參數(shù)資料
型號(hào)： MAX7447
廠商： Maxim Integrated Products, Inc.
英文描述： 4-Channel S-Video, CVBS Video Filter with Asynchronous CVBS Input
中文描述： 4通道S視頻、CVBS視頻濾波器，帶有異步CVBS輸入
文件頁(yè)數(shù)： 1/6頁(yè)
文件大?。?/td> 239K
代理商： MAX7447
General Description
The MAX7447 4-channel, buffered video reconstruction
filter is ideal for anti-aliasing and DAC-smoothing video
applications or wherever analog video is reconstructed
from a digital data stream (such as cable/satellite/ter-
restrial set-top boxes, DVD players, hard disk recorders
(HDRs), and personal video recorders (PVRs)). This
device operates from a single +5V supply and has a
flat passband out to 5MHz with a stopband attenuation
of 43dB at 27MHz. This makes it ideal for use with
NTSC, PAL, and standard-definition digital TV (SDTV)
video systems. Each output is capable of driving two
standard 150
video loads.
The MAX7447 processes S-Video and CVBS video sig-
nals. The video output buffers have a fixed gain of +6dB.
Each channel has high-frequency boost circuitry that pro-
vides picture sharpness with up to +1.2dB of gain boost
without degradation in the stopband. The output video
drivers can be disabled with an external pin.
The MAX7447 is available in a 14-pin TSSOP package
with an exposed pad, and is specified over the -40°C to
+85°C extended temperature range.
Applications
DVD Players
Digital VCRs
Set-Top Boxes/HDRs
Game Consoles
Desktop Video Editors
Features
o
4-Channel Filter and Buffer for S-Video and
CVBS Signals
o
Filter Response Ideal for NTSC, PAL, and
Interlaced SDTV Video Signals
o
43dB (typ) Stopband Attenuation at 27MHz
o
±0.75dB (max) Passband Ripple Out to 5MHz
o
Blanking Level Voltage on Output <1V
o
Each Channel Drives Two 150
Video Loads
o
+5V Single-Supply Voltage
o
Small 14-Pin TSSOP Package
M
4-Channel S-Video, CVBS Video Filter with
Asynchronous CVBS Input
________________________________________________________________
Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
1
DISABLE
V
CC
GND
MAX7447
OUTA
*
*
OUTB
*
*
OUTC
*
*
OUTD
*
*
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
*OPTIONAL CAPACITORS
INA
0.1
μ
F
0.1
μ
F
0.1
μ
F
0.1
μ
F
INB
INC
IND
D/A
ENCODER
CVBS
CVBS
Y
C
D/A
D/A
D/A
SYNC
DETECTOR
LOWPASS
FILTER
LOWPASS
FILTER
LOWPASS
FILTER
LOWPASS
FILTER
SYNC
DETECTOR
Functional Diagram
Ordering Information
19-2950; Rev 0; 8/03
*
EP = Exposed pad.
Pin Configuration appears at end of data sheet.
PART
TEMP RANGE
-40
°
C to +85
°
C
PIN-PACKAGE
14 TSSOP-EP*
MAX7447EUD
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX7447EUD 功能描述:有源濾波器 RoHS:否 制造商:Maxim Integrated 通道數(shù)量:1 截止頻率:150 KHz 電源電壓-最大:11 V 電源電壓-最小:4.74 V 最大工作溫度:+ 85 C 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube
MAX7447EUD+ 功能描述:有源濾波器 Integrated Circuits (ICs) RoHS:否 制造商:Maxim Integrated 通道數(shù)量:1 截止頻率:150 KHz 電源電壓-最大:11 V 電源電壓-最小:4.74 V 最大工作溫度:+ 85 C 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube
MAX7447EUD+T 功能描述:有源濾波器 Integrated Circuits (ICs) RoHS:否 制造商:Maxim Integrated 通道數(shù)量:1 截止頻率:150 KHz 電源電壓-最大:11 V 電源電壓-最小:4.74 V 最大工作溫度:+ 85 C 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube
MAX7447EUD-T 功能描述:有源濾波器 RoHS:否 制造商:Maxim Integrated 通道數(shù)量:1 截止頻率:150 KHz 電源電壓-最大:11 V 電源電壓-最小:4.74 V 最大工作溫度:+ 85 C 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube
MAX7448EUD 功能描述:有源濾波器 RoHS:否 制造商:Maxim Integrated 通道數(shù)量:1 截止頻率:150 KHz 電源電壓-最大:11 V 電源電壓-最小:4.74 V 最大工作溫度:+ 85 C 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube
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