SSM2402

更新时间： 2024-11-02 22:42:43

品牌	Logo	应用领域
亚德诺 - ADI		开关
页数	文件大小	规格书
12页	324K
描述
Dual Audio Analog Switches

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SSM2402 数据手册

Dual Audio

Analog Switches

SSM2402/SSM2412

FUNCTIO NAL BLO CK D IAGRAM

FEATURES

“Clickless” Bilateral Audio Sw itching

Guaranteed “Break-Before-Make” Sw itching

Low Distortion: 0.003% typ

Low Noise: 1 nV/ √Hz

Superb OFF-Isolation: 120 dB typ

Low ON-Resistance: 60 ⍀ typ

Wide Signal Range: V_S= ؎18 V; 10 V rm s

Wide Pow er Supply Range: ؎20 V m ax

Available in Dice Form

GENERAL D ESCRIP TIO N

The SSM2402/SSM2412 are dual analog switches designed spe-

cifically for high performance audio applications. Distortion and

noise are negligible over the full audio operating range of 20 Hz to

20 kH z at signal levels of up to 10 V rms. T he SSM2402/

SSM2412 offer a monolithic integrated alternative to expensive

and noisy relays or complex discrete JFET circuits. Unlike conven-

tional general-purpose CMOS switches, the SSM2402/SSM2412

provide superb fidelity without audio “clicks” during switching.

Conventional T T L or CMOS logic can be used to control the

switch state. No external pull-up resistors are needed. A “T ”

configuration provides superb OFF-isolation and true bilateral

operation. T he analog inputs and outputs are protected against

overload and overvoltage.

P IN CO NNECTIO NS

14-P in Epoxy D IP

(P -Suffix)

An important feature is the guaranteed “break-before-make”

for all units, even IC-to-IC. In large systems with multiple

switching channels, all separate switching units must open be-

fore any switch goes into the ON-state. With the SSM2402/

SSM2412, you can be certain that multiple circuits will all

break-before-make.

T he SSM2402/SSM2412 represent a significant step forward in

audio switching technology. Distortion and switching noise are

significantly reduced in the new SSM2402/SSM2412 bipolar-

JFET switches relative to CMOS switching technology. Based

on a new circuit topology that optimizes audio performance,

the SSM2402/SSM2412 make use of a proprietary bipolar-

JFET process with thin-film resistor network capability. Nitride

capacitors, which are very area efficient, are used for the propri-

etary ramp generator that controls the switch resistance transi-

tion. Very wide bandwidth amplifiers control the gate-to-source

voltage over the full audio operating range for each switch. T he

ON-resistance remains constant with changes in signal amplitude

and frequency, thus distortion is very low, less than 0.01% max.

16-P in SO L

(S-Suffix)

T he SSM2402 is the first analog switch truly optimized for

high-performance audio applications. For broadcasting and

other switching applications which require a faster switching

time, we recommend the SSM2412—a dual analog switch with

one-third of the switching time of the SSM2402.

REV. A

Inform ation furnished by Analog Devices is believed to be accurate and

reliable. However, no responsibility is assum ed by Analog Devices for its

use, nor for any infringem ents of patents or other rights of third parties

which m ay result from its use. No license is granted by im plication or

otherwise under any patent or patent rights of Analog Devices.

One Technology Way, P.O. Box 9106, Norw ood, MA 02062-9106, U.S.A.

Tel: 617/ 329-4700

Fax: 617/ 326-8703

12 3 4 5 6 7...12

中文翻译

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与SSM2402相关器件

型号	品牌	获取价格	描述	数据表
SSM-2402	ADI	获取价格	Dual Audio Analog Switches
SSM2402_15	ADI	获取价格	Dual Audio Analog Switches
SSM2402P	ADI	获取价格	Dual Audio Analog Switches
SSM2402P	ROCHESTER	获取价格	DUAL 1-CHANNEL, AUDIO/VIDEO SWITCH, PDIP14, PLASTIC, DIP-14
SSM2402PZ	ROCHESTER	获取价格	DUAL 1-CHANNEL, AUDIO/VIDEO SWITCH, PDIP14, PLASTIC, DIP-14
SSM2402PZ	ADI	获取价格	Dual Audio Analog Switch
SSM2402S	ROCHESTER	获取价格	DUAL 1-CHANNEL, AUDIO/VIDEO SWITCH, PDSO16, SOL-16
SSM2402S	ADI	获取价格	Dual Audio Analog Switches
SSM2402S-REEL	ADI	获取价格	Dual Audio Analog Switch
SSM2402S-REEL	ROCHESTER	获取价格	DUAL 1-CHANNEL, AUDIO/VIDEO SWITCH, PDSO16, SOL-16

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