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參數(shù)資料
| 型號： | MAX7446 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 4-Channel Video Filter for RGB and CVBS Video |
| 中文描述： | 4通道視頻濾波器，用于RGB和CVBS視頻 |
| 文件頁數(shù)： | 4/6頁 |
| 文件大?。?/td> | 239K |
| 代理商： | MAX7446 |
M
4-Channel Video Filter for RGB and CVBS Video
4
_______________________________________________________________________________________
Pin Description
Detailed Description
The MAX7446 filters and buffers video-encoder DAC
outputs in applications such as set-top boxes, hard-
disk recorders, DVD players, and digital VCRs. The
MAX7446 reconstructs and cleans up analog video sig-
nals from the output of DAC video encoders. Each
channel consists of a lowpass filter and an output video
buffer that drives two standard 150
video loads.
The MAX7446 is designed to process CVBS, R, G, and
B video signals. The video signal processed by chan-
nel A (CVBS) must include a sync pulse. This sync
pulse provides the required timing to all four channels.
This device operates from a single +5V supply and has
a nominal cutoff frequency of 5MHz optimized for
NTSC, PAL, and SDTV.
SUPPLY CURRENT vs. TEMPERATURE
M
TEMPERATURE (
°
C)
S
60
35
10
-15
90
100
110
120
80
-40
85
INPUTS BIASED TO +2V
NO LOAD
DIFFERENTIAL GAIN
M
D
1st
3rd
2nd
DIFFERENTIAL PHASE
4th
5th
6th
1st
3rd
2nd
4th
5th
6th
0.2
0.1
0.3
0
-0.1
-0.2
-0.3
D
0.2
0.1
0.3
0
-0.1
-0.2
-0.3
MULTIBURST RESPONSE
MAX7446 toc09
10
μ
s/div
250mV/div
250mV/div
IN_
OUT_
Typical Operating Characteristics (continued)
(V
CC
= +5V, T
A
= +25
°
C, unless otherwise noted.)
PIN
1
2
NAME
INA
INB
FUNCTION
C hannel A V d eo Inp ut. U se channel A for the C V BS vi d eo si g nal AC coup e IN A w h a ser es 0.1μF cap aci or
Channel B Video Input. Use channel B for the red (R) signal. AC-couple INB with a series 0.1μF capacitor.
3
INC
Channel C Video Input. Use channel C for the green (G) (without sync) signal. AC-couple INC with a series
0.1μF capacitor.
4
IND
Channel D Video Input. Use channel D for the blue (B) signal. AC-couple IND with a series 0.1μF capacitor.
5
DISABLE
Disable Logic Input. A logic-low on DISABLE enables the output buffers. A logic-high on DISABLE disables
all output buffers and puts them in a high-impedance state.
6
–
9
10
11
12
13
14
GND
V
CC
OUTD
OUTC
OUTB
OUTA
Ground
+5V Supply Input
Channel D Video Output. This output can be either AC- or DC-coupled.
Channel C Video Output. This output can be either AC- or DC-coupled.
Channel B Video Output. This output can be either AC- or DC-coupled.
Channel A Video Output. This output can be either AC- or DC-coupled.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX7446EUD | 4-Channel Video Filter for RGB and CVBS Video |
| MAX7448 | 4-Channel RGB Video Filter with Asynchronous CVBS Input |
| MAX7448EUD | 4-Channel RGB Video Filter with Asynchronous CVBS Input |
| MAX7449 | 3-Channel Video Reconstruction Filter for RGB Component Video |
| MAX7449EUD | 3-Channel Video Reconstruction Filter for RGB Component Video |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX7446EUD | 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 |
| MAX7446EUD+ | 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 |
| MAX7446EUD+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 |
| MAX7446EUD-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 |
| 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 |
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