PT2308L

Headphone Driver IC

Tel: 886-66296288

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Fax: 886-29174598

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http://www.princeton.com.tw

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2F, 233-1, Baociao Road, Sindian, Taipei 23145, Taiwan

DESCRIPTION

PT2308L is a Class AB stereo headphone driver chip

utilizing CMOS Technology specially designed for

portable digital audio applications. It is housed in an

8-pin DIP or SOP package and is functionally

compatible with TDA1308. Pin assignments and

application circuit are optimized for lower cost

effectiveness and easy PCB Layout.

APPLICATIONS

• Portable digital audio

• Hi-Fi audio system

• Walkman

• CD-ROM

FEATURES

• CMOS technology

• Low power consumption

• Wide temperature range

• Excellent power supply ripple rejection

• High signal-to-noise ratio, S/N=110dB

• Low harmonic distortion, THD= 0.001%

• Large output voltage swing

• Low supply voltage available (VDD=2V)

BLOCK DIAGRAM

APPLICATION CIRCUIT

Note: VREF=1/2 VDD

PT2308L

V1.3 2 July, 2009

ORDER INFORMATION

Valid Part Number Package Type Top Code

PT2308L 8 Pins, DIP, 300mil PT2308L

PT2308L-S 8 Pins, SOP, 150mil PT2308L-S

PIN CONFIGURATION

PIN DESCRIPTION

Symbol I/O Description Pin No.

OUT1 O Output pin 1 1

IN1- I Inverting input pin 1 2

IN1+ I Non-inverting input pin 1 3

VSS - Negative power supply 4

IN2+ I Non-inverting input pin 2 5

IN2- I Inverting input pin 2 6

OUT2 O Output pin 2 7

VDD - Positive power supply 8