DAC08GBC Datasheet

8-Bit, High Speed, Multiplying D/A Converter (Universal Digital Logic Interface)


Features, Applications

8-Bit, High-Speed, Multiplying D/A Converter (Universal Digital Logic Interface) DAC08

full-scale currents eliminates the need for full-scale trimming in most applications. Direct interface to all popular logic families with full noise immunity is provided by the high swing, adjustable threshold logic input. High voltage compliance complementary current outputs are provided, increasing versatility and enabling differential operation to effectively double the peak-to-peak output swing. In many applications, the outputs can be directly converted to voltage without the need for an external op amp. All DAC08 series models guarantee full 8-bit monotonicity, and nonlinearities as tight � 0.1% over the entire operating temperature range are available. Device performance is essentially unchanged over the 18 V power supply range, with 33 mW power consumption attainable 5 V supplies. The compact size and low power consumption make the DAC08 attractive for portable and military/aerospace applications; devices processed to MIL-STD-883, Level B are available. DAC08 applications include 1 �s A/D converters, servo motor and pen drivers, waveform generators, audio encoders and attenuators, analog meter drivers, programmable power supplies, CRT display drivers, high-speed modems and other applications where low cost, high speed and complete input/ output versatility are required.

FEATURES Fast Settling Output Current: 85 ns Full-Scale Current Prematched to 1 LSB Direct Interface to TTL, CMOS, ECL, HTL, PMOS Nonlinearity to 0.1% Maximum over Temperature Range High Output Impedance and Compliance: +18 V Complementary Current Outputs Wide Range Multiplying Capability: 1 MHz Bandwidth Low FS Current Drift: 10 ppm/C Wide Power Supply Range: 18 V Low Power Consumption: 5 V Low Cost Available in Die Form

The DAC08 series of 8-bit monolithic digital-to-analog converters provide very high-speed performance coupled with low cost and outstanding applications flexibility. Advanced circuit design achieves 85 ns settling times with very low "glitch" energy and at low power consumption. Monotonic multiplying performance is attained over a wide 20-to-1 reference current range. Matching to within 1 LSB between reference and

Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781/329-4700 www.analog.com Fax: 781/326-8703 � Analog Devices, Inc., 2002

15 V, IREF = 2.0 mA, TA +125C for TA +70C for DAC08E and to +85C for DAC08C, unless otherwise noted. Output characteristics refer to both IOUT and IOUT.)

Parameter Resolution Monotonicity Nonlinearity Settling Time Symbol Conditions Min � 1/2 LSB, All Bits Switched ON or OFF, 25�C1 DAC08A/H Typ Max Min DAC08E Typ Max Min DAC08C Typ Max Unit Bits FS ns

Propagation Delay Each Bit All Bits Switched Full-Scale Tempco1 Output Voltage Compliance (True Compliance) Full Range Current

DAC08E VOC Full-Scale Current Change <1/2 LSB, ROUT 20 M typ VREF 5.000 k VREF �10 V VREF �12 V IREF 2 mA VLC 0 V VIN +0.8 V VIN 15 V1

Full Range Symmetry Zero-Scale Current Output Current Range

Output Current Noise Logic Input Levels Logic "0" Logic Input "1" Logic Input Current Logic "0" Logic Input "1" Logic Input Swing Logic Threshold Range Reference Bias Current Reference Input Slew Rate Power Supply Sensitivity

NOTES 1 Guaranteed by design. Specifications subject to change without notice.
Parameter Reference Input Slew Rate Propagation Delay Settling Time Symbol dI/dt tPLH, tPHL tS

15 V, and IREF = 2.0 mA, unless otherwise noted. Output characteristics apply to both IOUT and IOUT.)

Operating Temperature +125�C DAC08HQ, EQ, CQ, HP, EP. +70�C DAC08CP, CS. to +85�C Junction Temperature (TJ). to +150�C Storage Temperature Q Package. to +150�C Storage Temperature P Package. to +125�C Lead Temperature (Soldering, 60 sec). 300�C V+ Supply to V� Supply. 36 V Logic Inputs. to V� plus 36 V VLC. to V+ Analog Current Outputs (at VS� = 15 V). 4.25 mA Reference Input to V+ Reference Input Differential Voltage 18 V Reference Input Current 5.0 mA

NOTES 1 Absolute maximum ratings apply to both DICE and packaged parts, unless otherwise noted. JA is specified for worst-case mounting conditions, i.e., JA is specified for device in socket for cerdip, Plastic DIP, and LCC packages; JA is specified for device soldered to printed circuit board for SO package.

Q-16 R-16A (Narrow Body) R-16A (Narrow Body) Q-16 R-16A (Narrow Body) R-16A (Narrow Body)

NOTES 1 Devices processed in total compliance to MIL-STD-883. Consult factory for 883 data sheet. 2 For availability and burn-in information on SO and PLCC packages, contact your local sales office. The DAC08 contains 84 transistors. Die size 63 mil x 87 mil = 5,481 square mils.

CAUTION ESD (electrostatic discharge) sensitive device. Electrostatic charges as high 4000 V readily accumulate on the human body and test equipment and can discharge without detection. Although the DAC08 features proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high-energy electrostatic discharges. Therefore, proper ESD precautions are recommended to avoid performance degradation or loss of functionality.



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