PT2348 查看數據表（PDF） - Princeton Technology
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PT2348 Datasheet PDF : 5 Pages
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PT2348
4.1-Channel Audio Processor with Subwoofer
DESCRIPTION
The PT2348 is a 4.1CH audio processor designed for
Car Audio purpose. Using I2C interface controls all of
the functions. Like most of audio processors, it equips
up to 4 stereo sources input with adjustable gain,
master volume with adaptive loudness, treble and
bass tone control.
In a car entertainment system where needs front and
rear seat individual control, the PT2348 provides
separate input source selection and output volume
adjustment; a special design, mixing amp, is very easy
to combine the navigation system or cellular phone’s
voice with the car audio system.
APPLICATION
• Car Audio
FEATURES
• Controlled by I2C Interface
• 4 Stereo Inputs (including 1 quasi-differential input)
with selectable input gain
• 2 Channels Electronic Volume： +15 to -79dB with
1dB/step
• 1 Subwoofer Output: +15 to -79dB with 1dB/step
• Adjustable crossover frequency for Subwoofer
• Tone Control (Bass and Treble): -15 to +15dB,
1dB/step
• Input Gain Control: 0 to +15dB, 1dB/step
• Loudness: 0 to -15dB, 1dB/step
• 4 independent speaker outputs: +15 to -79dB with
1dB/step & independent programmable mix input
with 50% mixing ratio for front speakers
• Low Distortion and Low Noise
• 36-pin SSOP package
BLOCK DIAGRAM
Tel: 886-66296288‧Fax: 886-29174598‧ http://www.princeton.com.tw‧2F, 233-1, Baociao Road, Sindian, Taipei 23145, Taiwan
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