Philips Semiconductors
TDA8947J
4-channel audio amplifier
107
Vo
(µV)
106
coc005
105
104
103
102
10
1
0
4
8
12
BTL; VCC = 18 V; Vi = 50 mV.
Fig 4. AC output voltage as function of voltage on pin MODE1
16
20
VMODE1 (V)
60
mce485
60
mce484
Po
Po
(W)
(W)
4Ω 6Ω
40
40
8Ω
20
RL = 1 Ω
0
8
12
16
2Ω 3Ω
4Ω
8Ω
20
24
28
VCC (V)
20 RL = 2 Ω
16 Ω
0
8
12
16
20
24
28
VCC (V)
THD = 10 %; one channel.
THD = 10 %; one channel.
a. SE
b. BTL
Fig 5. Output power as function of supply voltage at various loads
9397 750 14938
Product data sheet
Rev. 02 — 16 June 2005
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
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