ADC08351CIMTC National Semiconductor, ADC08351CIMTC Datasheet
ADC08351CIMTC
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ADC08351CIMTC Summary of contents
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... Fabricated on a 0.35 micron CMOS process, the ADC08351 is offered in TSSOP and is designed to operate over the commercial temperature range of −20˚C to +85˚C. Pin Configuration Ordering Information ADC08351CIMTC TSSOP ADC08351CIMTCX TSSOP (tape & reel) TRI-STATE ® registered trademark of National Semiconductor Corporation. © 2000 National Semiconductor Corporation Features ...
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ADC08351 Block Diagram Pin Descriptions and Equivalent Circuits Pin Symbol No REF CLK thru D0–D7 10 www.national.com Equivalent Circuit Analog signal input. Conversion range is 0.5 V 0.68 V ...
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Pin Descriptions and Equivalent Circuits Pin Symbol Equivalent Circuit No. 11 DGND 18, 19 AGND (Continued) Description Positive digital supply pin. Connect to a clean, quiet voltage source of +3V ...
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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 or Output Pin Ground Difference (AGND–DGND) CLK, OE Voltage Range Digital Output Voltage ( ...
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Converter Electrical Characteristics The following specifications apply for MHz, 50% duty cycle, unless otherwise specified. CLK Boldface limits apply for MIN Symbol Parameter Digital Output Characteristics I High Level Output Current OH ...
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Converter Electrical Characteristics Note 8: To guarantee accuracy required that V Note 9: Typical figures are 25˚C, and represent most likely parametric norms. Test limits are guaranteed to National’s AOQL (Average Outgoing Quality J Level). ...
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Typical Performance Characteristics specified (Continued) SINAD and ENOB vs f CLK DS100895-16 THD DS100895-19 Spectral Response @ 42 MSPS DS100895-22 Specification Definitions ANALOG INPUT BANDWIDTH is a measure of the fre- quency at which the reconstructed output ...
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Specification Definitions FULL SCALE OFFSET ERROR is the difference between the analog input voltage that just causes the output code to transition to the full scale code (all 1’s in the case of the ADC08351) and the ideal value of ...
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Timing Diagram (Continued) Functional Description The ADC08351 achieves 6.8 effective bits at 21 MHz input frequency with 42 MHz clock frequency digitizing to eight bits the analog signal at V that is within the nominal voltage IN range of 0.5 ...
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Applications Information the analog supply pin should be minimized, keeping it below 200 mV at 100 kHz. Of course, higher frequency noise on P-P the power supply should be even more severely limited. No pin should ever have a voltage ...
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Applications Information ac performance, isolating the ADC clock from any digital cir- cuitry should be done with adequate buffers, as with a clock tree. See Figure good practice to keep the ADC clock line as short ...
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Applications Information FIGURE 5. AC Coupled Circuit for a Low Impedance Source Located Near the Converter FIGURE 6. Non-inverting Input Circuit for Remote Signal Source www.national.com (Continued) 12 DS100895-27 DS100895-28 ...
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Applications Information ACCURATELY EVALUATING THE ADC If a signal that is spectrally impure is presented to the ADC, the output from the ADC cannot be pure. Nearly all signal generators in use today produce signals that are not spec- trally ...
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Applications Information inject noise into the system and may be difficult to detect with an oscilloscope. A resistor of about 50 with the offending digital input will usually eliminate the prob- lem. Care should be taken not to overdrive 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. inches (millimeters) unless otherwise noted 20-Lead TSSOP Order Number ADC08351CIMTC NS Package Number MTC20 2. A critical component is any component of a life ...