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参数资料
| 型号： | MAX7432EUD+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 6/21页 |
| 文件大小： | 0K |
| 描述： | IC FILTER VIDEO SD 14-TSSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 96 |
| 滤波器类型： | 低通 |
| 频率 - 截止或中心： | 5MHz |
| 滤波器数： | 3 |
| 滤波器阶数： | 6th |
| 电源电压： | 4.5 V ~ 5.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 14-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 14-TSSOP |
| 包装： | 管件 |
MAX7428/MAX7430/MAX7432A
Standard Definition Video Reconstruction
Filters and Buffers
14
______________________________________________________________________________________
When processing composite video set the clamp level to
+1V (CLEVEL = 0). Use the MAX7430 to process two
synchronous composite signals simultaneously. Use the
MAX7432A to process three synchronous composite
signals simultaneously.
Y/C Video Filtering
The MAX7430 is ideally suited for processing S-Video (Y/C)
signals (Figure 10). Ensure that IN1_ filters the signal that
contains the sync information (Y) since the clamping on
IN2_ is internally controlled by the master channel (IN1_)
sync. Set the clamp level for IN1_ to +1V (CLEVEL1 = 0)
and set the clamp level for IN2_ to +1.5V (CLEVEL2 = 1).
Use two MAX7428s for Y/C video filtering. Since only the
Y signal contains the sync, a typical Y/C video-filtering
application requires a master-slave configuration of the
SYNCIO. The MAX7428 processing the Y signal should
have SYNCIO configured as an output, which in turn dri-
ves the SYNCIO of the second MAX7428, processing the
C signal that has its SYNCIO configured as an input
(Figure 11). Clamping level for the Y signal should be set
for +1V (CLEVEL = 0), and clamping level for the C sig-
nal should be set for +1.5V (CLEVEL = 1). Use the
MAX7432A to filter one Y/C and one composite video
signal that are synchronous.
Component Video (RGB
or Y Pb Pr) Filtering
Component video consists of three separate signals.
Typically the three signals are separate red, green, and
blue (RGB) signals or Y (luma) and two color difference
signals: B-Y (Pb) which is blue minus luma and R-Y (Pr),
which is red minus luma. Sync information is included
with the Y signal of Y Pb Pr component video, or in the
case of RGB, sync is usually carried on the G or on a
separate H sync line. The MAX7432A is ideally suited
for filtering component video signals. Ensure that the
sync signal (Y for Y Pb Pr signals and usually G for RGB
signals) is filtered by IN1_ since IN2_ and IN3_ are
internally synced to IN1_. Set the clamp level for IN1_
to +1V (CLEVEL1 = 0) and set the clamp levels for IN2_
and IN3_ to +1.5V (CLEVEL2, 3 = 1) for Y Pb Pr filtering
(Figure 12) and set all clamp levels to 1V (CLEVEL_ =
0) for RGB filtering (Figure 13). A Y Pb Pr component
video-filter application requires three MAX7428s with
SYNCIO master-slave configuration. The MAX7428 pro-
cessing the Y signal has its SYNCIO configured as an
output, which in turn drives the SYNCIO inputs of the
other MAX7428s (Figure 14). For RGB video signal fil-
tering with a separate horizontal sync signal, configure
all MAX7428s for SYNCIO as an input (Figure 15).
tWAIT
tT
t1
tP
t1
t0
AB
C D
HIGH-Z
tP
READS 1ST BIT (LSB)
A:
μP WILL RELEASE BUS BY TIME A
B:
μP CAN START READING BIT AT TIME B
C:
μP HAS UNTIL TIME C TO FINISH READING BIT
D: DEVICE WILL RELEASE BUS BY TIME D
NOTE: TIME A, B, C, D ARE REFERENCED TO t0.
READS 2ND BIT
REPEAT TO READ
6 MORE BITS
0 OR 1
t0 AB
C D
0 OR 1
tO
Figure 8. Read Timing Diagram
DATA: 1***000
tWAIT
tT
t1
tT
t1
t0
LSB
MSB
Figure 9. Broadcast Timing Diagram
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX7432EUD/GG8 | 功能描述:有源滤波器 RoHS:否 制造商:Maxim Integrated 通道数量:1 截止频率:150 KHz 电源电压-最大:11 V 电源电压-最小:4.74 V 最大工作温度:+ 85 C 安装风格:Through Hole 封装 / 箱体:PDIP N 封装:Tube |
| MAX7432EUD+ | 功能描述:视频 IC Standard Def Video Reconstruction Filtr RoHS:否 制造商:Fairchild Semiconductor 工作电源电压:5 V 电源电流:80 mA 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-28 封装:Reel |
| MAX7432EUD+T | 功能描述:视频 IC Standard Def Video Reconstruction Filtr RoHS:否 制造商:Fairchild Semiconductor 工作电源电压:5 V 电源电流:80 mA 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-28 封装:Reel |
| MAX7432EUD-T | 功能描述:有源滤波器 RoHS:否 制造商:Maxim Integrated 通道数量:1 截止频率:150 KHz 电源电压-最大:11 V 电源电压-最小:4.74 V 最大工作温度:+ 85 C 安装风格:Through Hole 封装 / 箱体:PDIP N 封装:Tube |
| MAX7432EVC16 | 功能描述:有源滤波器 Programmers, Development Systems RoHS:否 制造商:Maxim Integrated 通道数量:1 截止频率:150 KHz 电源电压-最大:11 V 电源电压-最小:4.74 V 最大工作温度:+ 85 C 安装风格:Through Hole 封装 / 箱体:PDIP N 封装:Tube |
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