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MP8798

Exar Corporation
Part Number MP8798
Manufacturer Exar Corporation
Description 1 MSPS 10-Bit Analog-to-Digital Converter
Published Dec 26, 2010
Detailed Description MP8798 CMOS Very Low Power, 1 MSPS 10-Bit Analog-to-Digital Converter with 4-Channel Mux FEATURES • • • • • • • • • • • ...
Datasheet PDF File MP8798 PDF File

MP8798
MP8798


Overview
MP8798 CMOS Very Low Power, 1 MSPS 10-Bit Analog-to-Digital Converter with 4-Channel Mux FEATURES • • • • • • • • • • • • 10-Bit Resolution 4-Channel Mux Sampling Rates from <1 kHz to 1 MHz Very Low Power CMOS - 30 mW (typ) Power Down; Lower Consumption – 3 mW (typ) Input Range between GND and VDD No S/H Required for Analog Signals less than 100 kHz No S/H Required for CCD Signals less than 1 MHz Single Power Supply (4 to 6 Volts) Latch-Up Free High ESD Protection: 4000 Volts Minimum 3 V Version: MP87L98 BENEFITS • • • • • • • • Reduced Board Space (Small Package) Reduced External Parts, No Sample/Hold Needed Suitable for Battery & Power Critical Applications Designer can Adapt Input Range & Scaling µP/DSP Interface and Control Applications High Resolution Imaging – Scanners & Copiers Wireless Digital Communications Multiplexed Data Acquisition APPLICATIONS GENERAL DESCRIPTION The MP8798 is a flexible, easy to use, precision 10-bit Analog-to-Digital Converter with 4-channel mux that operates over a wide range of input and sampling conditions.
The MP8798 can operate with pulsed “on demand” conversion operation or continuous “pipeline” operation for sampling rates up to 1 MHz.
The elimination of the S/H, requirements, very low power, and small package size offer the designer a low cost solution.
No sample and hold is required for charge couple device applications, up to 1 MHz, or multiplexed input applications when the signal source bandwidth is limited to 100 kHz.
The input architecture of the MP8798 allows direct interface to any analog input range between AGND and AVDD (0 to 2 V, 1 to 4 V, 0 to 5 V, etc.
).
The user simply sets VREF(+) and VREF(–) to encompass the desired input range.
Scaled reference resistor tap 1/2 R allows for customizing the transfer curve as well as providing a 1/2 span reference voltage.
Digital outputs are CMOS and TTL compatible.
The MP8798 uses a two-step flash technique.
The first segment converts the 4 MSBs and consists of 15 autobala...


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