MAX4570EWI

更新时间： 2024-11-11 22:07:23

品牌	Logo	应用领域
美信 - MAXIM		开关
页数	文件大小	规格书
16页	171K
描述
Serially Controlled, Dual 4x2, Clickless Audio/Video Analog Crosspoint Switches

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MAX4570EWI 数据手册

19-1397; Rev 0; 10/98

S e ria lly Co n t ro lle d , Du a l 4 x 2 , Clic k le s s

Au d io /Vid e o An a lo g Cro s s p o in t S w it c h e s

/MAX4570

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

Fe a t u re s

The MAX4550/MAX4570 serial-interface, programma-

ble, dual 4x2 audio/video crosspoint switches are ideal

for multimedia applications. Each device contains two

identical crosspoint switch arrays, each with four inputs

and two outputs. To improve off-isolation, use the addi-

tional crosspoint inputs SA and SB as shunts. Each out-

put is selectively programmable for clickless or regular

mode operation. A set of internal resistive voltage-

dividers supplies DC bias for each output when using

AC-coupled inputs. Additionally, four auxiliary outputs

control additional circuitry via the MAX4550/MAX4570’s

2-wire or 3-wire interface.

♦ Selectable Soft Switching Mode for Clickless

Audio Operation

♦ 43Ω Typical On-Resistance (±5V Supplies)

♦ 5Ω Typical On-Resistance Matching Between

Channels

♦ 4Ω Typical On-Resistance Flatness

♦ 0.014% Total Harmonic Distortion with 1kΩ Load

♦ -110dB Off-Isolation at 20kHz

-78dB Off-Isolation at 4MHz

The MAX4550/MAX4570 feature 80Ω on-resistance, 10Ω

on-re s is ta nc e ma tc hing b e twe e n c ha nne ls , 5Ω on-

resistance flatness, and 0.014% total harmonic distor-

tion. Additionally, they feature off-isolation of at least

-110dB in the audio frequency range and -78dB at

4MHz, with -95dB crosstalk in the audio frequency

range and -54dB at 4MHz. The MAX4550 uses a 2-wire

I²C-compatible serial interface, while the MAX4570

uses a 3-wire SPI™/QSPI™ or MICROWIRE™-compati-

ble serial interface. These parts are available in 28-pin

SSOP a nd wid e SO p a c ka g e s a nd a re te s te d ove r

e ithe r the c omme rc ia l (0°C to +70°C) or e xte nd e d

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

♦ -95dB Crosstalk at 20kHz

-54dB Crosstalk at 4MHz

♦ Serial Interface

2-Wire, Fast-Mode, I²C-Compatible (MAX4550)

3-Wire, SPI/QSPI/MICROWIRE-Compatible

(MAX4570)

♦ Four Auxiliary Outputs that Extend µP Ports

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

Dual-Supply Operation: ±2.7V to ±5.5V

P in Co n fig u ra t io n

Ap p lic a t io n s

Set-Top Boxes

TOP VIEW

28 SA

PC Multimedia Boards

NO3A 2

27 NO2B

26 NO2A

25 V-

High-End Audio Systems

NO3B

BIASH

BIASL

Video Conferencing Systems

24 V+

Ord e rin g In fo rm a t io n

MAX4550

MAX4570

NO4A 6

23 NO1B

22 NO1A

21 GND

20 COM1A

19 Q3

PART

TEMP. RANGE

0°C to +70°C

-40°C to +85°C

0°C to +70°C

-40°C to +85°C

PIN-PACKAGE

28 SSOP

NO4B

V+

MAX4550CAI

MAX4550CWI

MAX4550EAI

MAX4550EWI

MAX4570CAI

MAX4570CWI

MAX4570EAI

MAX4570EWI

28 Wide SO

28 SSOP

COM2A 9

Q0 10

28 Wide SO

28 SSOP

COM2B 11

Q1 12

18 COM1B

17 Q2

28 Wide SO

28 SSOP

A0 (CS) 13

SCL (SCLK) 14

16 A1 (DOUT)

15 SDA (DIN)

28 Wide SO

SO/SSOP

I²C is a trademark of Philips Corp.

SPI/QSPI are trademarks of Motorola, Inc.

( ) ARE FOR MAX4570.

MICROWIRE is a trademark of National Semiconductor Corp.

Functional Diagram appears at end of data sheet.

________________________________________________________________ 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...16

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与MAX4570EWI相关器件

型号	品牌	获取价格	描述	数据表
MAX4570EWI+	MAXIM	获取价格	Cross Point Switch, 2 Func, 4 Channel, PDSO28, SO-28
MAX4570EWI+T	MAXIM	获取价格	Cross Point Switch, 2 Func, 4 Channel, PDSO28, SO-28
MAX4570EWI-T	MAXIM	获取价格	暂无描述
MAX4571	MAXIM	获取价格	Serially Controlled, Clickless Audio/Video Switches
MAX4571	ADI	获取价格	串行控制、无喀嗒声的音频/视频开关
MAX4571CAI	MAXIM	获取价格	Serially Controlled, Clickless Audio/Video Switches
MAX4571CAI+	MAXIM	获取价格	Audio/Video Switch, 11 Func, 1 Channel, CMOS, PDSO28, 5.30 X 0.65 MM, SSOP-28
MAX4571CAI+T	MAXIM	获取价格	Audio/Video Switch, 11 Func, 1 Channel, CMOS, PDSO28, 5.30 X 0.65 MM, SSOP-28
MAX4571CEI	MAXIM	获取价格	Serially Controlled, Clickless Audio/Video Switches
MAX4571CEI+T	MAXIM	获取价格	Audio/Video Switch, 11 Func, 1 Channel, CMOS, PDSO28, 0.150 INCH, 0.025 INCH PITCH, QSOP-2

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