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ADS7800

Part Number	ADS7800
Manufacturer	Burr-Brown Corporation
Description	12-Bit 3ms Sampling ANALOG-TO-DIGITAL CONVERTER
Published	Mar 23, 2005
Detailed Description	ADS7800 SBAS001A – OCTOBER 1989 – REVISED FEBRUARY 2004 12-Bit 3µs Sampling ANALOG-TO-DIGITAL CONVERTER FEATURES q 333...
Datasheet	ADS7800 PDF File

Overview

ADS7800 SBAS001A – OCTOBER 1989 – REVISED FEBRUARY 2004 12-Bit 3µs Sampling ANALOG-TO-DIGITAL CONVERTER FEATURES q 333k SAMPLES PER SECOND q STANDARD ±10V AND ±5V INPUT RANGES q DC PERFORMANCE OVER TEMP: No Missing Codes 1/2LSB Integral Linearity Error 3/4LSB Differential Linearity Error q AC PERFORMANCE OVER TEMP: 72dB Signal-to-Noise Ratio 80dB Spurious-Free Dynamic Range –80dB Total Harmonic Distortion q INTERNAL SAMPLE/HOLD, REFERENCE, CLOCK, AND THREE-STATE OUTPUTS q POWER DISSIPATION: 215mW max q PACKAGE: 24-Pin Single-Wide DIP 24-Lead SOIC DESCRIPTION The ADS7800 is a complete 12-bit sampling analog-todigital (A/D) converter using state-of-the-art CMOS structures.
It contains a complete 12-bit successive approximation A/D converter with internal sample/hold, reference, clock, digital interface for microprocessor control, and three-state output drivers.
The ADS7800 is specified at a 333kHz sampling rate.
Conversion time is factory set for 2.
70µs max over temperature, and the high-speed sampling input stage insures a total acquisition and conversion time of 3µs max over temperature.
Precision, laser-trimmed scaling resistors provide industry-standard input ranges of ±5V or ±10V.
AC and DC performance are completely specified.
Two grades based on linearity and dynamic performance are available to provide the optimum price/performance fit in a wide range of applications.
The 24-pin ADS7800 is available in plastic and sidebraze hermetic 0.
3" wide DIPs, and in an SOIC package.
It operates from a +5V supply and either a –12V or –15V supply.
The ADS7800 is available in grades specified over 0°C to +70°C and –40°C to +85°C temperature ranges.
±10VIN ±5VIN 2V Reference Out Control Logic Clock CDAC SAR Internal Ref Comparator Output Latches And Three State Drivers BUSY Three State Parallel Output Data Bus Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor p...

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