Datasheet > ALDR632

ALDR632

更新时间： 2024-10-01 14:55:47

品牌	Logo	应用领域
友顺 - UTC		/
页数	文件大小	规格书
9页	209K
描述
direct 2-vrms audio line driver with adjustable g...

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ALDR632 数据手册

UNISONIC TECHNOLOGIES CO., LTD

ALDR632

CMOS IC

DIRECT 2-VRMS AUDIO LINE

DRIVER WITH ADJUSTABLE

GAIN



DESCRIPTION

The UTC ALDR632 is a pop-free stereo line driver with the

integrated charge pump generating the negative supply rail which

allows the removal of the output DC-blocking capacitors. The UTC

ALDR632 provides a clean, pop-free ground-biased audio signal. The

UTC ALDR632 is capable of driving 2VRMS into a 10kΩ load with 3.3V

supply voltage. The device has differential inputs and uses external

resistors for flexible gain setting. Gain can be configured individually for

each channel.

The UTC ALDR632 has built-in active-mute control for pop-free

audio on/off control. The UTC ALDR632 has an external under-voltage

detector that mutes the output when monitored voltage drop below set

value.

The device has differential inputs and uses external gain-setting

resistors to support a gain range of ±1V/V to ±10V/V, and gain can be

configured individually for each channel. Line outputs have ±8-Kv

(HBM) IEC ESD protection, requiring just a simple resistor-capacitor

ESD protection circuit.

Using the UTC ALDR632 in audio products can reduce component

count considerably compared to traditional headphone amplifiers.



FEATURES

* Low THD+N<0.01% at 2Vrms Into 10kΩ

* Differential Input and Single-Ended Output

* Stereo Direct Audio Line driver

2Vrms Into 10KΩ With 3.3V Supply

* Adjustable Gain by External Gain-Setting Resistors

* Pop-Free Under-Voltage Protection

* Integrated Charge Pump Generates Negative Supply Rail * Short-Circuit Protection

* High SNR, >90dB

* Click- and Pop-Reduction Circuitry

* Ground-Referenced Outputs Eliminate DC-Blocking

Capacitors

* Active Mute Control for Pop-Free Audio On/Off

Control



ORDERING INFORMATION

Ordering Number

Package

Packing

Lead Free

Halogen Free

ALDR632G-P14-R

ALDR632L-P14-R

TSSOP-14

Tape Reel

www.unisonic.com.tw

1 of 9

QW-R107-071.F

12 3 4 5 6 7...9

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