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參數資料
| 型號： | MAX7451 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 8-Bit Parallel-Out Serial Shift Registers 14-CDIP -55 to 125 |
| 中文描述： | 視頻信號調理器，帶有AGC和后肩鉗位 |
| 文件頁數： | 1/9頁 |
| 文件大小： | 254K |
| 代理商： | MAX7451 |
General Description
The MAX7450/MAX7451/MAX7452 complete front-end
video-signal conditioners are designed to improve the
quality of standard-definition video signals. The devices
restore the DC level of the video input, correct for
amplitude errors up to ±6dB, detect fault conditions,
and filter out-of-band noise. The MAX7450/MAX7451/
MAX7452 optimize the signal quality for further video
processing through a crosspoint switch or video
decoder (ADC). Each device integrates an input video
clamp, automatic gain control (AGC), loss-of-sync
(LOS) detector, and an out-of-band noise/lowpass filter.
These devices also incorporate a user-selectable
buffer gain (0 or +6dB) and an AGC-disable function.
The MAX7450 and MAX7451 operate from dual power
supplies of ±5V or ±3.3V respectively, and they restore
the video blanking level to GND. The MAX7452 operates
from a single +5V supply and features a user-adjustable
clamp level.
The devices are available in an 8-pin SO package with
an exposed pad and are specified for operation over
the extended (-40
°
C to +85
°
C) temperature range.
Applications
Signal Conditioner for Standard-Definition
Video Inputs
Security Video Systems
Video-Switching Systems
Features
Back-Porch Clamp to GND (MAX7450/MAX7451)
Adjustable Back-Porch Clamp (MAX7452)
Automatic Gain Control (±6dB Range) Normalizes
Signals to Standard Video Level
Input Fault Detection with LOS Output
Inherent 50Hz/60Hz Input Rejection of 60dB
Single-Supply Operation: MAX7452 (+5V)
Out-of-Band Noise Filter
Output Buffer Drives Standard 150
Video Load
with 0dB or +6dB Gain
Dual-Supply Operation
MAX7450 (±5V)
MAX7451 (±3.3V)
Tiny 8-Pin SO Package
M
Video-Signal Conditioners with AGC and
Back-Porch Clamp
________________________________________________________________
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
Ordering Information
19-3267; Rev 2; 11/04
PART
TEMP RANGE
PIN-
PACKAGE
SUPPLY
VOLTAGE (V)
MAX7450
ESA
MAX7451
ESA
MAX7452
ESA
-40
°
C to +85
°
C 8 SO-EP*
-40
°
C to +85
°
C 8 SO-EP*
-40
°
C to +85
°
C 8 SO-EP*
±
5
±
3.3
+5
MAX7450
MAX7451
NOISE
FILTER
V
CC
V
SS
75
75
LOS
AGCD
SYNC SEPARATOR
AND AMPLITUDE
DETECTOR
IN
OUT
VIDEO
INPUT
GND
±
6dB
0 OR +6dB
GAIN SET (0dB OR +6dB)
Functional Diagram
*
EP = Exposed pad.
Package code = S8E-12.
相關PDF資料 |
PDF描述 |
|---|---|
| MAX7452 | MAX7452 Evaluation Kit |
| MAX7452ESA | Parallel-Load 8-Bit Shift Registers 16-CDIP -55 to 125 |
| MAX7452EVKIT | Parallel-Load 8-Bit Shift Registers 16-CFP -55 to 125 |
| MAX746 | Parallel-Load 8-Bit Shift Registers 16-CDIP -55 to 125 |
| MAX746CPE | Parallel-Load 8-Bit Shift Registers 16-CDIP -55 to 125 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX7451ESA | 功能描述:視頻 IC RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| MAX7451ESA+ | 功能描述:視頻 IC Video-Signal Conditioner RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| MAX7451ESA+T | 功能描述:視頻 IC Video-Signal Conditioner RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| MAX7451ESA-T | 功能描述:視頻 IC RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| MAX7452ESA | 功能描述:視頻 IC RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
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