PT2308
Headphone Driver IC
Tel: 886-2-66296288
‧
Fax: 886-2-29174598
‧
http://www.princeton.com.tw
‧
2F, 233-1, Baociao Rd., Sindian Dist., New Taipei City 23145, Taiwan
DESCRIPTION
PT2308 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
ï‚· Portable digital audio
ï‚· Hi-fi audio system
ï‚· Walkman
ï‚· CD-ROM
FEATURES
ï‚· CMOS technology
ï‚· Low power consumption
ï‚· Wide temperature range
ï‚· Excellent power supply ripple rejection
ï‚· High signal-to-noise ratio, S/N=110dB
ï‚· Low harmonic distortion, THD=0.001%
ï‚· Large output voltage swing
BLOCK DIAGRAM
APPLICATION CIRCUIT
PT2308
V1.5
2
September 2018
ORDER INFORMATION
Valid Part Number
Package Type
Top Code
PT2308
8 Pins, DIP, 300mil
PT2308
PT2308-S
8 Pins, SOP, 150mil
PT2308-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