Datasheet > MAX4909

MAX4909

更新时间： 2024-01-23 04:46:03

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描述
Dual 3:1 Clickless Audio Multiplexers with Negative-Signal Handling

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中文翻译

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数据手册

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MAX4909 数据手册

MAX4908/MAX4909/

MAX4930/MAX4932

Dual 3:1 Clickless Audio Multiplexers

with Negative-Signal Handling

General Description

The MAX4908/MAX4909/MAX4930/MAX4932 dual

Beneﬁts and Features

● Distortion-Free Negative Signal Throughput Down to

3:1 clickless audio multiplexers feature negative-signal

- 5.5V

capability that allows signals as low as V

- 5.5V to pass

● Internal Shunt Resistors Reduce Click-and-Pop Sounds

● High PSRR Reduces Supply Noise

● Low On-Resistance: 0.38Ω (typ)

● Channel-to-Channel Matching: 0.1Ω (max)

● On-Resistance Flatness: 0.35Ω (max)

● Single +1.8V to +5.5V Supply Voltage

● -70dB (typ) Crosstalk (20kHz)

through without distortion. These analog multiplexers

have a low on-resistance (0.38Ω), low supply current, and

operate from a single +1.8V to +5.5V supply.

The MAX4908 has shunt resistors on all input terminals,

and the MAX4909 has shunt resistors on all input terminals

except X0 and Y0. The MAX4930 has shunt resistors only

on the X2 and Y2 terminals, and the MAX4932 has no

shunt resistors. The shunt resistor feature reduces click-

and-pop sounds by automatically discharging the capacitance

at the input terminal when they are not connected. A

break-before-make feature further reduces popping.

● -80dB (typ) Off-Isolation (20kHz)

● 0.02% (typ) Total Harmonic Distortion

● 50nA Leakage Current

The MAX4908/MAX4909/MAX4930/MAX4932 use two

digital control inputs CB1 and CB2 to switch between

signals. The digital control inputs can accept up to +5.5V

independent of the supply voltage.

● 50nA Supply Current

The MAX4908/MAX4909/MAX4930/MAX4932 are available

in 12-bump wafer-level package (WLP) and 14-pin TDFN-EP

package and operate over the -40°C to +85°C extended

temperature range.

Applications

● Cell Phones

● PDAs and Handheld Devices

● Notebook Computers

● MP3 Players

19-3958; Rev 4; 3/16

12 3 4 5 6 7...14

中文翻译

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