ADCS-1021 Agilent(Hewlett-Packard), ADCS-1021 Datasheet

ADCS-1021

Manufacturer Part Number

ADCS-1021

Description

CMOS Image Sensors

Manufacturer

Agilent(Hewlett-Packard)

Datasheet

1.ADCS-1021.pdf (8 pages)

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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

Agilent ADCS-1021, ADCS-2021

CMOS Image Sensors

Data Sheet

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

• Programmable panning capability

• Integrated programmable gain

• Internal register set programmable

• Integrated timing controller with

• Programmable horizontal, vertical,

• Programmable horizontal and

from the full array down to a 4 x 4

pixel window

which allows a specified window

(minimum 4x4 pixels) to be located

anywhere on the sensor array

amplifiers with independent gain

control for each color (R, G, B)

via either the UART or Synchronous

serial interface

rolling electronic shutter, row/

column addressing, and operating

mode selection with programmable

exposure control, frame rate, and

data rate

and shutter synchronization signals

vertical blanking intervals

Key Specifications and Features

• High quality, low cost CMOS image

• Industry-standard 32-pin CLCC

• VGA resolution (640H x 480V)–

• CIF resolution (352H x 288V)–

• High frame rates for digital video

• High sensitivity, low noise design

• Integrated analog-to-digital

• Parallel and serial output

• Automated, dark response

• Automatic subtraction of column

• Still image capability

• Synchronous serial or UART

• Integrated voltage references

Applications

• Digital still camera

• PC camera

• Handheld computers

• Cellular phones

• Notebook computers

• Toys

sensors

package

ADCS-2021

ADCS-1021

VGA: 15 frames/second

CIF: 30 frames/second

ideal for capturing high-quality

images in a variety of lighting

conditions

converters:

VGA (ADCS-2021): 10 bit, programmable

CIF (ADCS-1021): 8 bit, fixed

compensation

fixed pattern noise

interface

Related parts for ADCS-1021

ADCS-1021 Summary of contents

Page 1

... 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 • ...

Page 2

... I C compatible or half duplex UART (9600 baud default). nTristate (pin 3 ADCS-1021 only) must be pulled high for normal operation. The ADCS-2021 does not have nTristate. Parallel Data Output bit parallel data is output from the sensor. A data ready line (DRDY) is asserted when the data is valid ...

Page 3

... Table 1. Register Set Declaration for Agilent ADCS-1021 and ADCS-2021 Image Sensors. Register Name Identifications Register Status Register Interrupt Mask Register Pad Control Register Pad Drive Control Register Interface Control Register Interface Timing Register Baud Fraction Register Baud Rate Register ADC Control Register ...

Page 4

Setting Exposure and Gain The exposure of an image is a function of the exposure and gain registers. Exposure sets the length of time each pixel inte- grates the light (shutter speed). Gain settings allow pixel values to be amplified. ...

Page 5

... 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 (CIF 240 e-/sec (@ 22°C) 1.22 V 68,000 e- 17 µV/e- 1– bit resolution) 42% 0.5 µ ...

Page 6

... Image Array VGA 640 x 480 CIF 352 x 288 Programmable Programmable Programmable Amplifier Amplifier Amplifier Analog to Digital Converter ADCS-1021 32 Pin Package Diagram 20 19 DATA5 21 12 IMODE0 AGND2 IMODE1 22 11 AVDD2 nIRQ_nCC 23 10 VDD3 24 9 nFRAME_nSYNC GND3 25 8 AVDD1 ...

Page 7

... DRDY 18 SDATA_TxD 17 SCLK_RxD 9 nFRAME_nSYNC 14 nROW 10 nIRQ_nCC 5, 31, 24 VDD 6, 32, 25 GND 16 PVDD 8, 23 AVDD 7, 22, 15 AGND ADCS-1021 Pin Description Pkg Pins (Location) Signal Name 11 IMODE1 12 IMODE0 27 CLK 13 nRST_nSTBY 19, 20, 21, 28, 29, 30 Data 7, Data 6,… Data 1, Data 0 26 DRDY 18 SDATA_TxD 17 SCLK_RxD 9 nFRAME_nSYNC ...

Page 8

Packaging General Package Specs • 32-pin CLCC (8 per side) • Package dimensions, optical center shown in diagram below 1.15 ± 0.10 0.50 Die center Glass lid 1.26 ± 0.15 0.55 A-A CROSS SECTION 0.50 PLATED LEAD AREA 1.65 ± ...

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