參數資料
型號: SA58672UK
廠商: NXP Semiconductors N.V.
元件分類: 音頻放大器
英文描述: 3.0 W mono class-D audio amplifier
封裝: SA58672TK<SOT650-2 (HVSON10)|<<http://www.nxp.com/packages/SOT650-2.html<1<Always Pb-free,;SA58672UK<Uncased die|<<<1<Always Pb-free,;
文件頁數: 25/27頁
文件大?。?/td> 183K
代理商: SA58672UK
SA58672_4
NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 04 — 8 June 2009
7 of 27
NXP Semiconductors
SA58672
3.0 W mono class-D audio amplier
10. Typical characterization curves
a. RL =2 × 15 H + 4.11
b. RL =2 × 15 H + 8.03
(1) VDD = 5.0 V.
(2) VDD = 3.6 V.
(3) VDD = 2.5 V.
Fig 5.
Output power efciency as a function of output power
40
60
20
80
100
ηpo
0
002aad856
Po (W)
0
3.0
2.0
1.0
0.5
1.5
2.5
(1)
(2)
(3)
40
60
20
80
100
0
Po (W)
0
2.0
1.5
0.5
1.0
002aad857
ηpo
(1)
(2)
(3)
a. VDD = 5.0 V
b. VDD = 3.6 V
(1) RL =2 × 15 H + 4.11 .
(2) RL =2 × 15 H + 8.03 .
Fig 6.
Power dissipation as a function of output power
002aad858
Po (W)
0
3.0
2.0
1.0
0.2
0.3
0.1
0.4
0.5
P
(W)
0
(1)
(2)
(1)
0.1
0.2
0.3
P
(W)
0
Po (W)
0
2.0
1.5
0.5
1.0
002aad859
(2)
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