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DAC8043

Burr-Brown Corporation
Part Number DAC8043
Manufacturer Burr-Brown Corporation
Description CMOS 12-Bit Serial Input Multiplying DIGITAL-TO-ANALOG CONVERTER
Published Mar 27, 2005
Detailed Description ® DAC 804 3 DAC8043 CMOS 12-Bit Serial Input Multiplying DIGITAL-TO-ANALOG CONVERTER FEATURES q 12-BIT ACCURACY IN 8-P...
Datasheet PDF File DAC8043 PDF File

DAC8043
DAC8043

Overview
® DAC 804 3 DAC8043 CMOS 12-Bit Serial Input Multiplying DIGITAL-TO-ANALOG CONVERTER FEATURES q 12-BIT ACCURACY IN 8-PIN SOIC q FAST 3-WIRE SERIAL INTERFACE q LOW INL AND DNL: ±1/2 LSB max q GAIN ACCURACY TO ±1LSB max q LOW GAIN TEMPCO: 5ppm/°C max q OPERATES WITH +5V SUPPLY q TTL/CMOS COMPATIBLE q ESD PROTECTED APPLICATIONS q AUTOMATIC CALIBRATION q MOTION CONTROL q MICROPROCESSOR CONTROL SYSTEMS q PROGRAMMABLE AMPLIFIER/ ATTENUATORS q DIGITALLY CONTROLLED FILTERS DESCRIPTION The DAC8043 is a 12-bit current output multiplying digital-to-analog converter (DAC) that is packaged in a space-saving, surface-mount 8-pin SOIC.
Its 3-wire serial interface saves additional circuit board space which results in low power dissipation.
When used with microprocessors having a serial port, the DAC8043 minimizes the digital noise feedthrough from its input to output.
The serial port can be used as a dedicated analog bus and kept inactive while the DAC8043 is in use.
Serial interfacing reduces the complexity of opto or transformer isolation applications.
The DAC8043 contains a 12-bit serial-in, parallel-out shift register, a 12-bit DAC register, a 12-bit CMOS DAC, and control logic.
Serial input (SRI) data is clocked into the input register on the rising edge of the clock (CLK) pulse.
When the new data word had been clocked in, it is loaded into the DAC register by taking the LD input low.
Data in the DAC register is converted to an output current by the D/A converter.
The DAC8043 operates from a single +5V power supply which makes the DAC8043 an ideal low power, small size, high performance solution for several applications.
RFB 1 12-Bit D/A Converter 2 3 RFB IOUT VREF 12 5 LD 12-Bit DAC Register 8 12 4 12-Bit Input Shift Register VDD GND 7 CLK 6 SRI International Airport Industrial Park • Mailing Address: PO Box 11400, Tucson, AZ 85734 • Street Address: 6730 S.
Tucson Blvd.
, Tucson, AZ 85706 • Tel: (520) 746-1111 • Twx: 910-952-1111 Internet: http://www.
burr-brown.
com...


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