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參數資料
| 型號： | MAX7448 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 4-Channel RGB Video Filter with Asynchronous CVBS Input |
| 中文描述： | 4通道RGB視頻濾波器，帶有異步CVBS輸入 |
| 文件頁數： | 1/7頁 |
| 文件大小： | 211K |
| 代理商： | MAX7448 |
General Description
The MAX7448, 4-channel, buffered video reconstruc-
tion filter is ideal for anti-aliasing and digital-to-analog
converter (DAC)-smoothing video applications or wher-
ever analog video is reconstructed from a digital data
stream (such as cable/satellite/terrestrial set-top boxes,
DVD players, hard-disk recorders (HDRs), and person-
al 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 MAX7448 processes RGB and asynchronous CVBS
video signals. The output video buffers have a fixed gain
of +6dB. The channel used for CVBS video has high-fre-
quency boost circuitry, which provides picture sharpness
with +1.2dB of gain boost without degradation in the
stopband. The output video drivers can be disabled with
an external pin.
The MAX7448 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 RGB and CVBS
Video 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 Cable <1V
o
Each Channel Drives Two 150
Video Loads
o
+5V Single-Supply Voltage
o
Small 14-Pin TSSOP Package
M
4-Channel RGB 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
V
CC
GND
MAX7448
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
D/A
D/A
D/A
SYNC
DETECTOR
LOWPASS
FILTER
LOWPASS
FILTER
LOWPASS
FILTER
LOWPASS
FILTER
SYNC
DETECTOR
DISABLE
G
(WITH SYNC)
R
B
CVBS
(WITH SYNC)
Functional Diagram
Ordering Information
19-2989; Rev 0; 10/03
*
EP = Exposed pad.
EVALUATION KIT
AVAILABLE
Pin Configuration appears at end of data sheet.
PART
TEMP RANGE
-40
°
C to +85
°
C
PIN-PACKAGE
14 TSSOP-EP*
MAX7448EUD
相關PDF資料 |
PDF描述 |
|---|---|
| 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 |
| MAX7453 | Triple-Channel Video Reconstruction Filter and Buffer for Composite and Y/C Outputs |
| MAX7453CSA | Triple-Channel Video Reconstruction Filter and Buffer for Composite and Y/C Outputs |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX7448EUD | 功能描述:有源濾波器 RoHS:否 制造商:Maxim Integrated 通道數量: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 安裝風格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube |
| MAX7448EUD+ | 功能描述:有源濾波器 Integrated Circuits (ICs) RoHS:否 制造商:Maxim Integrated 通道數量: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 安裝風格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube |
| MAX7448EUD+T | 功能描述:有源濾波器 Integrated Circuits (ICs) RoHS:否 制造商:Maxim Integrated 通道數量: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 安裝風格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube |
| MAX7448EUD-T | 功能描述:有源濾波器 RoHS:否 制造商:Maxim Integrated 通道數量: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 安裝風格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube |
| MAX7449EUD | 功能描述:有源濾波器 RoHS:否 制造商:Maxim Integrated 通道數量: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 安裝風格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube |
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