參數(shù)資料
型號: 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,用于雙SCART連接器
文件頁數(shù): 14/30頁
文件大小: 834K
代理商: MAX4397D
M
Audio Outputs
Both right and left channels have a stereo output for the
TV and VCR SCART. The monaural output, which is a
mix of the TV right and left channels, drives the RF
modulator, RF_MONO_OUT. The monaural mixer, a
resistor summer, attenuates the amplitude of each of
the two signals by 6dB. A 12.54dB gain block follows
the monaural mixer. If the left and right audio channels
were completely uncorrelated, then a 9.54dB gain
block is used. See Figures 3 and 4 for the functional
diagram of the audio section.
Clickless Switching
The TV channel incorporates a zero-crossing detect
(ZCD) circuit that minimizes click noise due to abrupt
signal level changes that occur when switching
between audio signals at an arbitrary moment.
Audio/Video Switch for Dual SCART Connectors
14
______________________________________________________________________________________
ENC_INL+
AUDIO INPUTS
AUDIO OUTPUTS
ENC_INL-
TV_INL
VCR_INL
DIFF/SE
DIFF/SE
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+
ENC_INR-
TV_INR
VCR_INR
VOLUME CONTROL BYPASS
Figure 3. MAX4397D Audio Section Functional Diagram
相關PDF資料
PDF描述
MAX4397S Audio/Video Switch For Dual SCART Connectors
MAX4397SCTM Audio/Video Switch For Dual SCART Connectors
MAX4427ESA Dual High-Speed 1.5A MOSFET Drivers
MAX4428MJA Dual High-Speed 1.5A MOSFET Drivers
MAX4427CPA Dual High-Speed 1.5A MOSFET Drivers
相關代理商/技術參數(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 IC Audio/Video Switch for Dual SCART Con RoHS:否 制造商:Texas Instruments 開關數(shù)量:4 開啟電阻(最大值):12 Ohms 傳播延遲時間: 開啟時間(最大值): 關閉時間(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 IC Audio/Video Switch for Dual SCART Con RoHS:否 制造商:Texas Instruments 開關數(shù)量:4 開啟電阻(最大值):12 Ohms 傳播延遲時間: 開啟時間(最大值): 關閉時間(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 IC RoHS:否 制造商:Texas Instruments 開關數(shù)量:4 開啟電阻(最大值):12 Ohms 傳播延遲時間: 開啟時間(最大值): 關閉時間(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 IC Audio/Video Switch for Dual SCART Con RoHS:否 制造商:Texas Instruments 開關數(shù)量:4 開啟電阻(最大值):12 Ohms 傳播延遲時間: 開啟時間(最大值): 關閉時間(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