DAC7760 DAC8760 www.ti.com SBAS528 – JUNE 2013 Single-Channel, 12- and 16-Bit Programmable Current Output and Voltage Output Digital-to-Analog Converter for 4-mA to 20-mA Current Loop Applications FEATURES DESCRIPTION • The DAC7760 and DAC8760 are low-cost, precision, fully-integrated, 12-bit and 16-bit digital-to-analog converters (DACs) designed to meet the requirements of industrial process control applications. The output can be programmed as a current output with a range of 4 mA to 20 mA, 0 mA to 20 mA, or 0 mA to 24 mA; or the output can be programmed as a voltage output with a range of 0 V to 5 V, 0 V to 10 V, ±5 V, or ±10 V, with a 10% overrange. 1 23 • • • • • • • • • • Output Current: 4 mA to 20 mA; 0 mA to 20 mA; 0 mA to 24 mA Voltage Output: – 0 V to 5 V; 0 V to 10 V; ±5 V; ±10 V – 0 V to 5.5 V; 0 V to 11 V; ±5.5 V; ±11 V (10% Overrange) ±0.1% FSR Total Unadjusted Error (TUE) Max DNL: ±1 LSB Max Simultaneous Voltage and Current Output Internal 5-V Reference (10 ppm/°C, max) Internal 4.5-V Power-Supply Generator HART® Compatible Input Reliability Features: – CRC and Frame Error Check – Watchdog Timer – Thermal Alarm – Open, Compliance Alarm, Short Current Limit – On-Chip Fault Alarm Wide Temperature Range: –40°C to +125°C 6-mm × 6-mm QFN-40 and TSSOP-24 Packages A user calibration can be performed on the zero and gain registers to calibrate the device in the end system. The output slew rate is also programmable via register. These devices include a power-on-reset function to ensure that the device powers up in a known state (both IOUT and VOUT are disabled and in a Hi-Z state). The CLR and CLR-SEL pins set the voltage outputs to zero-scale or midscale and the current output to the low end of the range if output is enabled. These devices are implemented with a HART signal interface to superimpose an external HART signal on the current output and can operate with either a single +10-V to +36-V supply, or dual supplies of up to ±18 V. All versions are available in both 6-mm × 6-mm QFN-40 and TSSOP-24 packages. RELATED DEVICES APPLICATIONS • • • • RESOLUTION (Bits) CURRENT AND VOLTAGE OUTPUT CURRENT OUTPUT 12 DAC7760 DAC7750 16 DAC8760 DAC8750 4-mA to 20-mA Current Loops Analog Output Modules Programmable Logic Controllers (PLCs) Sensors and Transducers DVDD DVDD-EN DAC7760 DAC8760 REFOUT REFIN Internal Reference AVSS HARTIN AVDD Current Output Stage DIN SDO CLR CLR-SEL Control Logic SCLK SPI Shift Register Input Control Logic BOOST LATCH DAC Input Register Thermal Shutdown User Calibration Gain/Offset Register Slew Rate Control DAC PreConditioning IOUT IGAIN Current Source ALARM IENABLE ISET-R Voltage Output Stage +VSENSE VOUT VGAIN –VSENSE Watchdog Timer VENABLE CMP GND 1 2 3 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. HART is a registered trademark of the HART Communication Foundation. All other trademarks are the property of their respective owners. PRODUCT PREVIEW information concerns products in the formative or design phase of development. Characteristic data and other specifications are design goals. Texas Instruments reserves the right to change or discontinue these products without notice. Copyright © 2013, Texas Instruments Incorporated PRODUCT PREVIEW Check for Samples: DAC7760, DAC8760 PACKAGE OPTION ADDENDUM www.ti.com 31-May-2013 PACKAGING INFORMATION Orderable Device Status (1) Package Type Package Pins Package Drawing Qty Eco Plan Lead/Ball Finish (2) MSL Peak Temp Op Temp (°C) Device Marking (3) (4/5) DAC8760IPWP PREVIEW HTSSOP PWP 24 60 Green (RoHS & no Sb/Br) CU NIPDAU Level-3-260C-168 HR -40 to 125 DAC8760 DAC8760IPWPR PREVIEW HTSSOP PWP 24 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-3-260C-168 HR -40 to 125 DAC8760 DAC8760IRHAR PREVIEW VQFN RHA 40 2500 Green (RoHS CU NIPDAUAG Level-3-260C-168 HR & no Sb/Br) -40 to 125 DAC8760 DAC8760IRHAT PREVIEW VQFN RHA 40 250 Green (RoHS CU NIPDAUAG Level-3-260C-168 HR & no Sb/Br) -40 to 125 DAC8760 (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. (2) Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check http://www.ti.com/productcontent for the latest availability information and additional product content details. TBD: The Pb-Free/Green conversion plan has not been defined. Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes. Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and package, or 2) lead-based die adhesive used between the die and leadframe. The component is otherwise considered Pb-Free (RoHS compatible) as defined above. Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material) (3) MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder temperature. (4) There may be additional marking, which relates to the logo, the lot trace code information, or the environmental category on the device. (5) Multiple Device Markings will be inside parentheses. Only one Device Marking contained in parentheses and separated by a "~" will appear on a device. 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