IMX045PQ Sony Electronics, IMX045PQ Datasheet

IMX045PQ

Manufacturer Part Number

IMX045PQ

Description

1.4 ?m Unit Pixel High Picture Quality Cmos Sensors For Cellular Phones Feature The Industry S Smallest 1 Pixel Size

Manufacturer

Sony Electronics

Datasheet

1.IMX045PQ.pdf (2 pages)

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In general, when making pixels even smaller,

the area of the pixel aperture becomes smaller

and it becomes more difficult for the pixel to

collect light. As a result, picture quality is

reduced by the corresponding reduction in

The camera function in cellular phones is being used increasingly in daily life due to its convenience. As a result, even

higher picture quality is now required to allow use as a recording medium that is always close at hand. In addition,

cellular phones themselves are becoming smaller and slimmer to improve their designer image, and even further

miniaturization is desired in the cameras used in these products.

Sony has now developed fabrication technology that can create the industry's smallest

1.4 µm, and has now developed three CMOS sensors, with 5, 8, and 12M-pixel resolutions, using this technology.

In addition to the miniaturization and increased resolution provided by this 1.4 µm unit pixel, Sony has also achieved

high sensitivity and a high signal-to-noise ratio in these devices by developing a new condensing structure and new

process technologies to support the finer pixel pitch.

IMX045PQ/

IMX046PQ/

IMX060PQ

1 As of Spring 2009.

IMX045PQ

■ Diagonal 4.5 mm (Type 1/4)

■ Frame rate: 22.5 frame/s

IMX046PQ

■ Diagonal 5.76 mm (Type 1/3.2)

■ Frame rate: 15 frame/s

IMX060PQ

■ Diagonal 7.1 mm (Type 1/2.5)

■ Frame rate: 10 frame/s

The Industry's Smallest Pixel and

Highest Pixel Count Achieved

5.15M effective pixels

8.11M effective pixels

12.25M effective pixels

“Exmor” is a trademark of Sony Corporation.

“Exmor” is a version of Sony’s high performance

CMOS sensor with high-speed processing,

low noise and low power dissipation by using

column-parallel A/D conversion.

1.4 µm Unit Pixel High Picture Quality

CMOS Sensors for Cellular Phones

Feature the Industry's Smallest

sensitivity and signal-to-noise ratio.

In the development of those devices, Sony

reexamined the optimal condensing structure

for this 1.4 μm fine unit pixel and succeed

in improving the condensing ratio. Also, by

developing new fine pixel fabrication process

technologies, Sony achieved an aperture ratio

in the light accepting area equivalent to that

of Sony's existing 1.75 μm unit pixel. As a

result of these new technologies, these new

devices achieve the same high sensitivity

and high signal-to-noise ratio of the 1.75 μm

unit pixel despite the 1.4 μm pixel size. (See

tables 1 and 2.)

Furthermore, as a result of developing this

1.4 μm pixel, the IMX060PQ achieves the

industry's highest pixel count for a Type 1/2.5

sensor of 12.25M pixels, which corresponds

to a factor of about 1.5 increase in pixel count

over existing products. Despite its small size,

the IMX060PQ can acquire finely detailed

images. (See photograph 1.)

In this device, Sony succeeded in reducing

the size of the circuits in the pixel periphery

by introducing a new fine fabrication process

technology.

In addition to Sony's unique column-

parallel A/D conversion circuits having a

structure that is easy for the fine fabrication

technologies designed for digital circuits to

handle, Sony was able to reduce the number

Pixel Peripheral Circuits

Miniaturized

unit pixel with a width of only

of circuits by a factor of 2 due to the greater

efficiency of these A/D converters. This

contributed to a significant size reduction.

(See figure 1.)

These products support the MIPI interface,

which is the next generation high-speed

serial interface standard for cellular phones

equipment, as the output format for captured

image data. This makes it possible to connect

these sensors to next generation multimedia

processors that include an MIPI interface.

These devices also provide a wide range

of readout modes that support high-speed

video. In addition to pixel elimination mode,

pixel addition readout mode, and window

cropping mode, they also provide 720p and

1080p modes as HDTV modes. (See table 3.)

These devices respond to a wide range of user

needs in addition to the small size and high

pixel counts they provide.

Wide Range of Solutions

We succeeded in creating a CMOS

sensor product with a unit pixel size of

1.4 μm, which goes beyond the trend

in CCD image sensor miniaturization.

This is the result of the design and

manufacturing groups working together

as a single team towards the goal of

improving, even slightly, the image quality

from the cameras that are always at

hand. We strongly recommend that you

look into this product.

Pixel Size

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IMX045PQ Summary of contents

Page 1

... In addition to the miniaturization and increased resolution provided by this 1.4 µm unit pixel, Sony has also achieved high sensitivity and a high signal-to-noise ratio in these devices by developing a new condensing structure and new process technologies to support the finer pixel pitch Spring 2009. IMX045PQ ■ Diagonal 4.5 mm (Type 1/4) 5.15M effective pixels ■ Frame rate: 22.5 frame/s IMX046PQ ■ ...

Page 2

... Digital (Max.) Table 2 Image Sensor Characteristics Item IMX045PQ IMX046PQ Sensitivity (F5.6) Min Saturation signal Min. 280 mV Table 3 Readout Modes Item IMX045PQ All-pixel scan 22.5 frame/s 45 frame/s Vertical 1/2 elimination Frame Vertical 1/4 elimination 90 frame/s rate Vertical 1/8 elimination 180 frame/s HD720p 60 frame/s HD1080p 30 frame/s 6 ...

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