参数资料
型号: TFA9812HN
厂商: NXP SEMICONDUCTORS
元件分类: 音频/视频放大
英文描述: 15 W, 2 CHANNEL, AUDIO AMPLIFIER, PQCC48
封装: 7 X 7 MM, 0.85 MM HEIGHT, PLASTIC, MO-220, SOT619-8, HVQFN-48
文件页数: 57/66页
文件大小: 386K
代理商: TFA9812HN
TFA9812_2
NXP B.V. 2009. All rights reserved.
Preliminary data sheet
Rev. 02 — 22 January 2009
60 of 66
NXP Semiconductors
TFA9812
BTL stereo Class-D audio amplier with I2S input
VP = 12 V; fi = 1 kHz; Power dissipation in junction only
(1) RL = 2 × 6
(2) RL = 2 × 8
VP = 12 V; fi = 1 kHz; ηpo = (2 × Po) / (2 × Po + Pd)
(1) RL = 2 × 6
(2) RL = 2 × 8
Fig 25. Power dissipation as a function of output
power
Fig 26. Efciency as a function of output power
010aaa496
1
2
3
P
(W)
0
Po (W/channel)
102
102
10
101
1
(1)
(2)
Po (W/channel)
010
8
46
2
010aaa497
40
60
20
80
100
ηPO
(%)
0
(1)
(2)
VP = 12 V; PO = 1 W
(1) RL = 2 × 6
(2) RL = 2 × 8
Fig 27. Channel separation as a function of frequency
010aaa498
60
40
80
20
0
αcs
(dB)
100
f (Hz)
10
105
104
102
103
(1)
(2)
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