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DAC7742 Dataheets PDF



Part Number DAC7742
Manufacturers Burr-Brown Corporation
Logo Burr-Brown Corporation
Description DIGITAL-TO-ANALOG CONVERTER
Datasheet DAC7742 DatasheetDAC7742 Datasheet (PDF)

DAC7742 DAC7742 SBAS256A – DECEMBER 2002 – AUGUST 2007 16-Bit, Single Channel DIGITAL-TO-ANALOG CONVERTER With Internal Reference and Parallel Interface FEATURES q LOW POWER: 150mW Maximum q +10V INTERNAL REFERENCE q UNIPOLAR OR BIPOLAR OPERATION q SETTLING TIME: 5µs to ±0.003% FSR q 16-BIT MONOTINICITY, –40°C TO +85°C q ±10V, ±5V OR +10V CONFIGURABLE VOLTAGE OUTPUT q RESET TO MIN-SCALE OR MID-SCALE q DOUBLE-BUFFERED DATA INPUT q INPUT REGISTER DATA READBACK q SMALL LQFP-48 PACKAGE q SUPPORTS T.

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DAC7742 DAC7742 SBAS256A – DECEMBER 2002 – AUGUST 2007 16-Bit, Single Channel DIGITAL-TO-ANALOG CONVERTER With Internal Reference and Parallel Interface FEATURES q LOW POWER: 150mW Maximum q +10V INTERNAL REFERENCE q UNIPOLAR OR BIPOLAR OPERATION q SETTLING TIME: 5µs to ±0.003% FSR q 16-BIT MONOTINICITY, –40°C TO +85°C q ±10V, ±5V OR +10V CONFIGURABLE VOLTAGE OUTPUT q RESET TO MIN-SCALE OR MID-SCALE q DOUBLE-BUFFERED DATA INPUT q INPUT REGISTER DATA READBACK q SMALL LQFP-48 PACKAGE q SUPPORTS TRANSPARENT DATA INPUT OPERATION APPLICATIONS q PROCESS CONTROL q ATE PIN ELECTRONICS q CLOSED-LOOP SERVO CONTROL q MOTOR CONTROL q DATA ACQUISITION SYSTEMS DESCRIPTION The DAC7742 is a 16-bit Digital-to-Analog Converter (DAC) that provides 16 bits of monotonic performance over the specified operating temperature range and offers a +10V, low-drift internal reference. Designed for automatic test equipment and industrial process control applications, the DAC7742 output swing can be configured in a ±10V, ±5V, or +10V range. The flexibility of the output configuration allows the DAC7742 to provide both unipolar and bipolar operation by pin strapping. The DAC7742 includes a high-speed output amplifier with a maximum settling time of 5µs to ±0.003% FSR for a 20V full-scale change and only consumes 100mW (typical) of power. The DAC7742 features a standard 16-bit parallel interface with double buffering to allow asynchronous updates of the analog output, and data read-back to support data integrity verification prior to an update. A user-programmable reset control allows the DAC output to reset to min-scale (FFFFH) or mid-scale (7FFFH) overriding the DAC register values. The DAC7742 is available in an LQFP-48 package and three performance grades specified to operate from –40°C to +85°C. VDD VSS VCC REFADJ REFOUT REFIN VREF REFEN CS R/W RST RSTSEL +10V Reference Control Logic Buffer ROFFSET RFB2 RFB1 Data I/O 16 I/O Buffer Input Register DAC Register DAC SJ VOUT AGND DGND LDAC 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. PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. www.ti.com Copyright © 2002-2007, Texas Instruments Incorporated ABSOLUTE MAXIMUM RATINGS(1) VCC to VSS ........................................................................... –0.3V to +32V VCC to AGND ...................................................................... –0.3V to +16V VSS to AGND ...................................................................... –16V to +0.3V AGND to DGND ................................................................. –0.3V to +0.3V REFIN to AGND ............................................................. 0V to VCC – 1.4V VDD to DGND ........................................................................ –0.3V to +6V Digital Input Voltage to DGND ................................. –0.3V to VDD + 0.3V Digital Output Voltage to DGND .............................. –0.3V to VDD + 0.3V Operating Temperature Range ........................................ –40°C to +85°C Storage Temperature Range ......................................... –65°C to +150°C Junction Temperature .................................................................... +150°C NOTE: (1) Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. Exposure to absolute maximum conditions for extended periods may affect device reliability. ELECTROSTATIC DISCHARGE SENSITIVITY This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled with appropriate precautions. Failure to observe proper handling and installation procedures can cause damage. ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be more susceptible to damage because very small parametric changes could cause the device not to meet its published specifications. PACKAGE/ORDERING INFORMATION PRODUCT LINEARITY DIFFERENTIAL ERROR NONLINEARITY (LSB) (LSB) PACKAGE-LEAD PACKAGE DESIGNATOR(1) SPECIFIED TEMPERATURE RANGE ORDERING NUMBER PACKAGE MARKING TRANSPORT MEDIA, QUANTITY DAC7742 ±6 ±4 LQFP-48 PT –40°C to +85°C DAC7742Y/250 DAC7742Y Tape and Reel, 250 " " " " " " DAC7742Y/2K " Tape and Reel, 2000 DAC7742 ±4 ±2 LQFP-48 PT –40°C to +85°C DAC7742YB/250 DAC7742YB Tape and Reel, 250 " " " " " " DAC7742YB/2K " Tape and Reel, 2000 DAC7742 ±3 ±1 LQFP-48 PT –40°C to +85°C DAC7742YC/250 DAC7742YC Tape and Reel, 250 " " " " " " DAC7742YC/2K " Tape a.


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