TXENABLE Pin voltage range(2) IOUTIP/N, IOUTQP/N –1.0 AVDD + 0.5 V EXTIO, BIASJ –0.5 AVDD + 0.5 V LPF 0.5 PLLAVDD+0.5V V Peak input current (any input) 20 mA Peak total input current (all inputs) –30 mA Operating free-air temperature range, TA: DAC3482 –40 85 °C Storage temperature range –65 150 °C (1) Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. These are stress ratings only and functional operation of these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. (2) Measured with respect to GND. Copyright © 2011, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Link(s): DAC3482 |
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