參數(shù)資料
型號(hào): MAX4397D
廠商: Maxim Integrated Products, Inc.
英文描述: Audio/Video Switch For Dual SCART Connectors
中文描述: 音頻/視頻開關(guān),用于雙SCART連接器
文件頁(yè)數(shù): 15/30頁(yè)
文件大小: 834K
代理商: MAX4397D
To implement the zero-crossing function when switch-
ing audio signals, set the ZCD bit by loading register
00h through the I
2
C-compatible interface (if the ZCD bit
is not already set). Then set the mute bit low by loading
register 00h. Next, wait for a sufficient period of time for
the audio signal to cross zero. This period is a function
of the audio signal path’s low-frequency 3dB corner
(f
L3dB
). Thus, if f
L3dB
= 1kHz, the time period to wait for
a zero-crossing detect is
1
/
2
kHz or 0.5ms.
M
Audio/Video Switch for Dual SCART Connectors
______________________________________________________________________________________
15
AUDIO INPUTS
AUDIO OUTPUTS
ENC_INL
TV_INL
VCR_INL
MUTE
MUTE
MUTE
Σ
/2
MUTE
MUTE
MUTE
MUTE
MUTE IS AN INTERNAL SIGNAL
-6dB, 0dB, OR +6dB
-6dB, 0dB, OR +6dB
9.54dB
9.54dB
12.54dB
GNDAUD
9.54dB
ZCD
TV_OUTL
RF_MONO_OUT
TV_OUTR
VOLUME CONTROL BYPASS
VOLUME CONTROL
+6dB TO -56dB
VOLUME CONTROL
+6dB TO -56dB
I
2
C
VCR_OUTL
VCR_OUTR
9.54dB
ENC_INR
TV_INR
VCR_INR
VOLUME CONTROL BYPASS
Figure 4. MAX4397S Audio Section Features Singled-Ended Encoder Input
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX4397DACTM 制造商:Maxim Integrated Products 功能描述:DUAL 7-CHANNEL, AUDIO/VIDEO SWITCH, QCC48
MAX4397DACTM+ 功能描述:視頻開關(guān) IC Audio/Video Switch for Dual SCART Con RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:4 開啟電阻(最大值):12 Ohms 傳播延遲時(shí)間: 開啟時(shí)間(最大值): 關(guān)閉時(shí)間(最大值): 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:WQFN-42 封裝:Reel
MAX4397DACTM+T 功能描述:視頻開關(guān) IC Audio/Video Switch for Dual SCART Con RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:4 開啟電阻(最大值):12 Ohms 傳播延遲時(shí)間: 開啟時(shí)間(最大值): 關(guān)閉時(shí)間(最大值): 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:WQFN-42 封裝:Reel
MAX4397DCTM 功能描述:視頻開關(guān) IC RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:4 開啟電阻(最大值):12 Ohms 傳播延遲時(shí)間: 開啟時(shí)間(最大值): 關(guān)閉時(shí)間(最大值): 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:WQFN-42 封裝:Reel
MAX4397DCTM+ 功能描述:視頻開關(guān) IC Audio/Video Switch for Dual SCART Con RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:4 開啟電阻(最大值):12 Ohms 傳播延遲時(shí)間: 開啟時(shí)間(最大值): 關(guān)閉時(shí)間(最大值): 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:WQFN-42 封裝:Reel