ADS7800

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 pac...