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ADC16071 Datasheet(PDF) 1 Page - National Semiconductor (TI) |
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ADC16071 Datasheet(HTML) 1 Page - National Semiconductor (TI) |
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1 / 20 page  TLH11454 February 1995 ADC16071ADC16471 16-Bit Delta-Sigma 192 kss Analog-to-Digital Converters General Description The ADC16071ADC16471 are 16-bit delta-sigma analog- to-digital converters using 64 c oversampling at 12288 MHz A 5th-order comb filter and a 246 tap FIR deci- mation filter are used to achieve an output data rate of up to 192 kHz The combination of oversampling and internal digi- tal filtering greatly reduces the external anti-alias filter re- quirements to a simple RC low pass filter The FIR filters offer linear phase response 0005 dB passband ripple and t 90 dB stopband rejection The ADC16071ADC16471’s analog fourth-order modulator uses switched capacitor technology A built-in fully-differential bandgap voltage ref- erence is also included in the ADC16471 The ADC16071 has no internal reference and requires externally applied reference voltages The ADC16071ADC16471 use an advanced BiCMOS pro- cess for a low power consumption of 500 mW (max) while operating from a single 5V supply A power-down mode re- duces the power supply current from 100 mA (max) in the active mode to 13 mA (max) The ADC16071ADC16471 are ideal analog-to-digital front ends for signal processing applications They provide a complete high resolution signal acquisition system that re- quires a minimal external anti-aliasing filter reference or interface logic The ADC16071ADC16471’s serial interface is compatible with the DSP56001 TMS320 and ADSP2100 digital signal processors Key Specifications Y Resolution 16 bits Y Total harmonic distortion 48 kHz output data rate b 94 dB (typ) 192 kHz output data rate b 80 dB (typ) Y Maximum output data rate 192 kHz (min) Y Power dissipation Active 192 kHz output data rate 500 mW (max) 48 kHz output data rate 275 mW (max) Power-down 65 mW (max) Key Features Y Voltage reference (ADC16471 only) Y Fourth-order modulator Y 64 c oversampling with a 12288 MHz sample rate Y Adjustable output data rate from 7 kHz to 192 kHz Y Linear-phase digital anti-aliasing filter 0005 dB passband ripple 90 dB stopband rejection Y Single a5V supply Y Power-down mode Y Serial data interface compatible with popular DSP devices Applications Y Medical instrumentation Y Process control systems Y Test equipment Y High sample-rate audio Y Digital Signal Processing (DSP) analog front-end Y Vibration and noise analysis Connection Diagram TLH11454 – 2 Ordering Information Part No Package NS Package No ADC16471CIN 24-Pin Molded DIP N24C ADC16471CIWM 24-Pin SOIC M24B ADC16071CIN 24-Pin Molded DIP N24C ADC16071CIWM 24-Pin SOIC M24B TRI-STATE is a registered trademark of National Semiconductor Corporation C1995 National Semiconductor Corporation RRD-B30M75Printed in U S A |
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Similar Description - ADC16071 |
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