TDA8542AT Ver la hoja de datos (PDF) - Philips Electronics
Número de pieza
componentes Descripción
Fabricante
TDA8542AT Datasheet PDF : 20 Pages
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Philips Semiconductors
2 × 1.5 W BTL audio ampliï¬er
handbook−,2h0alfpage
αcs
(dB)
−40
−60
−80
MGD901
(1)
(2)
(3)
(4)
(5)
−100
10
102
103
Vo = 1 V, Gv = 20 dB.
(1) VCC = 5 V, RL = 32 Ω, to buffer.
(2) VCC = 7.5 V, RL = 4 Ω.
(3) VCC = 9 V, RL = 8 Ω.
(4) VCC = 12 V, RL = 16 Ω.
(5) VCC = 5 V, RL = 32 Ω.
104
105
f (Hz)
Fig.17 Channel separation as a function of
frequency.
Product speciï¬cation
TDA8542AT
handbook−,2h0alfpage
SVRR
(dB)
−40
−60
−80
10
102
MGD902
(1)
(2)
(3)
103
104
105
f (Hz)
RS = 0 Ω, Vr = 100 mV.
(1) Gv = 24 dB.
(2) Gv = 20 dB.
(3) Gv = 0 dB.
Fig.18 SVRR as a function of frequency.
handbook, h2alfpage
Po
(W)
1.6
1.2
0.8
MGD903
(1)
(2)
(3)
0.4
0
0
4
8
12
16
VCC (V)
THD = 10%.
(1) RL = 4 Ω.
(2) RL = 8 Ω.
(3) RL = 16 Ω.
Fig.19 Po as a function of VCC.
1998 Mar 25
handbook, h3alfpage
P
(W)
2
MGM217
(1) (2)
(3)
1
0
0
4
THD = 10%.
(1) RL = 4 Ω.
(2) RL = 8 Ω.
(3) RL = 16 Ω.
8
12 VCC (V) 16
Fig.20 Worst case power dissipation as a function
of VCC.
13
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