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1240 ADCDS-1603 16-Bit, 12-Bit,2.3 40 Megapixels/Second CCD Signal Processor
Preliminary Data For full details go to www.datel.com/rohs
Preliminary
FEATURES
PRODUCT OVERVIEW
2.3 MPPS 40
is an CCD The ADCDS-1603 The ADCDS -1240 is application-specific an application -specific CCD processor for signalsignal processor designeddesigned for electronic-imaging electronic-imaging applications that employ applications that employ CCD's (charge coupled CCD's (charge coupled devices) as their devices) as their photodetector. The ADCDS-1603 photo detector. The ADCDS-1240 utilizes a incorporatesarchitecture a "user configurable" input amplifier, proprietary to convert at high a CDStransfer (correlated double sampler) and a 16-bit pixel rates without compromising system integrity. resolutionnoise sampling A/D converter in a single
Internal 12-bit 16-bit resolution A/D Proprietary correlated double sampling Internal correlated doubler sampler (CDS) Resistor40-pin, programmable adjustment Small, TDIP gain or SMT package from 0dB to 15.5dB Programmable 1.3 LSB RMS NoiseOffset Adjustment
package, providing the user with a complete, high
Gain Small, Adjustment 40-pin, TDIP orFeature SMT package Low cost, complete Analog front functionally end programmable bandwidth Extended temperature range –40ºC to +125ºC Low Power Low power, 674mW Low cost, functionally complete
To maximize dynamic range, this 12-bit performance, low-cost, low-power, integrated CCD Signal Processor incorporates a solution. controlled calibration feature to null digitally multiple CCD output offset errors, and an The key to the ADCDS-1603's performance is a analog input front end that allows the user unique, to makehigh-speed, both gross high-accuracy and fine gain CDS circuit, which eliminates the effects of residual charge, adjustments.
ADCDS-1240 12-BIT, 40 MHz CCD SIGNAL PROCESSOR
charge and "kT/C" noisesampling on the CCD's Using ainjection high-speed, low-noise A/D converter the capacitor, ADCDS-1240 produces a 12-bit, output floating producing a pixel data parallel output, representation of the output signal. Thedigitized ADCDS-1603 digitizes this video output of the CCD. resultant pixel data signal using a high-speed, low-noise sampling A/D converter. The ADCDS-1240 requires only a rising edge of the R_Conv pulse to capture the reference
The ADCDS-1603 requires only the rising edge level of the CCD output and a rising edge of the of start convert pulse initiate its conversion P_Conv to initiate thetoconversion process. process and a Reference Hold command Timing circuitry can be configured suchto that a single clock operating at reference 2x the output rate acquire and hold the CCD leveldata output. will serve as both the R_Conv and P_Conv Additional features of the ADCDS-1603 include signals. gain adjust, offset adjust, precision +2.048V Additional features include precision +10V reference, programmable analogflag. bandwidth reference and and aoutput data overflow function.
1.27 TYP.
2.24 TYP.
0.100 TYP. 0.32 TYP (8.128)
1.900 ±0.008
0.100 TYP. (2.540)
TDIP Package (inches)
0.900 ±0.010
DATEL is a registered trademark of DATEL, Inc. 11 Cabot Boulevard, Mansfield, MA 02048-1151 USA ITAR and ISO 9001/14001 REGISTERED
DATEL, Inc. makes no representation that the use of its products in the circuits described herein, or the use of other technical information contained herein, will not infringe upon existing or future patent rights. The descriptions contained herein do not imply the granting of licenses to make, use, or sell equipment constructed in accordance therewith. Specifications are subject to change without notice
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[email protected]
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