ADC081S021CIMF/NOPB National Semiconductor, ADC081S021CIMF/NOPB Datasheet
ADC081S021CIMF/NOPB
Specifications of ADC081S021CIMF/NOPB
ADC081S021CIMFTR
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ADC081S021CIMF/NOPB Summary of contents
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... Connection Diagram Ordering Information Order Code ADC081S021CISD ADC081S021CISDX ADC081S021CIMF ADC081S021CIMFX ADC081S021EVAL TRI-STATE ® registered trademark of National Semiconductor Corporation. © 2010 National Semiconductor Corporation ADC081S021 Features ■ Specified over a range of sample rates. ■ 6-lead LLP and SOT-23 packages ■ Variable power management ■ ...
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Block Diagram Pin Descriptions and Equivalent Circuits Pin No. Symbol ANALOG I Analog input. This signal can range from DIGITAL I/O 4 SCLK Digital clock input. This clock directly controls the conversion and readout ...
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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. Analog Supply Voltage V A Voltage on Any Analog Pin to GND Voltage on Any Digital Pin to GND Input Current at Any Pin (Note 3) Package Input Current ...
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Symbol Parameter Intermodulation Distortion, Second Order Terms IMD Intermodulation Distortion, Third Order Terms FPBW -3 dB Full Power Bandwidth ANALOG INPUT CHARACTERISTICS V Input Range Leakage Current DCL C Input Capacitance INA DIGITAL INPUT CHARACTERISTICS V Input ...
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Symbol Parameter t Hold Time HOLD DC SCLK Duty Cycle Minimum Timre Required for t ACQ Acquisition t (Note 11) QUIET t Aperture Delay AD t Aperture Jitter AJ Conditions MHz SCLK 5 Limits Typical Units (Note ...
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ADC081S021 Timing Specifications The following specifications apply for ksps to 200 ksps, Boldface limits apply for T SAMPLE Symbol Parameter t Minimum CS Pulse Width CS CS Setup Time prior to SCLK Falling Edge t CSSU ...
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Timing Diagrams FIGURE 1. Timing Test Circuit FIGURE 2. ADC081S021 Serial Timing Diagram 20145412 FIGURE 3. SCLK and CS Timing Parameters 7 20145408 20145406 www.national.com ...
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Specification Definitions ACQUISITION TIME is the time required to acquire the input voltage. That is time required for the hold capacitor to charge up to the input voltage. Acquisition time is measured backwards from the falling edge of ...
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Typical Performance Characteristics MHz to 4 MHz 100 kHz unless otherwise stated. SCLK IN DNL MHz SCLK DNL MHz SCLK DNL vs. Clock Frequency T = +25° ...
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Total Unadjusted Error vs. Clock Frequency V = 3.0V or 5.0V A SINAD vs. Clock Frequency THD vs. Clock Frequency www.national.com SNR vs. Clock Frequency 20145467 SFDR vs. Clock Frequency 20145464 Spectral Response, V 20145468 10 20145463 20145472 = 5V ...
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Spectral Response MHz SCLK 20145470 Power Consumption vs. Throughput MHz SCLK 11 20145455 www.national.com ...
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Applications Information 1.0 ADC081S021 OPERATION The ADC081S021 is a successive-approximation analog-to- digital converter designed around a charge-redistribution dig- ital-to-analog converter core. Simplified schematics of the ADC081S021 in both track and hold modes are shown in Figure 4 and Figure 5, ...
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... CS falling 4.0 TYPICAL APPLICATION CIRCUIT A typical application of the ADC is shown in is provided in this example by the National Semiconductor LP2950 low-dropout voltage regulator, available in a variety of fixed and adjustable output voltages. The power supply pin is bypassed with a capacitor network located close to the ADC ...
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ANALOG INPUTS An equivalent circuit for the ADC's input is shown in 8. Diodes D1 and D2 provide ESD protection for the analog inputs time should the analog input go beyond (V 300 mV) or (GND − ...
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To exit shutdown mode, bring CS back low. Upon bringing CS low, the ADC will begin powering up (power-up time is specified in the Timing Specifications table). This microsec- ond of power-up delay results in the first conversion result being ...
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Physical Dimensions Order Number ADC081S021CISD or ADC081S021CISDX www.national.com inches (millimeters) unless otherwise noted 6-Lead LLP NS Package Number SDB06A 6-Lead SOT-23 Order Number ADC081S021CIMF, ADC081S021CIMFX NS Package Number MF06A 16 ...
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Notes 17 www.national.com ...
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