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參數資料
型號: TFA9812HN/N1,557
廠商: NXP SEMICONDUCTORS
元件分類: 音頻/視頻放大
英文描述: 15 W, 2 CHANNEL, AUDIO AMPLIFIER, PQCC48
封裝: 7 X 7 MM, 0.85 MM HEIGHT, PLASTIC, MO-220, SOT619-8, HVQFN-48
文件頁數: 55/66頁
文件大小: 386K
代理商: TFA9812HN/N1,557
TFA9812_2
NXP B.V. 2009. All rights reserved.
Preliminary data sheet
Rev. 02 — 22 January 2009
59 of 66
NXP Semiconductors
TFA9812
BTL stereo Class-D audio amplier with I2S input
(1) Power limiter = 0 dB
(2) Power limiter =
1.5 dB
(3) Power limiter =
3 dB
(4) Power limiter =
4.5 dB
(1) Power limiter = 0 dB
(2) Power limiter =
1.5 dB
(3) Power limiter =
3 dB
(4) Power limiter =
4.5 dB
a. VP = 12 V; RL = 2 × 6 ; fi = 1 kHz; THD = 1 %
b. VP = 12 V; RL = 2 × 6 ; fi = 1 kHz; THD = 10 %
(1) Power limiter = 0 dB
(2) Power limiter =
1.5 dB
(3) Power limiter =
3 dB
(4) Power limiter =
4.5 dB
(1) Power limiter = 0 dB
(2) Power limiter =
1.5 dB
(3) Power limiter =
3 dB
(4) Power limiter =
4.5 dB
c. VP = 15 V; RL = 2 × 8 ; fi = 1 kHz; THD = 1 %
d. VP = 15 V; RL = 2 × 8 ; fi = 1 kHz; THD = 10 %
Fig 24. Output power as a function of supply voltage
010aaa492
VP (V)
820
16
18
12
14
10
15
5
20
25
Po
(W/chan.)
0
(1)
(2)
(3)
(4)
010aaa493
VP (V)
820
18
16
14
12
10
15
5
20
25
Po
(W/chan.)
0
(1)
(2)
(3)
(4)
010aaa494
VP (V)
820
16
12
10
14
18
10
15
5
20
25
Po
(W/chan.)
0
(1)
(2)
(3)
(4)
010aaa495
VP (V)
820
16
12
10
14
18
10
15
5
20
25
Po
(W/chan.)
0
(1)
(2)
(3)
(4)
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