GMA7496L Datasheet, PDF (8/11 Pages) Gamma Microelectronics Inc. – 2W+2W AMPLIFIER W/ DC VOLUME CONTROL

AA
MICROELECTRONICS
Audio Amp.
GMA7496L
2W+2W AMPLIFIER W/ DC VOLUME CONTROL
TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
Stand- by Attenuation (dB)
20
10
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120 ^RI^{= 8W}
-130 0 dB @ Pout= 1W
-140
0 0.5 1 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
Vpin#11(V)
Figure 7. St- By Attenuation vs. Vpin 11
Mute Attenuation (dB)
20
10
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100 _{RI= 8W}
-110 _{0 dB @ Pout= 1W}
-120
0 0.4 0.8 1.2 1.6 2.0 2.4 2.8 3.2 3.6 4.0 4.4 4.8 5.2
Vpin#12(V)
Figure 8. Mute Attenuation vs. Vpin 12
PIN DESCRIPTION
V_S
V_S
V_S
SVR
+
-
30K
20K
6K
1K
20K
6K
1K
30K
-
+
100µA
OUT L
OUT R
PIN: SVR
8