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DAC081S101CIMKX Datasheet(PDF) 1 Page - National Semiconductor (TI) |
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DAC081S101CIMKX Datasheet(HTML) 1 Page - National Semiconductor (TI) |
1 / 19 page DAC081S101 8-Bit Micro Power Digital-to-Analog Converter with Rail-to-Rail Output General Description The DAC081S101 is a full-featured, general purpose 8-bit voltage-output digital-to-analog converter (DAC) that can operate from a single +2.7V to 5.5V supply and consumes just 175 µA of current at 3.6 Volts. The on-chip output amplifier allows rail-to-rail output swing and the three wire serial interface operates at clock rates up to 30 MHz over the specified supply voltage range and is compatible with stan- dard SPI™, QSPI, MICROWIRE and DSP interfaces. Com- petitive devices are limited to 20 MHz clock rates at supply voltages in the 2.7V to 3.6V range. The supply voltage for the DAC081S101 serves as its volt- age reference, providing the widest possible output dynamic range. A power-on reset circuit ensures that the DAC output powers up to zero volts and remains there until there is a valid write to the device. A power-down feature reduces power consumption to less than a microWatt. The low power consumption and small packages of the DAC081S101 make it an excellent choice for use in battery operated equipment. The DAC081S101 is a direct replacement for the AD5300 and is one of a family of pin compatible DACs, including the 10-bit DAC101S101 and the 12-bit DAC121S101. The DAC081S101 operates over the extended industrial tem- perature range of −40˚C to +105˚C. Features n Guaranteed Monotonicity n Low Power Operation n Rail-to-Rail Voltage Output n Power-on Reset to Zero Volts Output n SYNC Interrupt Facility n Wide power supply range (+2.7V to +5.5V) n Small Packages n Power Down Feature Key Specifications n Resolution 8 bits n DNL +0.04, -0.02 LSB (typ) n Output Settling Time 3 µs (typ) n Zero Code Error 3.8 mV (typ) n Full-Scale Error −0.07 %FS (typ) n Power Consumption — Normal Mode 0.63 mW (3.6V) / 1.41 mW (5.5V) typ — Pwr Down Mode 0.14 µW (3.6V) / 0.33 µW (5.5V) typ Applications n Battery-Powered Instruments n Digital Gain and Offset Adjustment n Programmable Voltage & Current Sources n Programmable Attenuators Pin Configuration 20155101 20155102 Ordering Information Order Numbers Temperature Range Package Top Mark DAC081S101CIMM −40˚C ≤ T A ≤ +105˚C MSOP X64C DAC081S101CIMMX −40˚C ≤ T A ≤ +105˚C MSOP Tape-and-Reel X64C DAC081S101CIMK −40˚C ≤ T A ≤ +105˚C TSOT X65C DAC081S101CIMKX −40˚C ≤ T A ≤ +105˚C TSOT Tape-and-Reel X65C DAC081S101EVAL Evaluation Board SPI™ is a trademark of Motorola, Inc. June 2005 © 2005 National Semiconductor Corporation DS201551 www.national.com |
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