SAMHOP Microelectronics Corp.
3W STEREO AUDIO POWER AMPLIFIER WITH ADVANCED DC VOLUME CONTROL
4
2
0
2.92
3.0 3.03
2.81
Voltage on VOLUME Pin-V
Figure 7. DC Volume Control Operation
TABLE OF GRAPHS
FIGURE
vs Frequency
8,9,10
THD+N Total harmonic distortion plus noise(BTL)
THD+N Total harmonic distortion plus noise(SE)
vs Output power
vs Frequency
12,13,14,15,16,17,18,19
11
21,22,23
24,25
26,27
28
vs Output power
Closed loop response
Crosstalk
vs Frequency
vs Frequency
vs Frequency
vs Frequency
PSRR Power supply ripple rejection(BTL)
PSRR Power supply ripple rejection(SE)
29
Vn
Output noise voltage
30
TOTAL HARMONIC DISTORTION + NOISE
TOTAL HARMONIC DISTORTION + NOISE
vs
vs
FREQUENCY
FREQUENCY
f-Frequency-Hz
f-Frequency-Hz
Figure-8
Figure-9
V.1.3 Revised April 02,2007
Page 14
SAMHOP [ SAMHOP MICROELECTRONICS CORP. ]
