CXLC8975 CXLC8976由18+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。这个装置包括一个Vcom缓冲器和18个伽马缓冲器。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:30mA）
电源工作范围：6.5V至19.5V
18+1频道：
18个缓冲器，每个连续输出电流为±30mA（最大值）
1个Vcom缓冲器，连续输出电流为±100mA（最大值）；VDD=10V时的电源电流：14mA（典型值）
单位增益Vcom缓冲器，能够驱动大电容负载，输入共模范围超出轨道
轨对轨输出电压摆动
峰值输出电流：
缓冲区：120mA
Vcom缓冲器：±300毫安
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[ CXLC8975 ]
目录
7.相关产品
产品概述 返回TOP
The CXLC8975 CXLC8976 consists of 18+1 channel buffers target toward the needs of thin film transistor liquid crystal display (TFT LCD). This device incorporates one Vcom buffer and 18 gamma buffers. Each buffer is capable of driving heavy capacitive loads and offering large current loading (Vcom: 100mA, Gammas: 30mA). The CXLC8975 CXLC8976 is available in the TQFP7X7-48 and TQFP7X7-48 (FD) package.
产品特点 返回TOP
„ Supply Operation Range : 6.5V to 19.5V
„ 18+1 Channels :
--- 18 Gamma Buffers with each Continuous Output Current of ±30mA (MAX)
--- 1 Vcom Buffer with Continuous Output Current of ±100mA (MAX) „ Supply Current at VDD=10V : 14mA (TYP)
„ Unity Gain Vcom Buffer Capable of Driving Large Capacitive Loads „ Input Common Mode Range beyond the Rails
„ Rail-to-Rail Output Voltage Swing
„ Peak Output Current :
--- Gamma Buffer : ±120mA
--- Vcom Buffer : ±300mA
„ TQFP7X7-48 & TQFP7X7-48 (FD) Package Available
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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