參數(shù)資料
型號： MAX4548EAX+T
廠商： Maxim Integrated Products
文件頁數(shù)： 1/20頁
文件大小： 0K
描述： IC CROSSPOINT SWITCH TRPL 36SSOP
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 1,000
功能： 交叉點(diǎn)開關(guān)
電路： 3 x 3:2
導(dǎo)通狀態(tài)電阻： 35 歐姆
電壓電源： 單電源
電壓 - 電源，單路/雙路(±)： 2.7 V ~ 5.5 V
電流 - 電源： 6µA
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 36-BSOP（0.295"，7.50mm 寬）
供應(yīng)商設(shè)備封裝： 36-SSOP
包裝： 帶卷 (TR)
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.
General Description
The MAX4548/MAX4549 serial-interface, programmable,
triple 3x2 audio/video crosspoint switches are ideal for
multimedia applications. The devices include three
crosspoint switch matrices, each containing three inputs
and two outputs. To improve off-isolation, each switch
matrix has a shunt input and each output is selectively
programmable for clickless or regular-mode operation. A
selectable set of internal resistive voltage dividers sup-
plies DC bias for each output when using AC-coupled
inputs. To improve crosstalk, the voltage dividers include
four externally accessible bypass points.
The MAX4548/MAX4549 feature 35
max on-resis-
tance, 7
on-resistance matching between channels,
5
on-resistance flatness, and 0.07% total harmonic
distortion (THD). Additionally, they feature off-isolation
of -85dB at 20kHz and -72dB at 10MHz, with crosstalk
of -85dB at 20kHz and -55dB at 10MHz. The MAX4548
uses a 2-wire I2C-compatible serial interface, while
the MAX4549 uses a 3-wire SPI/QSPI/MICROWIRE-
compatible serial interface. These parts are available in
36-pin SSOP packages and are specified for the
extended (-40°C to +85°C) operating range.
Applications
Set-Top Boxes
PC Multimedia Boards
Video Conferencing Systems
High-End Audio Systems
Security Systems
Features
o Selectable Soft-Switching Mode for “Clickless”
Audio Operation
o 22
Typical On-Resistance (+5V Supply)
o 5
Typical On-Resistance Matching Between
Channels
o 2
Typical On-Resistance Flatness
o Audio Performance
-85dB Off-Isolation at 20kHz
-85dB Crosstalk at 20kHz
0.07% THD with 600
Load
o Video Performance
-72dB Off-Isolation at 10MHz
-55dB Crosstalk at 10MHz
o Serial Interface
2-Wire I2C-Compatible (MAX4548)
3-Wire SPI/QSPI/MICROWIRE-Compatible
(MAX4549)
o Single-Supply Operation from +2.7V to +5.5V
MAX4548/MAX4549
Serially Controlled, Triple 3x2 Audio/Video
Crosspoint Switches
________________________________________________________________
Maxim Integrated Products
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36
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29
28
27
26
25
24
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1
2
3
4
5
6
7
8
9
10
11
12
13
14
CBIASL
COM1C
MID5
COM2C
GND
COM1A
ABIASH
MID1
COM1B
MID2
COM2A
MID3
COM2B
MID4
N03B
N03A
SB
N02B
NO2A
SA
N01B
NO1A
V+
NO3C
SC
NO2C
CBIASH
NO1C
SSOP
TOP VIEW
MAX4548
MAX4549
22
21
20
19
15
16
17
18
A1 (DOUT)
( ) ARE FOR MAX4549
ABIASL
V+
A0 (CS)
SCL (SCLK)
SDA (DIN)
GND
19-1496; Rev 0; 6/99
PART
MAX4548EAX
MAX4549EAX
-40°C to +85°C
TEMP. RANGE
PIN-PACKAGE
36 SSOP
Pin Configuration
Ordering Information
Functional Diagram appears at end of data sheet.
SPI and QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
I2C is a trademark of Philips Corp.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX4549EAX 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
MAX4549EAX+ 功能描述:模擬和數(shù)字交叉點(diǎn) IC Triple 3x2 A/V Crosspoint Switch RoHS:否 制造商:Micrel 配置:2 x 2 封裝 / 箱體:MLF-16 數(shù)據(jù)速率:10.7 Gbps 輸入電平:CML, LVDS, LVPECL 輸出電平:CML 電源電壓-最大:3.6 V 電源電壓-最小:2.375 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 產(chǎn)品:Digital Crosspoint 封裝:Tube
MAX4549EAX+T 功能描述:視頻開關(guān) IC Triple 3x2 A/V Crosspoint Switch 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
MAX4549EAX-T 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
MAX454CPD 功能描述:視頻放大器 Integrated Circuits (ICs) RoHS:否 制造商:ON Semiconductor 通道數(shù)量:4 電源類型: 工作電源電壓:3.3 V, 5 V 電源電流: 最小工作溫度: 最大工作溫度: 封裝 / 箱體:TSSOP-14 封裝:Reel
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