ADS2806Y/250 ,12-Bit, 32 MSPS Dual ADC, Int/Ext Ref., program. input range w/Out of Range FlagFEATURESAPPLICATIONS* SPURIOUS-FREE DYNAMIC RANGE:* COMMUNICATIONS IF PROCESSING73dB at 10MHz fIN* ..
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ADS2807Y/250G4 ,12-Bit, 50 MSPS Dual ADC, Int/Ext Ref., program. input range w/Out of Range Flg 64-HTQFP ELECTRICAL CHARACTERISTICS (Cont.)At T = full specified temperature range, V = +5V, differential in ..
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ADS2806Y/250
12-Bit, 32 MSPS Dual ADC, Int/Ext Ref., program. input range w/Out of Range Flag
Dual, 12-Bit, 32MHz Sampling
ANALOG-TO-DIGITAL CONVERTER
FEA TURES SPURIOUS-FREE DYNAMIC RANGE:
73dB at 10MHz fIN HIGH SNR: 67dB (2Vp-p), 69dB (3Vp-p) INTERNAL OR EXTERNAL REFERENCE LOW DLE: ±0.4LSB FLEXIBLE INPUT RANGE: 2Vp-p to 3Vp-p TQFP-64 POWER PACKAGE
DESCRIPTIONThe ADS2806 is a dual, high-speed, high dynamic range,
12-bit pipelined Analog-to-Digital Converter (ADC). This con-
verter includes a high-bandwidth track-and-hold that gives
excellent spurious performance up to and beyond the Nyquist
rate. The differential nature of this track-and-hold and ADC
circuitry minimizes even-order harmonics and gives excel-
lent common-mode noise immunity. The track-and-hold can
also be operated single-ended.
The ADS2806 provides for setting the full-scale range of the
converter without any external reference circuitry. The internal
APPLICATIONS COMMUNICATIONS IF PROCESSING COMMUNICATIONS BASESTATIONS TEST EQUIPMENT MEDICAL IMAGING VIDEO DIGITIZING CCD DIGITIZINGreference can be disabled allowing low drive, external refer-
ences to be used for improved tracking in multichannel systems.
The ADS2806 provides an over-range indicator flag to
indicate an input signal that exceeds the full-scale input
range of the converter. This flag can be used to reduce the
gain of front end gain control circuitry. There is also an
output enable pin to allow for multiplexing and testability on
a PC board.
The ADS2806 employs digital error correction techniques to
provide excellent differential linearity for demanding imag-
ing applications. The ADS2806 is available in a TQFP-64
power package.
ADS2806SBAS178B – DECEMBER 2000 – REVISED MAY 2002
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
