ADC1175CIMTCX/NOPB National Semiconductor, ADC1175CIMTCX/NOPB Datasheet
ADC1175CIMTCX/NOPB
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ADC1175CIMTCX/NOPB Summary of contents
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... ADC1175's reference ladder is available for connections, en- abling a wide range of input possibilities. The ADC1175 is offered in a TSSOP designed to operate over the commercial temperature range of -20°C to +75°C. Pin Configuration © 2009 National Semiconductor Corporation ADC1175 Features ■ Internal Sample-and-Hold Function ■ ...
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Ordering Information Order Code ADC1175CIJM * ADC1175CIJMX * ADC1175CIMTC ADC1175CIMTCX ADC1175EVAL * * Discontinured in the SOIC (EIAJ) package. The Evaluation Board is also discontinued. Shown for reference only. Block Diagram www.national.com Temperature Description −20°C to +75°C SOIC (EIAJ) −20°C ...
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Pin Descriptions and Equivalent Circuits Pin Symbol No RTS RBS CLK Equivalent Circuit Analog signal input. Conversion range is V Reference Top Bias with ...
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Pin Symbol No. 3 thru 10 D0- 14 www.national.com Equivalent Circuit Conversion data digital Output pins the LSB ...
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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 Voltage on Any Pin CLK, OE Voltage Digital Output Voltage Input Current (Note 3) Package Input Current (Note 3) Package Dissipation at 25°C ESD Susceptibility (Note 5) ...
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Symbol Parameter V Reference Top Self Bias Voltage RT Reference Bottom Self Bias V RB Voltage V - RTS Self Bias Voltage Delta V RBS Reference Voltage Delta RT RB Power Supply Characteristics IA Analog Supply Current ...
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Symbol Parameter SINAD Signal-to- Noise & Distortion SNR Signal-to- Noise Ratio SFDR Spurious Free Dynamic Range THD Total Harmonic Distortion Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for ...
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Typical Performance Characteristics INL vs. Temp at f SNR vs. Temp at f THD vs. Temp www.national.com CLK 10009220 CLK 10009222 10009223 8 DNL vs. Temp at f CLK 10009221 SNR vs. Temp at f CLK 10009233 THD vs. Temp ...
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SINAD/ENOB vs. Temp SINAD and ENOB vs. Clock Duty Cycle SFDR vs. Temp and f IN 10009230 SINAD/ENOB vs. Temp 10009224 SFDR vs. Temp and f 10009225 Differential Gain vs. Temperature 9 10009231 IN 10009229 10009226 www.national.com ...
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Differential Phase vs. Temperature Specification Definitions ANALOG INPUT BANDWIDTH is a measure of the frequen which the reconstructed output fundamental drops 3 dB below its low frequency value for a full scale input. The test is performed with ...
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Timing Diagram FIGURE 1. ADC1175 Timing Diagram 10009212 FIGURE Test Circuit EN DIS 11 10009211 www.national.com ...
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Functional Description The ADC1175 uses a new, unique architecture to achieve 7.2 effective bits at and maintains superior dynamic performance up to ½ the clock frequency. The analog signal at V that is within the voltage range set IN by ...
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FIGURE 3. Simple, Low Component Count, Self -Bias Reference application. Because of resistor tolerances, the reference voltages can vary by as much as 6%. Choose an amplifier that can drive a dynamic capacitance (see text). 13 10009213 www.national.com ...
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FIGURE 4. Better defining the ADC Reference Voltage. Self-bias is still used, but the reference voltages are trimmed by providing a small trim current with the operational amplifiers. www.national.com 14 10009214 ...
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FIGURE 5. Driving the reference to force desired values requires driving with a low impedance source, provided by the transistors. Note that pins 16 and 22 are not connected. 3.0 POWER SUPPLY CONSIDERATIONS Many A/D converters draw sufficient transient current ...
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THE ADC1175 CLOCK Although the ADC1175 is tested and its performance is guar- anteed with a 20MHz clock, it typically will function with clock frequencies from 1MHz to 30MHz. If continuous conversions are not required, power consump- tion can ...
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DV and DGND. These large charging current DD spikes can couple into the analog section, degrading dynamic performance. Buffering the digital data outputs (with an 74AC541, for example) may ...
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Physical Dimensions www.national.com inches (millimeters) unless otherwise noted 24-Lead Package JM Ordering Number ADC1175CIJM NS Package Number M24D 24-Lead Package TC Ordering Number ADC1175CIMTC NS Package Number MTC24 18 ...
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Notes 19 www.national.com ...
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