Datasheet > MAX4549

MAX4549

更新时间： 2024-11-30 14:57:47

品牌	Logo	应用领域
亚德诺 - ADI		开关
页数	文件大小	规格书
20页	272K
描述
串行控制、三组3x2音频/视频交叉点开关

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中文翻译

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数据手册

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MAX4549 数据手册

19-1496; Rev 0; 6/99

S e ria lly Co n t ro lle d , Trip le 3 x 2 Au d io /Vid e o

Cro s s p o in t S w it c h e s

8/MAX549

Ge n e ra l De s c rip t io n

Fe a t u re s

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.

♦ Selectable Soft-Switching Mode for “Clickless”

Audio Operation

♦ 22Ω Typical On-Resistance (+5V Supply)

♦ 5Ω Typical On-Resistance Matching Between

Channels

♦ 2Ω Typical On-Resistance Flatness

♦ Audio Performance

-85dB Off-Isolation at 20kHz

-85dB Crosstalk at 20kHz

0.07% THD with 600Ω Load

The MAX4548/MAX4549 fe a ture 35Ω ma x on-re sis-

tance, 7Ω on-resistance matching between channels,

5Ω 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-p in SSOP p a c ka g e s a nd a re s p e c ifie d for the

extended (-40°C to +85°C) operating range.

♦ Video Performance

-72dB Off-Isolation at 10MHz

-55dB Crosstalk at 10MHz

♦ Serial Interface

2-Wire I²C-Compatible (MAX4548)

3-Wire SPI/QSPI/MICROWIRE-Compatible

(MAX4549)

♦ Single-Supply Operation from +2.7V to +5.5V

P in Co n fig u ra t io n

Ap p lic a t io n s

TOP VIEW

Set-Top Boxes

NO1C

CBIASH

NO2C

36 CBIASL

35 COM1C

34 MID5

PC Multimedia Boards

Video Conferencing Systems

High-End Audio Systems

Security Systems

33 COM2C

32 GND

NO3C

V+

MAX4548

MAX4549

31 COM1A

30 MID1

Ord e rin g In fo rm a t io n

NO1A

N01B

COM1B

PART

TEMP. RANGE

-40°C to +85°C

PIN-PACKAGE

36 SSOP

MAX4548EAX

MAX4549EAX

28 MID2

36 SSOP

NO2A 10

N02B 11

27 COM2A

26 MID3

SB 12

25 COM2B

24 MID4

N03A 13

N03B 14

23 ABIASH

22 ABIASL

21 V+

Functional Diagram appears at end of data sheet.

GND 15

GND 16

SDA (DIN) 17

SCL (SCLK) 18

20 A0 (CS)

19 A1 (DOUT)

SPI and QSPI are trademarks of Motorola, Inc.

MICROWIRE is a trademark of National Semiconductor Corp.

I C is a trademark of Philips Corp.

SSOP

( ) ARE FOR MAX4549

________________________________________________________________ Maxim Integrated Products

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.

12 3 4 5 6 7...20

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与MAX4549相关器件

型号	品牌	获取价格	描述	数据表
MAX4549EAX	MAXIM	获取价格	Serially Controlled, Triple 3x2 Audio/Video Crosspoint Switches
MAX4549EAX-T	MAXIM	获取价格	Cross Point Switch, 1 Func, 3 Channel, PDSO36, 0.300 INCH, 0.80 MM PITCH, SSOP-36
MAX454C/D	MAXIM	获取价格	CMOS Video Multiplexer/Amplifier
MAX454CPD	MAXIM	获取价格	CMOS Video Multiplexer/Amplifier
MAX454CPD+	MAXIM	获取价格	暂无描述
MAX454CSD	MAXIM	获取价格	CMOS Video Multiplexer/Amplifier
MAX454CSD+	MAXIM	获取价格	Operational Amplifier, 1 Func, 5000uV Offset-Max, CMOS, PDSO14, SO-14
MAX454EJD	MAXIM	获取价格	CMOS Video Multiplexer/Amplifier
MAX454EJD	ROCHESTER	获取价格	OP-AMP, 5000uV OFFSET-MAX, 50MHz BAND WIDTH, CDIP14, CERDIP-14
MAX454EPD	MAXIM	获取价格	CMOS Video Multiplexer/Amplifier

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