PDF ADCS-2021 Data sheet ( Hoja de datos )

Número de pieza	ADCS-2021
Descripción	CMOS Image Sensors
Fabricantes	Agilent(Hewlett-Packard)
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No Preview Available ! Agilent ADCS-1021, ADCS-2021 CMOS Image Sensors Data Sheet Description The ADCS-1021 and ADCS-2021 CMOS Image Sensors capture high quality, low noise images while consuming very low power. These parts integrate a highly sensitive active pixel photodiode array with timing control and onboard A/D conversion. Avail- able in either VGA (640x480) or CIF (352x288) resolution image arrays, the devices are ideally suited for a wide variety of applications. The ADCS-2021 and ADCS-1021, 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-2021 and ADCS-1021 sensors deliver unparalleled performance for mainstream imaging applications. ADCS-2021 (VGA) and ADCS-1021 (CIF) are CMOS active pixel image sensors with inte- grated A/D conversion and full timing control. They provide random access of sensor pixels, which allows windowing and panning capabilities. The sensor is designed for video conferencing applications and still image capabilities. The ADCS family achieves excellent image quality with very low dark current, high sensitivity, and superior anti- blooming characteristics. The devices operate from a single DC bias voltage, are easy to configure and control, and feature low power consumption. Programmable Features • Programmable window size ranging from the full array down to a 4 x 4 pixel window • Programmable panning capability which allows a specified window (minimum 4x4 pixels) to be located anywhere on the sensor array • Integrated programmable gain amplifiers with independent gain control for each color (R, G, B) • Internal register set programmable via either the UART or Synchronous serial interface • Integrated timing controller with rolling electronic shutter, row/ column addressing, and operating mode selection with programmable exposure control, frame rate, and data rate • Programmable horizontal, vertical, and shutter synchronization signals • Programmable horizontal and vertical blanking intervals Key Specifications and Features • High quality, low cost CMOS image sensors • Industry-standard 32-pin CLCC package • VGA resolution (640H x 480V)– ADCS-2021 • CIF resolution (352H x 288V)– ADCS-1021 • 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-2021): 10 bit, programmable CIF (ADCS-1021): 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 Applications • Digital still camera • PC camera • Handheld computers • Cellular phones • Notebook computers • Toys 1 page Typical Application 30 MHz Clock 27 12 IMODE0 11 IMODE1 Vdd 3 nTRISTATE 10K ADCS-1021 Clk D0 D1 D2 D3 D4 D5 D6 D7 DRDY 2 1 30 29 28 21 20 19 26 nRST_nSTBY 13 nROW nFRAME_nSYNC 14 9 NC 10 nIRQ NC 4 NC 18 17 Analog Analog Digital Digital Vdd GND GND Vdd 23, 8, 16 22, 7, 25, 32, 24, 31, 5 15 6 3.3V Regulator 3.3V Regulator Star Ground D0 D1 D2 D3 D4 D5 D6 D7 DATA READY Reset End of Row End of Frame Parallel Interface TxD/RxD Clock Serial Interface Host System Typical Electrical Specifications Part Number Pixel size Maximum Clock Rate Effective Sensor Dynamic Range Effective Noise Floor Dark Signal [1,3] Saturation Voltage Full Well Capacity Conversion Gain [2] Programmable Gain Range Fill Factor Exposure Control Supply Voltage Absolute Max. Power Supply Voltage Absolute Max. DC Input Voltage (any pin) Power Consumption (typical) Power Consumption (max) Optical Format Operating Temperature Storage Temperature Notes: 1. Specified over complete pixel area 2. Measured at unity gain 3. Excludes dark current shot noise ADCS-2021 (VGA) 7.4 x 7.4 µm 25 MHz (VGA) 65 dB (VGA) 43 e- 240 e-/sec (@ 22°C) 1.22 V 68,000 e- 17 µV/e- 1– 40 (8 bit resolution) 42% 0.5 µsec minimum, 0.5 µsec increments 3.3 V, -5%/+10% 3.6 V 3.6 V 150 mW operating, 150 µW standby 200 mW operating, 3.3 mW standby 1/3” -5° to +65°C -40° to +125°C ADCS-1021 (CIF) 7.4 x 7.4 µm 32 MHz (CIF) 61 dB (CIF) 43 e- 240 e-/sec (@ 22°C) 1.22 V 68,000 e- 17 µV/e- 1– 40 (8 bit resolution) 42% 0.5 µsec minimum, 0.5 µsec increments 3.3 V, -5%/+10% 3.6 V 3.6 V 150 mW operating, 150 µW standby 200 mW operating, 3.3 mW standby 1/4” -5° to +65°C -40° to +125°C 5 5 Page

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