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ADS804

Part Number	ADS804
Manufacturer	Burr-Brown Corporation
Description	12-Bit/ 10MHz Sampling ANALOG-TO-DIGITAL CONVERTER
Published	Mar 23, 2005
Detailed Description	ADS804 ADS804E SBAS068B – JANUARY 1997 – REVISED AUGUST 2002 12-Bit, 10MHz Sampling ANALOG-TO-DIGITAL CONVERTER FEATURE...
Datasheet	ADS804 PDF File

Overview

ADS804 ADS804E SBAS068B – JANUARY 1997 – REVISED AUGUST 2002 12-Bit, 10MHz Sampling ANALOG-TO-DIGITAL CONVERTER FEATURES q HIGH SFDR: 80dB at NYQUIST q HIGH SNR: 69dB q LOW POWER: 180mW q LOW DLE: ±0.
3LSB q FLEXIBLE INPUT RANGE q OVERRANGE INDICATOR DESCRIPTION The ADS804 is a high-speed, high dynamic range, 12-bit, pipelined Analog-to-Digital (A/D) converter.
This converter includes a high-bandwidth track-and-hold that gives excellent spurious performance up to and beyond the Nyquist rate.
This high-bandwidth, linear track-and-hold minimizes harmonics and has low jitter, leading to excellent SNR performance.
The ADS804 is also pin-compatible with the 5MHz ADS803 and the 20MHz ADS805.
The ADS804 provides an internal reference and can be programmed for a 2Vp-p input range for the best spurious performance and ease of driving.
Alternatively, the 5Vp-p input range can be used for the lowest input referred noise +VS ADS804 APPLICATIONS q IF AND BASEBAND DIGITIZATION q CCD IMAGING q SCANNERS q TEST INSTRUMENTATION of 0.
09LSBs rms giving superior imaging performance.
There is also a capability to set the input range in between the 2Vpp and 5Vp-p input ranges or to use external reference.
The ADS804 also provides an over-range indicator flag to indicate an input range that exceeds the full-scale input range of the converter.
This flag can be used to reduce the gain of the front end gain-ranging circuitry.
The ADS804 employs digital error correction techniques to provide excellent differential linearity for demanding imaging applications.
Its low distortion and high SNR give the extra margin needed for communications, medical imaging, video, and test instrumentation applications.
The ADS804 is available in a SSOP-28 package.
CLK VDRV Timing Circuitry VIN IN T&H IN (Opt.
) CM 12-Bit Pipelined A/D Converter Core Error Correction Logic D0 3-State Outputs ••• D11 Reference Ladder and Driver Reference and Mode Select OVR REFT VREF SEL REFB OE Please be awa...

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