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PT2305-HT 데이터 시트보기 (PDF) - Princeton Technology
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PT2305-HT
2.5W × 2 Class AB Audio Power Amplifier
Princeton Technology
PT2305-HT Datasheet PDF : 27 Pages
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Tel: 886-2-66296288
Fax: 886-2-29174598
URL: http://www.princeton.com.tw
2.5W × 2 Class AB Audio Power Amplifier
PT2305
VOLUME CONTROL TABLE
Step
1
2
Gain
(dB)
0
-1
Voltage Range (%VDD)
Low High Recommended
77.5 % 100.00 % 100.000%
75.0 % 78.5 %
76.875 %
3
-2 72.5 % 76.25 %
74.375 %
4
-3 70.0 % 73.75 %
71.875 %
5
-4 67.5 % 71.25 %
69.375 %
6
-5 65.0 % 68.75 %
66.875 %
7
-6 62.5 % 66.25 %
64.375 %
8
-8 60.5 % 63.75 %
61.875 %
9 -10 57.5 % 61.25 %
59.375 %
10 -12 55.0 % 58.75 %
56.875 %
11 -14 52.5 % 56.25 %
54.375 %
12 -16 50.0 % 53.75 %
51.875 %
13 -18 47.5 % 51.25 %
49.375 %
14 -20 45.0 % 48.75 %
46.875 %
15 -22 42.5 % 46.25 %
44.375 %
16 -24 40.0 % 43.75 %
41.875 %
17 -26 37.5 % 41.25 %
39.375 %
18 -28 35.0 % 38.75 %
36.875 %
19 -30 32.5 % 36.25 %
34.375 %
20 -32 30.0 % 33.75 %
21 -34 27.5 % 31.25 %
22 -36 25.0 % 28.75 %
23 -39 22.5 % 26.25 %
31.875 %
29.375 %
26.875 %
24.375 %
24 -42 20.0 % 23.75 %
21.875 %
25 -45 17.5 % 21.25 %
19.375 %
26 -47 15.0 % 18.75 %
16.875 %
27 -51 12.5 % 16.25 %
14.375 %
28 -56 10.0 % 13.75 %
11.875 %
29 -61 7.5 % 11.25 %
9.375 %
30 -66 5.0 % 8.75 %
6.875 %
31 -78 0.0 % 6.25 %
0.000 %
Voltage Range (VDD=5V)
Low High Recommended
3.875 5.000
5.000
3.750 3.938
3.844
3.625 3.813
3.719
3.500 3.688
3.594
3.375 3.563
3.469
3.250 3.438
3.344
3.125 3.313
3.219
3.000 3.188
3.094
2.875 3.063
2.969
2.750 2.938
2.844
2.625 2.813
2.719
2.500 2.688
2.594
2.375 2.563
2.469
2.250 2.438
2.344
2.125 2.313
2.219
2.000 2.188
2.094
1.875 2.063
1.969
1.750 1.938
1.844
1.625 1.813
1.719
1.500 1.688
1.594
1.375 1.563
1.469
1.250 1.438
1.344
1.125 1.313
1.219
1.000 1.188
1.094
0.875 1.063
0.969
0.750 0.937
0.844
0.625 0.812
0.719
0.500 0.687
0.594
0.375 0.562
0.469
0.250 0.437
0.344
0.000 0.312
0.000
Voltage Range (VDD=3V)
Low High Recommended
2.325 3.000
3.000
2.250 2.363
2.306
2.175 2.288
2.231
2.100 2.213
2.156
2.025 2.138
2.081
1.950 2.063
2.006
1.875 1.988
1.931
1.800 1.913
1.856
1.725 1.838
1.781
1.650 1.763
1.706
1.575 1.688
1.631
1.500 1.613
1.556
1.425 1.538
1.481
1.350 1.463
1.406
1.275 1.388
1.331
1.200 1.313
1.256
1.125 1.238
1.181
1.050 1.163
1.106
0.975 1.088
1.031
0.900 1.013
0.956
0.825 0.937
0.881
0.750 0.862
0.806
0.675 0.787
0.731
0.600 0.712
0.656
0.525 0.637
0.581
0.450 0.562
0.506
0.375 0.487
0.431
0.300 0.412
0.356
0.225 0.337
0.281
0.150 0.262
0.206
0.000 0.187
0.000
PT2305 V1.1
-6-
May, 2005
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