TDA8547 データシートの表示（PDF） - Philips Electronics
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TDA8547 Datasheet PDF : 24 Pages
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Philips Semiconductors
2 × 1 W BTL audio amplifier with output
channel switching
Preliminary specification
TDA8547
10
handbook, halfpage
THD
(%)
1
10−1
MGD892
(1)
(2)
10−2
10
102
103
104
105
f (Hz)
Po = 0.5 W; Gv = 20 dB.
(1) VCC = 5 V; RL = 8 Ω.
(2) VCC = 9 V; RL = 16 Ω.
Fig.7 THD as a function of frequency.
handbook−,6h0alfpage
αcs
(dB)
−70
−80
−90
MGK699
(1)
(2)
(3)
−100
10
102
103
VCC = 5 V; Vo = 2 V; RL = 8 Ω.
(1) Gv = 30 dB.
(2) Gv = 20 dB.
(3) Gv = 6 dB.
104 f (Hz) 105
Fig.8 Channel separation as a function of
frequency.
handbook−,2h0alfpage
SVRR
(dB)
−40
−60
MGD894
(1)
(2)
(3)
−80
10
102
103
VCC = 5 V; RS = 0 Ω; Vr = 100 mV.
(1) Gv = 30 dB.
(2) Gv = 20 dB.
(3) Gv = 6 dB.
104
105
f (Hz)
Fig.9 SVRR as a function of frequency.
1997 Oct 07
handbook2, .h5alfpage
Po
(W)
2
1.5
MGD895
(1)
(2)
1
0.5
0
0
4
8
12
VCC (V)
THD = 10%.
(1) RL = 8 Ω.
(2) RL = 16 Ω.
Fig.10 Po as a function of VCC.
11
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