DAC121S101QCMK NSC [National Semiconductor], DAC121S101QCMK Datasheet
DAC121S101QCMK
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DAC121S101QCMK Summary of contents
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Micro Power, RRO Digital-to-Analog Converter General Description The DAC121S101 is a full-featured, general purpose 12-bit voltage-output digital-to-analog converter (DAC) that can op- erate from a single +2.7V to 5.5V supply and consumes just 177 µA of current at 3.6 ...
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... Ordering Information Order Numbers DAC121S101CIMM DAC121S101CIMMX DAC121S101CIMK DAC121S101CIMKX DAC121S101QCMK DAC121S101QCMKX DAC121S101EVAL Block Diagram Pin Descriptions TSOT MSOP (SOT-23) Symbol Pin No. Pin No OUT 2 8 GND SCLK 6 5 SYNC www.national.com Temperature Range Package ≤ ≤ ...
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Absolute Maximum Ratings 2) 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 ...
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Symbol Parameter I Output Short Circuit Current OS LOGIC INPUT I Input Current (Note 10 Input Low Voltage (Note IL V Input High Voltage (Note IH C Input Capacitance (Note IN POWER REQUIREMENTS I Supply Current (output unloaded) ...
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A.C. and Timing Characteristics The following specifications apply for V range 48 to 4047. Boldface limits apply for T Symbol Parameter f SCLK Frequency SCLK Output Voltage Settling Time t s (Note 10) SR Output Slew Rate Glitch Impulse Digital ...
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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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Transfer Characteristic FIGURE 1. Input / Output Transfer Characteristic Timing Diagram FIGURE 2. DAC121S101 Timing 7 20114905 20114906 www.national.com ...
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Typical Performance Characteristics otherwise stated DNL 3.0V A INL 3.0V A TUE 3.0V A www.national.com MHz 25C, Input Code Range 48 to 4047, unless SCLK A ...
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DNL vs 20114922 3V DNL vs. f SCLK 20114950 3V DNL vs. Clock Duty Cycle 20114924 INL vs DNL vs. f SCLK 5V DNL vs. Clock Duty Cycle 9 20114923 20114951 20114925 www.national.com ...
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DNL vs. Temperature 3V INL vs INL vs. Clock Duty Cycle www.national.com 20114926 SCLK 20114928 20114930 10 5V DNL vs. Temperature 20114927 5V INL vs. f SCLK 20114929 5V INL vs. Clock Duty Cycle 20114931 ...
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INL vs. Temperature 20114932 Zero Code Error vs. f SCLK 20114934 Zero Code Error vs. Temperature 20114936 5V INL vs. Temperature Zero Code Error vs. Clock Duty Cycle Full-Scale Error vs 20114933 20114935 SCLK 20114937 www.national.com ...
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Full-Scale Error vs. Clock Duty Cycle Supply Current vs Glitch Response www.national.com Full-Scale Error vs. Temperature 20114938 Supply Current vs. Temperature A 20114944 20114946 12 20114939 20114945 Power-On Reset 20114947 ...
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Wake-Up Time 20114948 5V Wake-Up Time 13 20114949 www.national.com ...
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Functional Description 1.1 DAC SECTION The DAC121S101 is fabricated on a CMOS process with an architecture that consists of switches and a resistor string that are followed by an output buffer. The power supply serves as the reference voltage. ...
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POWER-ON RESET The power-on reset circuit controls the output voltage during power-up. Upon application of power the DAC register is filled with zeros and the output voltage is 0 Volts and remains there until a valid write sequence is ...
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Microwire Interface Figure 8 shows an interface between a Microwire compatible device and the DAC121S101. Data is clocked out on the rising edges of the SCLK signal. FIGURE 8. Microwire Interface 2.2 USING REFERENCES AS POWER SUPPLIES Recall the ...
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FIGURE 11. Using the LP3985 regulator Like any low dropout regulator, the LP2980 requires an output capacitor for loop stability. This output capacitor must be at least 1.0µF over temperature, but values of 2.2µF or more will provide even better ...
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The output voltage of this circuit for any code is found 4096) x ((R1 + R2 where D is the input code in decimal form. With ...
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... Physical Dimensions inches (millimeters) unless otherwise noted Order Numbers DAC121S101CIMK and DAC121S101QCMK 8-Lead MSOP Order Number DAC121S101CIMM NS Package Number MUA08A 6-Lead TSOT NS Package Number MK06A 19 www.national.com ...
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For more National Semiconductor product information and proven design tools, visit the following Web sites at: www.national.com Products Amplifiers www.national.com/amplifiers Audio www.national.com/audio Clock and Timing www.national.com/timing Data Converters www.national.com/adc Interface www.national.com/interface LVDS www.national.com/lvds Power Management www.national.com/power Switching Regulators www.national.com/switchers LDOs ...