Sure Electronics TA2024, User Manual

Page: 12 / 15

2 X 15WATT CLASS-D AUDIO
AMPLIFIER - TA2024
USER’S GUIDE
©
2004-2010 Sure Electronics Inc.
Chapter 3. Electrical Characteristics
3.1 Basic Parameters
Basic parameter tested @DC12V 4ohm (except for the parameters marked with *)
TABLE 3-1 BASIC PARAMETERS
Parameter Min Typical Max
Power voltage 9V 12V 14V
Input Sensitivity 642mV 662mV 680mV
Frequency - 20Hz-20KHz(±3dB) -
9W@4ohm, THD+N<0.1%
12W@4ohms, THD+N<1%
Output power*
（
V
CC
= 12V, R
L
= 4 Ω
）
-
15W@4ohms, THD+N<10%
-
Output power *
（
V
CC
= 12V, R
L
= 8 Ω
）
-
10W @ 8ohms,
THD+N<10%
-
（
THD+N
）
-
0.03% THD+N @ 9W, 4 Ω
0.1% THD+N @11W, 4 Ω
0.1% THD+N @6W, 8 Ω
-
Efficiency -
84% @ 15W, 4 Ω
90% @ 10W, 8 Ω
-
Signal/Noise Ratio 90dB(A weighted) 90dB(A weighted) -
Minimum Load
Impendence
3.2 ohms 4 ohms -
Input Impendence 10K 20K -
Power Gain 25dB 27.6dB -
Working Temperature 0
℃
25
℃
55
℃
Note:
*The chip specifications by Tripath.
放前，再次检查播放机是否发生故障
3.2 Fault Tracing
If the amplifier does not work well, please read the following table:
A-AB32159_Ver1.0_Page 8 A