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AMIS-720233-B

更新时间： 2024-02-09 01:04:02

品牌	Logo	应用领域
AMI		传感器换能器图像传感器
页数	文件大小	规格书
12页	516K
描述
Contact Image Sensor

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技术参数
数据手册

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AMIS-720233-B 技术参数

生命周期：	Transferred	Reach Compliance Code：	compliant
风险等级：	5.76	Is Samacsys：	N
Base Number Matches：	1

AMIS-720233-B 数据手册

AMIS-720233-B: Contact Image Sensor

Data Sheet

Table 5: Timing Symbol's Definition

Item

Symbol

Min.

200

Mean

Max.

10000

Units

Clock cycle time

Clock pulse width⁽¹⁾

Clock duty cycle

Data setup time

Data hold time

Prohibit crossing time⁽²⁾

EOS rise delay

EOS fall delay

Signal delay time⁽³⁾

Signal settling time⁽³⁾

Notes:

tds

tdh

tprh

terdl

tefdl

tdl

120

ts/h

Since the clock pulse width varies with the frequency, tw will vary according to duty cycle.

Prohibit crossing time is to insure that no two SPs are locked into the shift register for any single scan time. Since the SP is entered into the shift register during its

active high level when the CP clock edges falls, the active high of the SP is permitted only during one falling, CP clock edges for any given scan. Otherwise,

multiple SPs will load into the shift register.

Pixel delay times and settling time depend on the output amplifier, which is employed. These values, tdl and ts/h, are measured with the amplifier see in Figure 9

using the AMIS-720233-B sensors. Note: The impulse signal current out of the device has pulse width ~ 30ns. Hence, the faster the amplifier with a faster settling

time will yield a signal video pulse with faster rise and settle times.

9.0 Typical A6 CIS Module Circuit

Figure 9 depicts a typical A6 CIS module circuit using the AMIS-720233-B sensors. The circuit is provided as a reference to illustrate

the interconnection of the AMIS-720233-B with a serially cascaded line of image sensors. It is a typical A6 size CIS module produced

by AMIS. It provides the first-time user with additional insight for designing a CIS module and supplements the circuit descriptions

given in Section 5.

The difference is in the arrangement of the two shunt switches - U2D and U2A. U2D is a counterpart to SW in

Figure 5. A DC restoration capacitor, C20, with value of 100pf is added between the shunt’s switch. The first, U2D, clamps the video

line to ground to reset the image sensors. Simultaneously the second, U2A, clamps the node between C20 and amplifier input to an

output reference bias voltage that is on the node between R4 and R9. These resistors are voltage dividers that set the DC operating

level of the amplifier’s output by applying same bias voltage to both inputs of the amplifier. See Figure 9.

AMI Semiconductor –May 06, M-20567-001

www.amis.com

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