SAMHOP Microelectronics Corp.
3W STEREO AUDIO POWER AMPLIFIER WITH ADVANCED DC VOLUME CONTROL
Table 2. DC Volume Control (SE Mode, V
DD
=5V)
SE_VOLUME=VOLUME-SEDIFF or SEMAX
FROM (V)
0.00
0.31
0.42
0.54
0.65
0.76
0.87
0.98
1.10
1.21
1.32
1.43
1.54
1.66
1.77
1.88
1.99
2.10
2.21
2.33
2.44
2.55
2.67
2.77
2.89
3.00
3.11
3.22
3.33
3.44
3.55
3.67
TO (V)
0.23
0.34
0.46
0.56
0.67
0.79
0.90
1.01
1.12
1.24
1.35
1.46
1.57
1.68
1.79
1.91
2.02
2.13
2.24
2.35
2.47
2.57
2.70
2.80
2.92
3.03
3.14
3.26
3.37
3.48
3.60
5.00
GAIN OF AMPLIFIER
(Typ.)
-85
-46
-44
-42
-40
-38
-36
-34
-32
-30
-28
-26
-24
-22
-20
-18
-16
-14
-12
-10
-8
-6
-4
-2
0
2
4
6
8
10
12
14
Page 7
V.1.3 Revised April 02,2007