DAC081S101CIMK Datasheet

8-Bit Micro Power Digital-to-Analog Converter with Rail-to-Rail Output <br> The DAC081S101 is a full-featured, general purpose 8-bit voltage-output digital-to-analog converter (DAC) that can operate f


Features, Applications
DAC081S101 8-Bit Micro Power Digital-to-Analog Converter with Rail-to-Rail Output

The is a full-featured, general purpose 8-bit voltage-output digital-to-analog converter (DAC) that can operate from a single to 5.5V supply and consumes just �A 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 to 30 MHz over the specified supply voltage range and is compatible with standard SPITM, QSPI, MICROWIRE and DSP interfaces. Competitive devices are limited to 20 MHz clock rates at supply voltages in the to 3.6V range. The supply voltage for the DAC081S101 serves as its voltage 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 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 temperature range to +105�C.


Guaranteed Monotonicity Low Power Operation Rail-to-Rail Voltage Output Power-on Reset to Zero Volts Output SYNC Interrupt Facility Wide power supply range to +5.5V) Small Packages Power Down Feature

Resolution 8 bits DNL +0.04, -0.02 LSB (typ) Output Settling Time 3 �s (typ) Zero Code Error 3.8 mV (typ) Full-Scale Error -0.07 %FS (typ) Power Consumption Normal Mode mW (5.5V) typ Pwr Down Mode �W (5.5V) typ


Battery-Powered Instruments Digital Gain and Offset Adjustment Programmable Voltage & Current Sources Programmable Attenuators

Order Numbers DAC081S101CIMKX DAC081S101EVAL Temperature Range TA +105�C Package MSOP Tape-and-Reel TSOT Tape-and-Reel Evaluation Board Top Mark X64C X65C

TSOT (SOT-23) Pin No. 2 3 MSOP Pin No. 8 1 Symbol VOUT GND VA Description DAC Analog Output Voltage. Ground reference for all on-chip circuitry. Power supply and Reference input. Should be decoupled to GND. Serial Data Input. Data is clocked into the 16-bit shift register on the falling edges of SCLK after the fall of SYNC. Serial Clock Input. Data is clocked into the input shift register on the falling edges of this pin. Frame synchronization input for the data input. When this pin goes low, it enables the input shift register and data is transferred on the falling edges of SCLK. The DAC is updated on the 16th clock cycle unless SYNC is brought high before the 16th clock, in which case the rising edge of SYNC acts as an interrupt and the write sequence is ignored by the DAC. No Connect. There is no internal connection to these pins.

(Notes 2) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage, VA Voltage on any Input Pin Input Current at Any Pin (Note 3) Package Input Current (Note 3) Power Consumption = 25�C ESD Susceptibility (Note 5) Human Body Model Machine Model Soldering Temperature, Infrared, 10 Seconds (Note -0.3V to (VA 20 mA See (Note 250V 235�C

Operating Temperature Range Supply Voltage, VA Any Input Voltage (Note 7) Output Load SCLK Frequency V to (VA to 30 MHz

Values shown in this table are design targets and are subject to change before product release. The following specifications apply for 2k to GND, pF to GND, fSCLK = 30 MHz, input code range to 251. Boldface limits apply for TMIN TA TMAX: all other limits = 25�C, unless otherwise specified. Symbol Parameter Conditions Typical (Note 9) Limits (Note DNL ZE FSE GE ZCED TC GE Differential Non-Linearity Zero Code Error Full-Scale Error Gain Error Zero Code Error Drift Gain Error Tempco = 5V IOUT = 0 IOUT = 0 All ones Loaded to DAC register VA Units (Limits) Bits (min) Bits (min) LSB (max) LSB (min) LSB (max) LSB (min) mV (max) %FSR (max) %FSR (max) �V/�C ppm/�C V (min) V (max) mV pF Ohm

STATIC PERFORMANCE Resolution Monotonicity INL Integral Non-Linearity

OUTPUT CHARACTERISTICS Output Voltage Range (Note = 3V, IOUT 10 �A ZCO Zero Code Output = 3V, IOUT = 5V, IOUT = 5V, IOUT = 3V, IOUT 10 �A FSO Full Scale Output = 3V, IOUT = 5V, IOUT = 5V, IOUT 100 �A Maximum Load Capacitance DC Output Impedance = 2k



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