dac088s085eb National Semiconductor Corporation, dac088s085eb Datasheet
dac088s085eb
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dac088s085eb Summary of contents
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... The DAC088S085 operates over the extended industrial temperature range of −40°C to +125°C. Ordering Information Order Numbers DAC088S085CISQ DAC088S085CISQX DAC088S085CIMT DAC088S085CIMTX DAC088S085EB SPI ™ trademark of Motorola, Inc. © 2007 National Semiconductor Corporation Features ■ Guaranteed Monotonicity ■ Low Power Operation ■ ...
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Block Diagram www.national.com 2 30031303 ...
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Pin Configuration Pin Descriptions LLP TSSOP Symbol Pin No. Pin No OUTA OUTB OUTC OUTD REF1 REF2 8 ...
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Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage Voltage on any Input Pin Input Current at Any Pin (Note 3) Package Input Current ...
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Symbol Parameter Output Short Circuit Current (sink (Note 10) Continuous Output Current per I O channel (Note 9) C Maximum Load Capacitance Output Impedance OUT REFERENCE INPUT CHARACTERISTICS Input Range Minimum Input Range Maximum VREF1,2 ...
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Symbol Parameter Total Power Consumption (output P N unloaded) Total Power Consumption in all PD P Modes, PD (Note 9) A.C. and Timing Characteristics The following specifications apply for 252. Boldface limits apply for T Symbol Parameter ...
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Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is functional, but do not guarantee specific performance limits. For guaranteed specifications and test conditions, see the ...
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Specification Definitions DIFFERENTIAL NON-LINEARITY (DNL) is the measure of the maximum deviation from the ideal step size of 1 LSB, which 256 = V / 256. REF A DAC-to-DAC CROSSTALK is the glitch impulse transferred to a ...
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Typical Performance Characteristics unless otherwise stated INL vs Code INL/DNL vs V REF INL/DNL +2.7V to +5.5V REF1,2 30031352 INL/DNL vs f 30031357 INL/DNL vs Temperature 30031322 ...
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Zero Code Error vs. V Zero Code Error vs. f Full-Scale Error vs. V www.national.com A 30031330 Zero Code Error vs. Temperature SCLK 30031334 A 30031337 10 Zero Code Error vs. V REF 30031331 30031336 Full-Scale Error vs. V REF ...
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Full-Scale Error vs. f SCLK 30031333 I vs 30031344 I vs. V VREF REF 30031325 Full-Scale Error vs. Temperature I vs. Temperature VA I vs. Temperature VREF 11 30031339 30031345 30031335 www.national.com ...
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Settling Time Wake-Up Time Power-On Reset www.national.com Glitch Response 30031328 DAC-to-DAC Crosstalk 30031351 Multiplying Bandwidth 30031347 12 30031346 30031338 30031350 ...
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Functional Description 1.1 DAC ARCHITECTURE The DAC088S085 is fabricated on a CMOS process with an architecture that consists of switches and resistor strings that are followed by an output buffer. The reference voltages are externally applied at V for ...
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D is active. OUT 1.5 DAISY CHAIN OPERATION Daisy chain operation allows communication with any number of DAC088S085s using a single serial interface. As long as the correct number ...
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When the DAC088S085 first powers up, the DAC is in WRM. In WRM, the registers of each individual DAC channel can be written to without causing the DAC outputs to be updated. This is accomplished by setting DB15 to "0", ...
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POWER-ON RESET The power-on reset circuit controls the output voltages of the eight DACs during power-up. Upon application of power, the DAC registers are filled with zeros and the output voltages are set to 0V. The outputs remain at ...
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LM4132 The LM4132, with its ±0.05% accuracy over temperature good choice as a reference source for the DAC088S085. The 4.096V version is useful 4.095V output range is desirable. Bypassing the LM4132 voltage input ...
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ESR. Ceramic capacitors are attractive due to their small size but generally have ESR val- ues that are too low for use with the LP2980. Aluminum electrolytic capacitors are typically not a good choice ...
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ADC Reference Figure 15 shows Channel A of the DAC088S085 providing the drive or supply voltage for a bridge sensor. By having the sensor supply voltage adjustable, the output of the sensor can be optimized to the input level ...
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Programmable Attenuator Figure 16 shows one of the channels of the DAC088S085 being used as a single-quadrant multiplier. In this configura- tion signal can be driven into one of the refer- ence pins. The SPI ...
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LAYOUT, GROUNDING, AND BYPASSING For best accuracy and minimum noise, the printed circuit board containing the DAC088S085 should have separate analog and digital areas. The areas are defined by the loca- tions of the analog and digital power planes. ...
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Physical Dimensions www.national.com inches (millimeters) unless otherwise noted 16-Lead LLP Order Numbers DAC088S085CISQ NS Package Number SQA16A 16-Lead TSSOP Order Numbers DAC088S085CIMT NS Package Number MTC16 22 ...
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Notes 23 www.national.com ...
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