HomedatasheetDAC2814BP

DAC2814BP Datasheet

ti DAC2814, Dual 12-Bit Digital-to-analog Converter (Serial Interface)
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Description

Features, Applications

FEATURES

q COMPLETE DUAL DAC INCLUDES INTERNAL REFERENCES AND OUTPUT AMPLIFIERS q GUARANTEED SPECIFICATIONS OVER TEMPERATURE q GUARANTEED MONOTONIC OVER TEMPERATURE q HIGH-SPEED SERIAL INTERFACE (10MHz CLOCK) q LOW POWER: (150mW/DAC) q LOW GAIN DRIFT: 5ppm/�C q LOW NONLINEARITY: �1/2 LSB max q UNIPOLAR OR BIPOLAR OUTPUT q CLEAR/RESET TO UNIPOLAR OR BIPOLAR ZERO

DESCRIPTION

The DAC2814 is one in a family of dual and quad 12bit digital-to-analog converters. Serial, 8-bit, 12-bit interfaces are available. The DAC2814 is complete. It contains CMOS logic, switches, a high-performance buried-zener reference, and low-noise bipolar output amplifiers. No external components are required for either unipolar �10V, or bipolar �10V output ranges. The DAC2814 has a high-speed serial interface capable of being clocked at 10MHz. Serial data are clocked DAC B MSB first into a 24-bit shift register, then strobed into each DAC separately or simultaneously as required. The DAC has an asynchronous clear control for reset to unipolar or bipolar zero depending on the mode selected. This feature is useful for power-on reset or system calibration. The DAC2814 is packaged a 24-pin plastic DIP rated for the to +85�C extended industrial temperature range. High-stability laser-trimmed thin film resistors assure high reliability and true 12-bit integral and differential linearity over the full specified temperature range.

International Airport Industrial Park Mailing Address: PO Box 11400 Tel: (520) 746-1111 Twx: 910-952-1111 Cable: BBRCORP � 1991 Burr-Brown Corporation

Tucson, AZ 85734 Street Address: 6730 S. Tucson Blvd. Tucson, AZ 85706 Telex: 066-6491 FAX: (520) 889-1510 Immediate Product Info: 548-6132 PDS-1103B Printed in U.S.A. October, 1993

SPECIFICATIONS, Guaranteed over to +85�C unless otherwise specified.

Specifications as shown for = +5V, and = 2k unless otherwise noted. DAC2814AP PARAMETER DIGITAL INPUTS Resolution VIH (Input High Voltage) VIL (Input Low Voltage) IIN ( Input Current) CIN (Input Capacitance) DIGITAL OUTPUT Data Out VOL VOH ACCURACY Integral, Relative Linearity (1) Differential Nonlinearity (2) Unipolar Offset Error Bipolar Zero Error Gain Error Unipolar, Bipolar Power Supply Sensitivity (3) TEMPERATURE DRIFT Gain Drift Unipolar, Bipolar Unipolar Offset Drift Bipolar Zero Drift REFERENCE OUTPUT Output Voltage Reference Drift Output Current Max Load Capacitance (For Stability) Short Circuit Current Load Regulation ( VOUT vs ILOAD) Supply Regulation ( VOUT vs VS) INVERTER �10V Reference(4), Inverter Output �10V Reference Drift DC Output Impedance Output Current Max Load Capacitance (For Stability) Short Circuit Current REFERENCE INPUT Reference Input Resistance Inverter Input Resistance BPO Input Resistance Reference Input Range ANALOG SIGNAL OUTPUTS Voltage Range DC Output Impedance Output Current Max Load Capacitance (For Stability) Short Circuit Current DYNAMIC PERFORMANCE(5) Unipolar Mode Settling Time Bipolar Mode Settling Time Slew Rate Small-Signal Bandwidth ANALOG GROUND CURRENT (Code Dependent) DIGITAL CROSSTALK D/A GLITCH IMPULSE Full Scale Transition CL= to +85�C ISINK = 1.6mA ISOURCE 0 +2.4 CONDITIONS MIN to +85�C TYP MAX MIN * DAC2814BP TYP MAX UNITS Bits pF V LSB mV % ppmFSR/V

SPECIFICATIONS
(CONT), Guaranteed over to +85�C unless otherwise specified.

Specifications as shown for = +5V, and = 2k unless otherwise noted. DAC2814AP PARAMETER POWER SUPPLY +VS and �VS +VL +IS �IS +IL Total Power, All DACs TEMPERATURE RANGE Specified Operating Thermal Resistance JA CONDITIONS MIN �11.4 4.5 TYP MAX MIN * DAC2814BP TYP MAX UNITS �C � C/W

NOTES: (1) End point linearity. (2) Guaranteed monotonic. (3) Change in bipolar full scale output. Includes voltage output DAC, voltage reference, and reference inverter. (4) Inverter output with inverter input connected to +VREF. (5) Guaranteed but not tested.

+VL to AGND................................................................................. 0V, +7V +VL to DGND................................................................................ 0V, +7V +VS to AGND.............................................................................. 0V, +18V �VS to AGND............................................................................... 0V,�18V AGND to DGND................................................................................ �0.3V Any digital input to DGND.............................................. �0.3V, +VL +0.3V Ref In to AGND.................................................................................. �25V Ref In to DGND.................................................................................. �25V Storage Temperature Range.......................................... to +125�C Operating Temperature Range......................................... to +85�C Lead Temperature (soldering, 10s)................................................ +300�C Junction Temperature.................................................................... +155�C Output Short Circuit................................... Continuous to common or �VS Reference Short Circuit.............................. Continuous to common or +VS

MODEL DAC2814AP DAC2814BP PACKAGE 24-Pin Plastic DIP 24-Pin Plastic DIP PACKAGE DRAWING NUMBER(1) 167

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

Electrostatic discharge can cause damage ranging from performance degradation to complete device failure. BurrBrown Corporation recommends that all integrated circuits be handled and stored using appropriate ESD protection methods.

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.


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