參數(shù)資料
型號(hào)： MAX4397DACTM+
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 1/30頁(yè)
文件大小： 0K
描述： IC SW A/V SCART CON 48-TQFN
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 43
類型： 開關(guān)
應(yīng)用： DVD，機(jī)頂盒，電視
安裝類型： 表面貼裝
封裝/外殼： 48-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝： 48-TQFN-EP（7x7）
包裝： 管件
General Description
The MAX4397DA/SA dual SCART switch matrices route
audio and video signals between an MPEG encoder
and two external SCART connectors under I2C control,
and meets the requirements of EN50049-1, IEC 933-1,
Canal+, and BSkyB standards.
The video and audio channels feature input source selec-
tion multiplexers, input buffers, and output buffers for rout-
ing all inputs to selected outputs. The MAX4397DA audio
encoder input is differential DC-coupled, while the
MAX4397SA audio encoder input is single-ended AC-cou-
pled. Except for the MAX4397DA’s audio encoder input,
all other inputs and outputs are AC-coupled with internal
DC-biasing set to predefined levels.
The MAX4397DA/SA provide programmable gain control
from +5dB to +7dB in 1dB steps for Red, Green, and
Blue component video signals. All other video outputs
have a fixed +6dB gain. Additional features include an
internal Luma and Chroma (Y/C) mixer that generates a
Composite video signal (CVBS) to supply an RF
modulator output and internal video reconstruction low-
pass filters with passband ripple between -1dB and
+1dB from 100kHz to 5.5MHz. The MAX4397DA/SA TV
audio channel feature clickless switching and program-
mable volume control from -56dB to +6dB in 2dB steps.
The VCR audio output also has programmable gain for
-6dB, 0dB, or +6dB. The device also generates
monaural audio from left and right stereo inputs.
All audio drivers deliver a 3.0VRMS minimum output.
The MAX4397DA/SA operate with standard 5V and 12V
power supplies and support slow-switching and fast-
switching signals. The I2C interface programs the gain
and volume control, and selects the input source
for routing.
The MAX4397DA/SA are available in a compact 48-pin
thin QFN package and are specified over the 0°C to
+70°C commercial temperature range.
Applications
Satellite Set-Top Boxes
Cable Set-Top Boxes
TVs
VCRs
DVDs
Features
Video Outputs Drive 2VP-P into 150
Audio Outputs Drive 3VRMS into 10k
Clickless, Popless Audio Gain Control
and Switching
AC-Coupled Video Inputs with Internal Clamp
and Bias
DC-Coupled Video Outputs
Composite Video Signal Created Internally from
Y/C Inputs
Internal Video Reconstruction Filters Provide
-40dB at 27MHz
Differential (MAX4397DA) or Single-Ended
(MAX4397SA) Audio Encoder Input
Red/Chroma Switch for Bidirectional I/O
I2C-Programmable RGB Gain from +5dB to +7dB
I2C-Programmable Audio Gain Control from +6dB
to -56dB
Meets EN50049-1, IEC 933-1, Canal+, and BSkyB
Requirements
MAX4397DA/SA
Audio/Video Switch for Dual SCART Connectors
________________________________________________________________ Maxim Integrated Products
1
Ordering Information
19-0645; Rev 1; 5/07
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.
Pin Configuration and Typical Application Circuits appear at
end of data sheet.
System Block Diagram appears at end of data sheet.
EVALUATION
KIT
AVAILABLE
PART
TEMP
RANGE
PIN-PACKAGE
PKG
CODE
MAX4397DACTM
0°C to +70°C
48 Thin QFN-EP*
(7mm x 7mm)
T4877-6
MAX4397SACTM
0°C to +70°C
48 Thin QFN-EP*
(7mm x 7mm)
T4877-6
*EP = Exposed paddle.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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
MAX4397DCTM+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
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