CXLC8980由14+1通道缓冲组成，以满足薄膜晶体管液晶显示器（TFT-LCD）的需要。该装置包括一个Vcom缓冲器和14个gamma缓冲器，并通过I2 C接口编程。它包含两个寄存器组，可以存储两组不同的gamma参考值。每个缓冲器能够驱动重电容负载并提供大电流负载（Vcom:100mA，Gammas:25mA）。
电源工作范围：6.5V至18V
14+1频道：
---14通道轨对轨可编程缓冲器
每个通道10位分辨率
每个通道的25毫安输出电流
---1通道轨对轨Vcom缓冲器：
7位可调输出
输出电流±100mA
140mA输出短路电流
20V/μs转换率
2线I2 C从模式接口
使用一个控制管脚使能将数据存储到非易失性存储器（NVM）
非易失性存储器（NVM）存储设置（至少100次重新写入）
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[ CXLC8980 ]
目录
7.相关产品
产品概述 返回TOP
The CXLC8980 consists of 14+1 channel buffers target toward the needs of thin film transistor liquid crystal display (TFT LCD). This device incorporates one Vcom buffer and 14 gamma buffers, and are programmed through I2 C interface. It contains two register banks which can store two different sets of gamma reference values. Each buffer is capable of driving heavy capacitive loads and offering large current loading (Vcom: 100mA, Gammas: 25mA). The CXLC8980 is available in the TQFN5X5-32 package.
产品特点 返回TOP
„ Supply Operation Range : 6.5V to 18V
„ 14+1 Channels :
--- 14 Channel Rail-to-Rail Programmable Gamma Buffers
Š 10 bits Resolution for each Channel
Š 25mA Output Current for each Channel
Š 2 Banks Registers Using Bank_Sel to Select which Bank Data Output
---1 Channel Rail-to-Rail Vcom Buffer:
Š 7 Bits Adjustable Output
Š ±100mA Output Current
Š ±140mA Output Short-Circuit Current
Š 20V/μs Slew Rate
„ 2-Wire I2 C Slave Mode Interface
„ Using One Control Pin Enable to Store Data into Non-Volatile Memory (NVM)
„ Non-Volatile Memory (NVM) Store Setting (at Least 100 Re-Write Times)
„ TQFN5X5-32 Package
应用范围 返回TOP
TFT-LCD Monitors
„ LCD Televisions
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产品封装图 返回TOP
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ntegrated Buffer |
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|
Part NO. |
VDD (V) min |
VDD (V) max |
CH Vr+ Vcom |
IOUT (mA) Vr,Vcom |
S/R (V/μs） Vr,Vcom |
BW (MHz） Vr,Vcom |
ISC (mA) Vr,Vcom |
Note |
Package |
|
6.5 |
18 |
1 |
100 |
20 |
19 |
260 |
SMBus, Rail-to-Rail Output |
TDFN3X3-10 |
|
|
9 |
20 |
14+1 |
25, 100 |
16, 70 |
10, 19 |
100, 260 |
Rail-to-Rail Output, SMBus,2 Banks MTP |
QFN5X5-32 |
|
|
6.5 |
19.5 |
18+1 |
30, 100 |
16, 80 |
9, 15 |
120, 300 |
Rail-to-Rail Output |
TQFP7X7-48/(FD) |
|
|
6.5 |
19.5 |
14+1 |
30, 100 |
16, 80 |
9, 15 |
120, 300 |
Rail-to-Rail Output |
TQFP7X7-48/(FD) |
|
|
7 |
20 |
12+1 |
25, 100 |
16, 50 |
30 |
100, 300 |
Rail-to-Rail Output, SMBus,2 Banks REG |
QFN4X4-24 |
|
|
7 |
20 |
16+2 |
25, 100 |
16, 50 |
30 |
100, 300 |
Rail-to-Rail Output, SMBus,2 Banks MTP |
QFN5X5-28 |
|
|
7 |
20 |
12+1+1 |
25, 100 |
16, 50 |
30 |
100, 300 |
Rail-to-Rail Output, SMBus,Banks MTP, CRC |
QFN4X4-24 |
|
|
6.5 |
18 |
14+1 |
25, 100 |
20, 20 |
10, 20 |
75, 140 |
Rail-to-Rail Output,SMBus ,2 Banks MTP, Checksum |
TQFN5X5-32 |
|
|
7 |
18 |
1 |
100 |
23 |
20 |
270 |
SMBus,Rail-to-Rail Output |
TDFN3X3-8 |
|
|
7 |
18 |
1 |
100 |
-- |
-- |
-- |
SMBus, VCOM REF |
TDFN3X3-8 |
|
|
7 |
20 |
8+1 |
25, 100 |
16, 50 |
30 |
100, 300 |
SMBus, Rail-to-Rail Output,2 Bank MTP |
QFN4X4-24 |
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