agilent technologies cmos monochrome image sensors ADCS-1121 (cif), adcs-2121 (vga) product overview description the ADCS-1121 and adcs-2121 cmos monochrome image sensors capture high quality, low noise images while consuming very low power. housed in a new industry-standard ceramic leadless chip carrier (clcc) packaging, these parts integrate a highly sensitive active pixel photodiode array with timing control and onboard a/d conver- sion. available in either vga (640x480) or cif (352x288) resolution image arrays, the devices are ideally suited for a wide variety of applications. the adcs-2121 and ADCS-1121, when coupled with compatible image processors from either agilent or selected agilent partners, provide a complete imaging system to enable rapid end-product development. designed for low-cost consumer electronic applications, the ADCS-1121 and adcs-2121 image sensors deliver unparal- leled performance for main- stream imaging applications. features high quality, low cost cmos image sensors industry-standard 32-pin clcc package vga resolution (640h x 480v) adcs-2121 cif resolution (352h x 288v) ADCS-1121 high frame rates for digital video vga: 15 frames/second cif: 30 frames/second high sensitivity, low noise design ideal for capturing high-quality images in a variety of lighting conditions integrated analog-to-digital converters: vga (adcs-2121): 10 bit, programmable cif (ADCS-1121): 8 bit, fixed parallel and serial output automated, dark response compensation automatic subtraction of column fixed pattern noise still image capability synchronous serial or uart interface integrated voltage references typical applications bar code scanner biometrics machine vision optical character recognition surveillance
image sensor specifications part number adcs-2121 (vga) ADCS-1121 (cif) active pixel array resolution 640 x 480 352 x 288 pixel size 7.4 x 7.4 m 7.4 x 7.4 m maximum clock rate 25 mhz (vga) 32 mhz (cif) effective sensor dynamic range 65 db (vga) 61 db (cif) effective noise floor 43 e- 43 e- dark signal [1,3] 240 e-/sec (@ 22 c) 240 e-/sec (@ 22 c) saturation voltage 1.22 v 1.22 v full well capacity 68,000 e- 68,000 e- conversion gain [2] 17 v/e- 17 v/e- programmable gain range 1 40 (8 bit resolution) 1 40 (8 bit resolution) fill factor 42% 42% exposure control 0.5 sec minimum, 0.5 sec increments 0.5 sec minimum, 0.5 sec increments supply voltage 3.3 v, -5%/+10% 3.3 v, -5%/+10% absolute max. power supply voltage 3.6 v 3.6 v absolute max. dc input voltage (any pin) 3.6 v 3.6 v power consumption (typical) 150 mw operating, 150 w standby 150 mw operating, 150 w standby power consumption (max) 200 mw operating, 3.3 mw standby 200 mw operating, 3.3 mw standby optical format 1/3 1/4 operating temperature -5 to +65 c-5 to +65 c storage temperature -40 to +125 c -40 to +125 c package type 32-pin clcc 32-pin clcc notes: 1. specified over complete pixel area 2. measured at unity gain 3. excludes dark current shot noise adcs sensor top level block diagram for product information and a complete list of agilent contacts and distributors, please go to our web site. www.agilent.com/semiconductors e-mail: semiconductorsupport@agilent.com data subject to change. copyright ? 2002 agilent technologies, inc. obsoletes 5988-6483en may 7, 2002 5988-6 6 91 en 12c/uart clock programmable amplifier image array vga 640 x 480 cif 352 x 288 analog to digital converter sync/irq 8/10 bit digital output timing controller i 2 c compatible/ uart
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