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。
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[ CXLC8983 ]
目录
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产品概述 返回TOP
The CXLC8983 is 8+1 channel digital programed voltage reference buffer suitable for TFT-LCD application. It consists of 8 channels buffered voltage generator for gamma curve adjustment and 1 greater channel for VCOM reference voltage compensation. Each gamma and VCOM channel has its own 10bit digital-to-analog converter, and the digital data is programed through I 2 C interface then store in the integrated NVM. The NVM allows two sets of gamma and VCOM data to be stored. The data sets can be dynamic switched between two register banks obtains rapid changes on gamma curve. All of the channels are capable of driving heavy capacitive loads and offering large current sufficiently. (VCOM: 100mA; Gamma: 25mA) The CXLC8983 is available in the QFN4X4-24 package
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
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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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