CXLC8983是适用于TFT-LCD应用的8+1通道数字程控电压参考缓冲器。它由8个通道的缓冲电压发生器和1个更大的通道用于VCOM参考电压补偿。每个gamma和VCOM通道都有自己的10位数模转换器，数字数据通过I2C接口编程，然后存储在集成的NVM中。NVM允许存储两组gamma和VCOM数据。数据集可以在两个寄存器组之间进行动态切换，在gamma曲线上得到快速变化。所有通道都能驱动大容量负载，并提供足够大的电流。
[ CXLC8983 ]
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产品概述 返回TOP
产品特点 返回TOP
„ Supply Operation Range : 7V to 20V
„ 8+1 Channels :
--- 8 Channel Rail-to-Rail Programmable Gamma Buffers:
Š 10 Bits Resolution for Each Channel
Š 25mA Output Current for Each Channel
Š BK_SEL for Switching Stored Data Sets
---1 Channel Rail-to-Rail VCOM Buffer:
Š 7 Bits Adjustable Output
Š ±100mA Output Current
Š ±260mA 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)
„ QFN4X4-24 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
电路原理图 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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