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TPF111U-CR

CategoryOther integrated circuit (IC)    Drive chip   
File Size625KB,10 Pages
Manufacturer3PEAK INCORPORATED
Websitehttp://www.3peakic.com.cn

3PEAK is a global semiconductor supplier that provides analog power, signal chain and embedded processor product portfolios. It is committed to the research and development of high-performance, high-quality, and high-reliability integrated circuit products to provide customers with comprehensive solutions. Its product applications cover many fields such as communications, industry, security monitoring, medical and health, instrumentation, new energy, and automotive industries. 3PEAK is headquartered in Plano, Texas, USA and Shanghai, China, with a global support team and resources to help customers.

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TPF111/TPF111U
Ultra-low Power, 1-Channel 6
th
-Order SD Video Filter Driver
特性
单通道
SDTV
视频放大
6
th
-order Butterworth
½通视频重构滤波器:
-3dB带½ 9MHz,阻带抑制 57.2dB (27MHz)
多样化的输入偏½电路:
-
DC-耦合时提供80-mV电平移½
-
AC-耦合时提供透明钳½及80-mV电平移½
-
允许AC-耦合时带DC-偏½
极½静态电流:3.85mA(典型值)
压摆率:38V/µ
s
6dB
增益(2V/V),½至½输出
允许交流或直流耦合输出,允许驱动
2
路视频
线路或驱动
75Ω
½电压范围:+2.85V 至
+5.5V
单电源
优化的高性½ESD保护及浪涌保护:
-
HBM 8KV, CDM 2KV
绿色产品,小型
SC70
封装
产品描述
TPF111
是一款专门针对消费类应用而设计的½成
本视频重构滤波器,它将卓越的视频指标与½功耗
进行完美结合, 非常适合便携式视频滤波应用。
该滤
波器是一个六阶
Butterworth
滤波放大器,适合用于
DAC
重构滤波或者
ADC
抗混叠滤波。-3dB 衰减频
率为
9MHz
的滤波器,½该器件成为包括
NTSC
PAL
在内的标清视频应用的理想选择。
TPF111
的动态范围满足要求最严苛的视频系统所
需,其输入可灵活½用交流耦合或直流耦合。片上
集成优化的
Transparent Sync-tip Clamp
电路,交流耦
合输入时钳½电路将
CVBS、
RGB
信号的同步
Y'
电平固定在
40mV,上拉电阻可以将无同步信号的
Pb'、Pr'
信号偏½;同时,片上
Level Shifter
电路将
信号整½抬升
80mV,
由此可以½视频信号无失真的
通过器件。直流耦合输入时片上
Level Shifter
工½,
以允许完整的同步动态范围信号干净的通过该器件。
TPF111
适合用于视频信号的各种输出缓冲应用,它
提供
6dB
增益
(2V/V),支持½至½输出,支持交流
或直流线路驱动。
TPF111
具备优化的高性½静电防护及浪涌保护,非
常适合用于机顶盒等设备的视频输出驱动以保护系
统的主板器件。
TPF111
采用
+2.85V
+5.5V
单电源供电,静态电
流½至
3.85mA,非常适合用于½功耗或功率敏感的
USB
供电或电池供电应用。
TPF111-C
采用
5-引脚 SC70
封装,TPF111-S 采用
8-
引 脚
SOIC
封 装 , 工 ½ 温 度 范 围 为
−40° C
+85° C
工业温度范围。
应用
视频信号放大
机顶盒视频输出驱动
PVR、DVD
媒½播放器的视频缓冲
USB供电、便携式设备的视频信号放大缓冲
高清电视机
设计支持
AN-1201: TPF1xx系列产品应用指南
功½方框图
+Vs
TPF111
gm
80mV
Level
Shift
LPF
Sync-Tip Clamp
(DC Restore)
6-Pole
9-MHz
6dB
Video
Input
Video
Output
+Vs
GND
REV 2.2
www.3peakic.com
©
2011 3PEAK INCORPORATED
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