Datasheet > AD8383ACPZ

AD8383ACPZ

更新时间： 2024-02-09 00:08:02

品牌	Logo	应用领域
罗彻斯特 - ROCHESTER		驱动接口集成电路
页数	文件大小	规格书
17页	1335K
描述
LIQUID CRYSTAL DISPLAY DRIVER, QCC48, 7 X 7 MM, 0.85 MM HEIGHT, MO-220VKKD-2, LFCSP-48

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AD8383ACPZ 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Active	零件包装代码：	QFN
包装说明：	7 X 7 MM, 0.85 MM HEIGHT, MO-220VKKD-2, LFCSP-48	针数：	48
Reach Compliance Code：	unknown	风险等级：	5.75
Is Samacsys：	N	数据输入模式：	PARALLEL
接口集成电路类型：	LIQUID CRYSTAL DISPLAY DRIVER	JESD-30 代码：	S-XQCC-N48
JESD-609代码：	e3	长度：	7 mm
湿度敏感等级：	3	复用显示功能：	NO
功能数量：	1	区段数：	6
端子数量：	48	最高工作温度：	75 °C
最低工作温度：		封装主体材料：	UNSPECIFIED
封装代码：	HVQCCN	封装形状：	SQUARE
封装形式：	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	峰值回流温度（摄氏度）：	260
认证状态：	COMMERCIAL	座面最大高度：	1 mm
标称供电电压：	3.3 V	电源电压1-Nom：	15.5 V
表面贴装：	YES	温度等级：	COMMERCIAL EXTENDED
端子面层：	MATTE TIN	端子形式：	NO LEAD
端子节距：	0.5 mm	端子位置：	QUAD
处于峰值回流温度下的最长时间：	40	宽度：	7 mm
Base Number Matches：	1

AD8383ACPZ 数据手册

AD8383

Power-Up and Power-Down Sequencing

PCB

As indicated in the Absolute Maximum Ratings, the voltage at

any input pin cannot exceed its supply voltage by more than

0.5 V. To ensure compliance with the Absolute Maximum

Ratings, power-up and power-down sequencing may be

required.

PCB

CASE

During power-up, initial application of nonzero voltages to any

of the input pins must be delayed until the supply voltage ramps

up to at least the highest maximum operational input voltage.

AIR-PCB

AIR-CASE

During power-down, the voltage at any input pin must reach

zero during a period not exceeding the hold-up time of the

power supply.

Failure to comply with the Absolute Maximum Ratings may

result in functional failure or damage to the internal ESD

diodes.

Figure 15. Simplified Thermal Equivalent Circuit

Verification of the Maximum Operating Junction

Temperature

Damaged ESD diodes may cause temporary parametric failures,

which may result in image artifacts. Damaged ESD diodes

cannot provide full ESD protection, thus reducing reliability.

In order to verify the system thermal design for compliance

with the maximum operating junction temperature specifica-

tion, temperature measurements T_CASEand T_PCBare required at

the maximum possible total power dissipation in a complete,

fully assembled LCD projection system.

The recommended sequence is

Power ON

Maximum possible total power dissipation of the AD8383

occurs when the video input to the projector is a pattern with

1-pixel-wide white and black vertical lines. An alternative

pattern that results in the maximum possible total power

dissipation is a 1-pixel checkerboard pattern. The expected total

power dissipation of the AD8383 in a 60 Hz, 6-channel XGA

projector displaying the 1-pixel-wide vertical line or checker-

board pattern is 1.08 W (at AVCC = 15.5 V, VCOM = 7 V, and

LCD capacitance = 150 pF).

1. Apply power to supplies.

2. Apply power to other I/Os.

Power OFF

1. Remove power from I/Os.

2. Remove power from supplies.

VBIAS Generation—V1, V2 Input Pin Functionality

Although the case and PCB temperatures are highly dependent

on the PCB design, their measured values are expected to be

similar at approximately 40°C above the ambient (on a typical

PCB with a minimal airflow whose thermal design follows the

recommendations described in this note). The junction temper-

ature then calculates to approximately 10°C above the case and

PCB temperatures. At a 70°C ambient temperature, the junction

temperature is expected to be at approximately 120°C.

In order to avoid image flicker, a bias voltage of approximately

1 V minimum must be maintained across the pixels of HTPS

LCDs. The AD8383 provides two methods of maintaining this

bias voltage.

Internal Bias Voltage Generation

Standard systems that internally generate the bias voltage

reserve the upper-most code range for the bias voltage and use

the remaining code range to encode the video for gamma

correction.

The AD8383 has a relatively small thermal mass. In order to

minimize measurement errors due to the thermal mass of the

measuring device, a small-gauge thermocouple or a thermal

probe with a very small thermal mass is required for the mea-

surement of T_CASEand T_PCB

Rev. 0 | Page 13 of 16

1...11 12 131415 16 17

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与AD8383ACPZ相关器件

型号	品牌	描述	获取价格	数据表
AD8384	ADI	10-Bit, 6-Channel Decimating LCD DecDriver-R with Level Shifters	获取价格
AD8384ASVZ	ADI	10-Bit, 6-Channel Decimating LCD DecDriver-R with Level Shifters	获取价格
AD8385	ADI	10-Bit, 12-Channel Decimating LCD DECDRIVER with Level Shifters	获取价格
AD8385ASVZ	ADI	10-Bit, 12-Channel Decimating LCD DECDRIVER with Level Shifters	获取价格
AD8386	ADI	10-Bit, 12-Channel Output Decimating LCD Driver	获取价格
AD8386JCPZ	ADI	10-Bit, 12-Channel Output Decimating LCD Driver	获取价格

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