VV6501 datasheet(58/60 Pages) STMICROELECTRONICS

tên linh kiện	VV6501

Giải thích chi tiết về linh kiện	VGA CMOS Color Image Sensor

PDF	60 Pages

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nhà sản xuất	STMICROELECTRONICS [STMicroelectronics]

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Design-In Information

VV6501

58/60

Design-In Information

10.1

Basic support circuit

10.2

Transistor choice

The ZTX749 has a high min. HFE (lower on-chip current). It is also inexpensive and has good heat

dissipation.

10.3

Pin 1 and image orientation

Please note that for the sensor array to produce a correctly aligned image, pin 1 should be located

at the ‘top’ rather than 180 degrees rotated at the ‘bottom’ (see

Figure 3).

Figure 37 : Basic support circuit

VV6501

Video

Digital

PORB

SUSPEND

CLKIN

n/c

AUDOUTP

AUDOUTN

6.8nF

10uF

2.2uF

470nF

100nF

2K2

2.2uF

100nF

1uF

3V3

4K7

SDA

1V8

3V3

5V0

SCL

STMicroelectronics advises the use of a grounding star point. All

decoupling capacitors should be placed as close to sensor as

possible.

The support circuit outlined above describes a USB based

system with a nominal 5V supplying the device.

AUDREF

A suitable choice for the

bipolar transistor would be a

ZTX749. It satisfies the

technical specification and

is very cost effective.

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