ADC121S625EVAL/NOPB National Semiconductor, ADC121S625EVAL/NOPB Datasheet
ADC121S625EVAL/NOPB
Specifications of ADC121S625EVAL/NOPB
Related parts for ADC121S625EVAL/NOPB
ADC121S625EVAL/NOPB Summary of contents
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... Order Code Temperature Range ADC121S625CIMM −40˚C to +85˚C ADC121S625CIMMX −40˚C to +85˚C ADC121S625EVAL TRI-STATE ® trademark of National Semiconductor Corporation. MICROWIRE is a trademark of National Semiconductor Corporation. ™ QSPI ™ and SPI ™ are trademarks of Motorola, Inc. © 2005 National Semiconductor Corporation ...
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Block Diagram Pin Descriptions and Equivalent Circuits Pin No. Symbol GND SCLK 8 www.national.com Reference Voltage input. REF +IN Non-inverting input. −IN Inverting input. Ground pin. The ADC is in the ...
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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. Analog Supply Voltage V A Voltage on Any Pin to GND Input Current at Any Pin (Note 3) Package Input Current (Note 3) Power Consumption 25˚C A ESD Susceptibility (Note 5) ...
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ADC121S625 Converter Electrical Characteristics The following specifications apply for V less otherwise noted. Boldface limits apply for T Symbol Parameter ANALOG INPUT CHARACTERISTICS I Reference Current REF DIGITAL INPUT CHARACTERISTICS V Input High Voltage IH V Input Low Voltage IL ...
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ADC121S625 Converter Electrical Characteristics The following specifications apply for V less otherwise noted. Boldface limits apply for T Symbol Parameter POWER SUPPLY CHARACTERISTICS PSRR Power Supply Rejection Ratio AC ELECTRICAL CHARACTERISTICS f Maximum Clock Frequency SCLK f Minimum Clock Frequency ...
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Timing Diagrams Timing Test Circuit Voltage Waveform for D Voltage Waveforms for d OUT www.national.com ADC121S625 Single Cycle Timing Diagram ADC121S625 Double Cycle Timing Diagram 20132708 20132706 , OUT r f 20132711 delay time, t CDV 6 ...
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Specification Definitions APERTURE DELAY is the time between the second falling SCLK edge of a conversion and the time when the input signal is acquired or held for conversion. COMMON MODE REJECTION RATIO (CMRR mea- sure of how ...
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Typical Performance Characteristics kHz unless otherwise stated. DNL - 50 ksps DNL - 200 ksps DNL vs www.national.com T = +25˚ 200 ksps SAMPLE 20132718 20132721 20132723 8 = 3.2 MHz ...
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Typical Performance Characteristics unless otherwise stated. (Continued) DNL vs. f SCLK DNL vs. SCLK DUTY CYCLE DNL vs. TEMPERATURE T = +25˚ 200 ksps SAMPLE 20132725 INL vs. SCLK DUTY CYCLE 20132727 INL vs. TEMPERATURE 20132729 ...
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Typical Performance Characteristics unless otherwise stated. (Continued) SNR vs SINAD vs. V SNR vs. V REF www.national.com T = +25˚ SAMPLE 20132731 A 20132733 20132735 10 = 200 ksps 3.2 MHz ...
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Typical Performance Characteristics unless otherwise stated. (Continued) SINAD vs. V REF SNR vs. CLOCK FREQUENCY SINAD vs. CLOCK FREQUENCY T = +25˚ 200 ksps SAMPLE 20132737 THD vs. CLOCK FREQUENCY 20132739 SFDR vs. CLOCK FREQUENCY 20132741 ...
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Typical Performance Characteristics unless otherwise stated. (Continued) SNR vs. SCLK DUTY CYCLE SINAD vs. SCLK DUTY CYCLE SNR vs. INPUT FREQUENCY www.national.com T = +25˚ 200 ksps SAMPLE THD vs. SCLK DUTY CYCLE 20132743 SFDR vs. ...
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Typical Performance Characteristics unless otherwise stated. (Continued) SINAD vs. INPUT FREQUENCY REF. CURRENT vs. TEMPERATURE (Output = FF8h) SUPPLY CURRENT vs. TEMPERATURE T = +25˚ 200 ksps SAMPLE SFDR vs. INPUT FREQUENCY 20132749 REF. CURRENT vs. ...
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Typical Performance Characteristics unless otherwise stated. (Continued) OFFSET ERROR vs. V GAIN ERROR vs. V Spectral Response - 50 ksps www.national.com T = +25˚ SAMPLE OFFSET ERROR vs. TEMPERATURE REF 20132756 GAIN ERROR vs. TEMPERATURE REF 20132758 20132760 ...
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Functional Description The ADC121S625 analog-to-digital converter uses a succes- sive approximation register (SAR) architecture based upon capacitive redistribution containing an inherent sample/hold function. The architecture and process ADC121S625 to acquire and convert an analog signal at sample rates up to ...
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Functional Description FIGURE 1. V range for Differential Input operation CM FIGURE 2. V range for single-ended operation CM TABLE 1. Allowable V Input Signal Minimum V CM Differential − 0.3V REF Single-Ended V − 0.3V REF ...
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Applications Information 4.0 POWER CONSUMPTION The architecture, design and fabrication process allows the ADC121S625 to operate at conversion rates up to 200ksps while requiring very little power. In order to minimize power consumption in applications requiring sample rates below 50ksps, ...
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Applications Information series resistor can help in this case). Keep in mind that while the AD121S625 draws very little current from the reference on average, there are higher instantaneous current spikes at the reference input that must settle out while ...
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Applications Information FIGURE 4. Motor Control using isolated ADC121S625 FIGURE 5. Interfacing the ADC121S625 to a strain gauge (Continued) 19 20132765 20132766 www.national.com ...
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... BANNED SUBSTANCE COMPLIANCE National Semiconductor manufactures products and uses packing materials that meet the provisions of the Customer Products Stewardship Specification (CSP-9-111C2) and the Banned Substances and Materials of Interest Specification (CSP-9-111S2) and contain no ‘‘Banned Substances’’ as defined in CSP-9-111S2. ...