PT2361 [ETC]
語音變聲器IC ; 角膜贴装和IC装带规格
ETC 
Tel : 886-2-29162151
Fax: 886-2-29174598
URL: http://www.princeton.com.tw
Princeton Technology Corp.
Headphone Driver
PT2308L
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 SO package and is functionally
compatible with TDA1308. Pin assignments and application circuit are optimized for lower cost effec-
tiveness and easy PCB Layout
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)
APPLICATIONS
• Portable Digital Audio
• Hi-fi Audio System
• Walkman
• CD-ROM
PT2308L v1.0
1
Updated Oct. 1999
Tel : 886-2-29162151
Fax: 886-2-29174598
URL: http://www.princeton.com.tw
Princeton Technology Corp.
Headphone Driver
PT2308L
PIN CONFIGURATION
PT2308L
APPLICATION CIRCUITS
PT2308L Application Circuit (Single Power Supply)
V
D D
100uF
+
3.9K
V
O UT1
R
L
10K
10uF
+
3.9K
1
8
2
V
V
V
-
IN 1
R EF
IN 2
+
3
5
PT2308L
100uF
+
-
7
4
6
+
10uF
3.9K
+
V
O UT2
3.9K
R
100uF
L
10K
PT2308L v1.0
2
Updated Oct. 1999
Tel : 886-2-29162151
Fax: 886-2-29174598
URL: http://www.princeton.com.tw
Princeton Technology Corp.
Headphone Driver
PT2308L
PT2308L Application Circuit (Dual Power Supply)
V
DD+
+
100µF
3.9K
8
10K
3.9K
2
_
1
+
VO
3
UT1
+
100µF
5
+
7
+
VO
6
UT2
_
100µF
3.9K
10K
4
+
3.9K
100µF
VSS-
ORDER INFORMATION
Valid Part Number
PT2308L
Package
8 Pins, DIP (300 mil)
8 Pins, SO (150 mil)
PT2308L-S
PT2308L v1.0
3
Updated Oct. 1999
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