Datasheet > TSSOP-28

TSSOP-28

更新时间： 2022-09-17 01:03:23

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友顺 - UTC		/
页数	文件大小	规格书
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描述
16-BIT CCD/CIS ANALOG SIGNAL PROCESSOR

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数据手册

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TSSOP-28 数据手册

M1008

Preliminary

CMOS IC

FUNCTIONAL DESCRIPTION (Cont.)

Enable

Delay

1=on

CDS1

Delay

CDS2

Delay

ADCK

Delay

MUX order

Channel Select

1=R-G-B

(Note)

0=B-G-R

1=Red

(Note)

0=off

1=Green

0=off

(Note)

1=Blue

0=off

(Note)

1=4ns

1=2ns

(Note)

0=2ns

(Note)

0=2ns

(Note)

0=0ns

(Note)

0=off

MUX Register Settings

Note: Power-on default value

PGA Gain Registers

There are three PGA registers for use in respectively programming the gain of the red, green and blue

channels. Bits D8, D7 and D6 in each register must hold low, and bits D5 through D0 control the gain range in 64

increments. The coding for the PGA registers is a straight binary. An all zero word corresponds to the minimum gain

setting (1x) and an all one word corresponds to the maximum gain setting (5.85x).

The M1008 distributes one Programmable Gain Amplifier (PGA) for each channel. Each PGA has a gain range

from 1x (0dB) to 5.85x (15.3dB), adjustable in 64 steps. Although the gain curve is approximately linear in dB, the

gain in V/V varies in nonlinear proportion with the register code, according to the following the equation:

5.85

Gain =

63- G

1+ 4.85*(

)

Where G is the decimal value of the gain register contents, and varies from 0 to 63.

MSB

LSB

0 (Note)

Gain(V/V) Gain(dB)

1.0

0.0

1.013

0.12

5.43

5.85

14.7

15.3

Note: Power-on default value

Offset Registers

There are three PGA registers for use in respectively programming the offset of the red, green, and blue

channels. Bits D8 through D0 control the offset range from -250mV to 250mV in 512 increments.

The coding for the offset registers is sign magnitude, with D8 as the sign bit. The following table shows the

offset range as a function of the bits D8 through D0.

Offset(mV)

MSB

LSB

0.98

0 (Note)

250

-0.98

-250

Note: Power-on default value

UNISONIC TECHNOLOGIES CO., LTD

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QW-R502-434.a

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