ADCS-1021

更新时间： 2024-02-10 21:10:55

品牌	Logo	应用领域
安捷伦 - AGILENT		传感器换能器图像传感器
页数	文件大小	规格书
8页	105K
描述
CMOS Image Sensors

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技术参数
数据手册

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ADCS-1021 技术参数

生命周期：	Obsolete	零件包装代码：	QFJ
包装说明：	WQCCN,	针数：	32
Reach Compliance Code：	unknown	HTS代码：	8542.39.00.01
风险等级：	5.34	模拟集成电路 - 其他类型：	ANALOG CIRCUIT
JESD-30 代码：	S-CQCC-N32	长度：	10.66 mm
功能数量：	1	端子数量：	32
最高工作温度：	65 °C	最低工作温度：	-5 °C
封装主体材料：	CERAMIC, METAL-SEALED COFIRED	封装代码：	WQCCN
封装形状：	SQUARE	封装形式：	CHIP CARRIER, WINDOW
认证状态：	Not Qualified	座面最大高度：	2.23 mm
最大供电电压 (Vsup)：	3.6 V	最小供电电压 (Vsup)：	3 V
标称供电电压 (Vsup)：	3.3 V	表面贴装：	YES
技术：	CMOS	温度等级：	COMMERCIAL
端子形式：	NO LEAD	端子节距：	1.02 mm
端子位置：	QUAD	宽度：	10.66 mm
Base Number Matches：	1

ADCS-1021 数据手册

Table 2. PGA Gain Register Settings.

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. Gain values from

1x to 40x are allowed, but higher

gain settings amplify noise (much

like higher ISO film speeds are

grainier). It is best to use the

lower gain settings for better

images. Gains from 1x to 10x are

generally recommended.

Mnemonic

Address (hex)

PGA Gain Register: Green

PGA Gain Register: Red

PGA Gain Register: Blue

PGA Gain Register: Green

ERECPGA

EROCPGA

ORECPGA

OROCPGA

0x0F

0x10

0x11

0x12

Table 3. Row Exposure Register Settings.

Mnemonic

Address (hex)

Row Exposure Low Register

Row Exposure High Register

Sub-Row Exposure Register

ROWEXPL

ROWEXPH

SROWEXP

0x13

0x14

0x15

Note in Table 2, there are two

green gain registers, one for the

odd number row green pixels and

one for the even number row

green pixels. The green color

filters can be slightly different

between rows and this allows

fine-tuning. Using the same gain

setting for both green registers is

usually enough. Since the blue

channel is not as sensitive, using

blue gains approximately double

that of red and green will allow

the A/D full range on all three

channels.

The row exposure high register

(upper 8 bits) and row exposure

low register (lower 8 bits) act as

a single 16 bit register. This

16 bit register sets the integra-

tion time (shutter speed) of the

sensor. The sub-row exposure

changes to exposure and allow

fine-tuning for exact shutter

speeds.

Image Processing

The raw data from the sensor

requires image processing before

a digital image is ready for

viewing. Some standard steps of

image processing are as follows:

1. Defective pixel correction

2. Lens flare subtraction

3. Auto-exposure

4. Auto-white balance

5. Color filter array interpolation

(demosaic)

6. Color correction (3x3 matrix)

7. Gamma correction

8. Color space correction (3x3

matrix)

Using a MacBeth Color Checker is

a good way to judge exposure and

color balance. A good raw image

will have a good grey scale (the

bottom patches on the chart).

Gain settings should be adjusted

so the red, green, and blue values

are equal on any one grey patch.

After setting gain, the exposure

registers should be adjusted for a

good exposure. There are three

exposure registers (see Table 3).

Proper exposure will result in

black values near 0x00 and white

values near 0xFF (assuming

8 bits). All six grey patches on the

MacBeth chart should have

different average intensity values

in the image. If the two brightest

patches both appear white then

the exposure is too long. If the

two darkest patches both appear

black then the exposure is too

short. Remember that the raw

image does not have gamma

9. Data compression

Image processing is not part of

the sensor and must be supplied

separately. Image processors

that are compatible with these

sensors are available from Agilent

Technologies and selected Agilent

partners.

correction applied yet. The final

grey scale image needs to be

evaluated after gamma correction.

1 2 345 6 7 8

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与ADCS-1021相关器件

型号	品牌	描述	获取价格	数据表
ADCS-1021(CIF)	AGILENT	暂无描述	获取价格
ADCS-1120	AGILENT	Agilent CMOS Monochrome Image Sensors	获取价格
ADCS-1121	AGILENT	CMOS Monochrome Image Sensors	获取价格
ADCS-1121(CIF)	AGILENT	暂无描述	获取价格
ADCS-2021	AGILENT	CMOS Image Sensors	获取价格
ADCS-2021(VGA)	AGILENT	暂无描述	获取价格

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