HomedatasheetDAC7802L

DAC7802L Datasheet

Dual Monolithic CMOS 12-bit Multiplying Digital-to-analog Converters
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Description

Features, Applications

Dual Monolithic CMOS 12-Bit Multiplying DIGITAL-TO-ANALOG CONVERTERS
FEATURES

q TWO D/As A 0.3" WIDE PACKAGE q SINGLE +5V SUPPLY q HIGH SPEED DIGITAL INTERFACE: Parallel--DAC7802 q MONOTONIC OVER TEMPERATURE q LOW CROSSTALK: �94dB min q FULLY SPECIFIED OVER TO +85OC

APPLICATIONS

q PROCESS CONTROL OUTPUTS q ATE PIN ELECTRONICS LEVEL SETTING q PROGRAMMABLE FILTERS q PROGRAMMABLE GAIN CIRCUITS q AUTO-CALIBRATION CIRCUITS

DESCRIPTION

The DAC7800, DAC7801 and DAC7802 are members of a new family of monolithic dual 12-bit CMOS multiplying digital-to-analog converters. The digital interface speed and the AC multiplying performance are achieved by using an advanced CMOS process optimized for data conversion circuits. High stability on-chip resistors provide true 12-bit integral and differential linearity over the wide industrial temperature range +85oC. DAC7800 features a serial interface capable of clocking-in data at a rate of at least 10MHz. Serial data is clocked (edge triggered) MSB first into a 24-bit shift register and then latched into each D/A separately or simultaneously as required by the application. An asynchronous CLEAR control is provided for poweron reset or system calibration functions. It is packaged 16-pin 0.3" wide plastic DIP. DAC7801 has + 4) double-buffered interface. Data is first loaded (level transferred) into the input registers in two steps for each D/A. Then both D/As are updated simultaneously. DAC7801 features an asynchronous CLEAR control. DAC7801 is packaged 24-pin 0.3" wide plastic DIP. DAC7802 has a single-buffered 12-bit data word interface. Parallel data is loaded (edge triggered) into the single D/A register for each D/A. DAC7802 is packaged 24-pin 0.3" wide plastic DIP.

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/ FAXLine: (800) 548-6133 (US/Canada Only) Cable: BBRCORP Telex: 066-6491 FAX: (520) 889-1510 Immediate Product Info: (800) 548-6132

SPECIFICATIONS

At VDD = +5VDC, VREF A = VREF to +85�C, unless otherwise noted. 7801, 7802K PARAMETER ACCURACY Resolution Relative Accuracy Differential Nonlinearity Gain Error Gain Temperature Coefficient(1) Output Leakage Current REFERENCE INPUT Input Resistance Input Resistance Match DIGITAL INPUTS VIH (Input High Voltage) VIL (Input Low Voltage) IIN (Input Current) CIN (Input Capacitance) POWER SUPPLY VDD IDD Power Supply Rejection 4.5 0.2 VDD from to 5.5V CONDITIONS MIN TYP MAX 7801, 7802L MIN T �1 TYP MAX UNITS Bits LSB ppm/�C V mA

OUTPUT OP AMP OPA602. At VDD = +5VDC, VREF A = VREF = +25�C, unless otherwise noted. These specifications are fully characterized but not subject to test. 7801, 7802K PARAMETER OUTPUT CURRENT SETTLING TIME DIGITAL-TO-ANALOG GLITCH IMPULSE AC FEEDTHROUGH OUTPUT CAPACITANCE CHANNEL-TO-CHANNEL ISOLATION VREF A to IOUT B CONDITIONS 0.01% of Full Scale = 13pF VREF A = VREF = 13pF fVREF = 10kHz DAC Loaded with All 0s DAC Loaded with All 1s fVREF = 10kHz VREF = 0V, Both DACs Loaded with 1s fVREF = 10kHz VREF = 0V, Both DACs Loaded with 1s Full Scale Transition 13pF �90 MIN TYP T MAX 7801, 7802L MIN TYP MAX T UNITS �s nV-s pF dB

The information provided herein is believed to be reliable; however, BURR-BROWN assumes no responsibility for inaccuracies or omissions. BURR-BROWN assumes no responsibility for the use of this information, and all use of such information shall be entirely at the user's own risk. Prices and specifications are subject to change without notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. BURR-BROWN does not authorize or warrant any BURR-BROWN product for use in life support devices and/or systems.

PRODUCT DAC7802KU DAC7802LU PACKAGE 16-Pin PDIP 16-Pin PDIP 16-Lead SOIC 16-Lead SOIC 24-Pin DIP 24-Pin DIP 24-Lead SOIC 24-Lead SOIC 24-Pin DIP 24-Pin DIP 24-Lead SOIC 24- Lead SOIC PACKAGE DRAWING NUMBER(1) RELATIVE ACCURACY �1LSB �1/2LSB GAIN ERROR �3LSB �1LSB

NOTE: (1) For detailed drawing and dimension table, please see end of data sheet, or Appendix C of Burr-Brown IC Data Book.

= +25�C, unless otherwise noted. VDD to AGND................................................................................. 0V, +7V VDD to DGND................................................................................. 0V, +7V AGND to DGND.......................................................................... �0.3, VDD Digital Input to DGND......................................................... �0.3, VDD + 0.3 VREF A, VREF B to AGND..................................................................... �20V VREF A, VREF B to DGND..................................................................... �20V IOUT A, IOUT B to AGND................................................................. �0.3, VDD Storage Temperature Range........................................... to +125�C Operating Temperature Range.......................................... to +85�C Lead Temperature (soldering, 10s)................................................ +300�C Junction Temperature...................................................................... +175�C

Electrostatic discharge can cause damage ranging from performance degradation to complete device failure. Burr-Brown Corporation recommends that all integrated circuits be handled and stored using appropriate ESD protection methods. Digital Inputs: All digital inputs of the DAC780X family incorporate on-chip ESD protection circuitry. This protection is designed and has been tested to withstand five 2500V positive and negative discharges (100pF in series with 1500) applied to each digital input. Analog Pins: Each analog pin has been tested to Burr-Brown's analog ESD test consisting of five 1000V positive and negative discharges (100pF in series with 1500) applied to each pin. AGND, IOUT, and RFB show some sensitivity. Failure to observe ESD handling procedures could result in catastrophic device failure.


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Manufacturer information

BURR-BROWN CORPORATION
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