SAMHOP Microelectronics Corp.
3W STEREO AUDIO POWER AMPLIFIER WITH ADVANCED DC VOLUME CONTROL
TOTAL HARMONIC DISTORTION + NOISE
TOTAL HARMONIC DISTORTION + NOISE
VS.
VS.
FREQUENCY
FREQUENCY
VDD = 5V
VDD = 5V
Load = 4 ohms
Po= 1.5 W
Load = 8 ohms
Po = 1 W
BTL Mode
BTL Mode
20dB
20dB
6dB
6dB
FREQUENCY (Hz)
Figure 4
FREQUENCY (Hz)
Figure 3
Figure 4
TOTAL HARMONIC DISTORTION + NOISE
TOTAL HARMONIC DISTORTION + NOISE
VS.
VS.
OUTPUT POWER
OUTPUT POWER
VDD = 4 V
VDD = 5 V
Load = 4 ohms
Gain = 20 dB
BTL Mode
Load = 4 ohms
Gain = 20 dB
BTL Mode
20KHz
20KHz
20 Hz
1 KHz
20 Hz
1 KHz
OUTPUT POWER (W)
Figure 5
OUTPUT POWER (W)
Figure 6
Figure 5
Figure 6
Page 10
V.1.4 Revised May 28,2007
SAMHOP [ SAMHOP MICROELECTRONICS CORP. ]
