TDA8551 데이터 시트보기 (PDF) - Philips Electronics
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TDA8551 Datasheet PDF : 20 Pages
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Philips Semiconductors
1 W BTL audio amplifier with digital volume control
Product specification
TDA8551
handbook,2h0alfpage
Gv
(dB)
0
MGM553
−20
−40
−60
−80
0
20
40
60 nvol 80
Fig.12 Volume gain as a function of volume steps.
3
handbook, halfpage
Po
(W)
2
1
MGM558
(1)
(2)
0
0
2
4 VP (V) 6
THD = 10 %.
(1) RL = 4 Ω.
(2) RL = 8 Ω.
Po(max) is limited by Ptot and a
maximum available repetitive
peak output current of 1 A.
Fig.13 Output power as a function of supply
voltage.
handbook1, .h5alfpage
P
(W)
1
MGM556
(1)
handbook1, .h5alfpage
P
(1)
(W)
1
MGM557
(2)
0.5
(3)
0
0
2
4 VP (V) 6
(1) RL = 4 Ω.
(2) RL = 8 Ω.
(3) RL = 16 Ω.
Fig.14 Power dissipation as a function of supply
voltage.
0.5
0
0
(2)
(3)
(4)
(5)
0.4
0.8
1.2
1.6
2.0
Po (W)
(1) VP = 5 V; RL = 4 Ω.
(2) VP = 5 V; RL = 8 Ω.
(3) VP = 3.3 V; RL = 4 Ω.
(4) VP = 5 V; RL = 16 Ω.
(5) VP = 3.3 V; RL = 8 Ω.
Fig.15 Power dissipation as a function of output
power.
1998 Feb 23
11
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