ADC1242CIJ National Semiconductor, ADC1242CIJ Datasheet
ADC1242CIJ
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ADC1242CIJ Summary of contents
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... No missing codes over temperature Y TTL MOS input output compatible Y Standard 28-pin ceramic DIP Y TRI-STATE is a registered trademark of National Semiconductor Corporation Connection Diagram Order Number ADC1242CIJ See NS Package Number J28A TL H 11735 – 1 February 1995 12 Bits plus Sign (max LSB ( ...
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... Bipolar Full Power Bandwidth (Note 17) t Aperture Time Ap Aperture Jitter (Notes 1 2) ESD Susceptability (Note 5) Soldering Information J Package (10 seconds Operating Ratings Temperature Range 0 3V) CC ADC1242CIJ and (Notes 6 and Negative Supply Voltage ( Reference Voltage 875 mW (V ...
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Digital and DC Electrical Characteristics e The following specifications apply for V CC unless otherwise specified Boldface limits apply for T (Notes 6 and 7) Symbol Parameter V Logical ‘‘1’’ Input Voltage for IN(1) All Inputs except CLK IN V ...
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AC Electrical Characteristics The following specifications apply for Boldface limits apply for Symbol Parameter f Clock Frequency CLK Clock Duty Cycle t Conversion Time C t Acquisition Time A (Note 15) t ...
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AC Electrical Characteristics Note 7 A diode exists between AV and DV as shown below guarantee accuracy it is required that the AV and Note 8 Accuracy is guaranteed MHz ...
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AC Electrical Characteristics FIGURE 1b Simplified Error Curve vs Output Code without Auto-Cal or Auto-Zero Cycles FIGURE 1c Simplified Error Curve vs Output Code after Auto-Cal Cycle Typical Performance Characteristics Zero Error vs V (Continued) Zero Error Change vs Ambient ...
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Typical Performance Characteristics Linearity Error vs V REF Bipolar Signal-to- a Noise Distortion Ratio vs Input Frequency Bipolar Signal-to- a Noise Distortion Ratio vs Input Signal Level Bipolar Spectral Response with 1 kHz Sine Wave Input (Continued) Linearity Error vs ...
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Test Circuits FIGURE 2 TRI-STATE Test Circuits and Waveforms Timing Diagrams Auto-Cal Cycle ( 11735 – 11735 – Don’t Care) 8 ...
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Timing Diagrams (Continued) Normal Conversion with Auto-Zero (CAL Normal Conversion without Auto-Zero (CAL 11735 – 11735 – 16 ...
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Pin Descriptions DV (28) The digital and analog positive power supply CC AV (4) pins The digital and analog power supply CC voltage range of the ADC1242 guarantee accuracy it is required that ...
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Functional Description Digital Control Inputs CAL FIGURE 3 Function of the A D Control Inputs The table in Figure 3 ...
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Analog Considerations FIGURE 5 Analog Input Equivalent Circuit For absolute accuracy where the analog input varies be- tween very specific voltage limits the reference pin can be biased with a time and temperature stable voltage source In general ...
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Dynamic Performance Many applications require the A D converter to digitize ac signals but the standard dc integral and differential nonlin- earity specifications will not accurately predict the A D con- verter’s performance with ac input signals The ...
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... National does not assume any responsibility for use of any circuitry described no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications Ceramic Dual-In-Line Package (J) Order Number ADC1242CIJ NS Package Number J28A 2 A critical component is any component of a life ...