CXLC8981 CXLC8982包括一次性可编程（OTP）存储器，用于将DAC代码存储在芯片上，从而消除了对外部EEPROM的需求。该芯片支持多达100次对OTP存储器的写操作。CXLC8981 CXLC8982有一个I 2 C接口，用于设置VCOM参考电压并写入OTP存储器。CXLC8981 CXLC8982为TFT-LCD面板VCOM调整提供可编程参考电压。7位数模转换器（DAC）检测来自外部电阻分压器的电流，以产生VCOM参考电压。此电压用作高电流驱动电压缓冲器的输入
[ CXLC8981 ]
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7.相关产品
产品概述 返回TOP
产品特点 返回TOP
„ Integrated Nonvolatile Memory to Store VCOM Setting
„ 100 Programming Times
„ I 2 C Interface
„ 7-Bit, Adjustable Sink-Current Device
„ Resistor-Adjustable, Full-Scale Range
„ 2.5V to 3.6V Logic Supply Range
„ 7V to 18V Analog Supply Range
„ Protections:
Š Over Current Protection (OCP)
Š Over Temperature Protection (OTP)
„ TDFN3X3-8 Package
„ RoHS Compliant
应用范围 返回TOP
„ TFT-LCD Panels
技术规格书（产品PDF) 返回TOP
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产品封装图 返回TOP
电路原理图 返回TOP
a
|
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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