參數(shù)資料
型號: MAX9513ATE+
廠商: Maxim Integrated Products
文件頁數(shù): 5/23頁
文件大?。?/td> 0K
描述: IC AMP VIDEO FILTER 16-TQFN
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 100
應(yīng)用: 濾波器
電路數(shù): 1
電流 - 電源: 13mA
電壓 - 電源,單路/雙路(±): 2.7 V ~ 3.6 V
安裝類型: 表面貼裝
封裝/外殼: 16-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 16-TQFN-EP(3x3)
包裝: 管件
MAX9513
CVBS Video Filter Amplifier with SmartSleep
and Bidirectional Video Support
______________________________________________________________________________________
13
Full-Operation Mode
If a load is connected to an output, the corresponding
filter and amplifier turn on and remain on until the out-
put load is disconnected. In full-operation mode,
SmartSleep intelligently reduces the supply current
based on the input signal presence and output loading.
Figures 4, 5, and 6 show which portions of the
MAX9513 turn on and which remain off with different
load configurations.
When an amplifier is on, it continually checks if the load
has been disconnected by detecting if the amplifier
output is sourcing current during a horizontal line time.
If no sourcing current is detected within one horizontal
line time (approximately 64s), the load has been dis-
connected and the amplifier returns to active-detect
mode. If, at any time, the input video signal is removed,
the MAX9513 returns to standby mode.
If the SmartSleep feature is not activated and the part is
not in shutdown, the filters and amplifiers completely
turn on, regardless of whether there is a video signal at
the CVBSIN input and whether there are loads connect-
ed at the outputs.
EXTCVBSIN
CVBSOUT1
CVBSIN
CVBSOUT2
GND
+3.3V
VDD
CLAMP
OFF
75
Ω
BUFFER
LOAD SENSE
6dB
75
Ω
LOAD SENSE
6dB
LPF
MAX9513
2.9mA PLUS
LOAD CURRENT
CVBS1
75
Ω
SHDN
INT/EXT
ACTIVE VIDEO
DETECT
SMARTSLEEP
CONTROL
LOGIC
+3.3V
OFF
CVBS2
+3.3V
VIDEO SIGNAL
PRESENT
0
TO
50mV
CURRENT
DAC
Figure 4. Full-Operation Mode with CVBSOUT1 Loaded
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