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ADC14071 Datasheet(PDF) 1 Page - National Semiconductor (TI) |
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ADC14071 Datasheet(HTML) 1 Page - National Semiconductor (TI) |
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1 / 18 page  ADC14071 14-Bit, 7 MSPS, 380 mW A/D Converter General Description The ADC14071 is a 14-bit, monotholic analog to digital con- verter capable of conversion rates up to 8 Megasamples per second. This CMOS converter uses a differential, piperlined architecture with digital error correction and an on-chip track-and-hold circuit to maintain superb dynamic perfor- mance with input frequencies up to 20MHz. Tested and guar- anteed dynamic performance specifications provide the de- signer with known performance. The ADC14071 operates on a +5V single supply consuming just 380mW (typical). The Power Down feature reduces power consumption to 20mW, typical. The differential inputs provide a full scale input swing of ±V REF with the possibility of a single input. Full use of the dif- ferential input is recommended for optimum perfomance. For ease of use, the reference input is single ended. This single- ended reference input is converted on-chip to a differential reference configuration for use by the processing circuitry. Output data format is 14-bit straight binary. The ADC14071 may be used to replace many hybrid con- verters with a resultant saving of space, power and cost. The ADC14071 comes in a 48-pin TQFP and is specified to operate over the industrial temperature range of −40˚C to +85˚C. Features n Single +5V Operation n Power Down Mode n TTL/CMOS Input/Output Compatible Key Specifications n Resolution 14 Bits n Max Conversion Rate 7 Msps (min) n DNL ±0.6 LSB (typ) n SNR (fIN = 500 kHz) 80 dB (typ) n ENOB (fW = 500 kHz) 12.6 Bits (typ) n Supply Voltage +5V ±5% n Power Consumption 380 mW (typ) Applications n Document Scanners n Imaging n Instrumentation n PC-Based Data Acquisition n Spectrum Analyzers n Sonar/Radar n xDSL n Wireless Local Loop n Data Acquisition Systems n DSP Front End Connection Diagram TRI-STATE® is a registered trademark of National Semiconductor Corporation. DS101101-1 November 1999 © 1999 National Semiconductor Corporation DS101101 www.national.com |
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