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TDA8542AT Datasheet, PDF (13/20 Pages) NXP Semiconductors – 2 x 1.5 W BTL audio amplifier | |||
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Philips Semiconductors
2 à 1.5 W BTL audio ampliï¬er
handbookâ,2h0alfpage
αcs
(dB)
â40
â60
â80
MGD901
(1)
(2)
(3)
(4)
(5)
â100
10
102
103
Vo = 1 V, Gv = 20 dB.
(1) VCC = 5 V, RL = 32 â¦, to buffer.
(2) VCC = 7.5 V, RL = 4 â¦.
(3) VCC = 9 V, RL = 8 â¦.
(4) VCC = 12 V, RL = 16 â¦.
(5) VCC = 5 V, RL = 32 â¦.
104
105
f (Hz)
Fig.17 Channel separation as a function of
frequency.
Product speciï¬cation
TDA8542AT
handbookâ,2h0alfpage
SVRR
(dB)
â40
â60
â80
10
102
MGD902
(1)
(2)
(3)
103
104
105
f (Hz)
RS = 0 â¦, 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 â¦.
(2) RL = 8 â¦.
(3) RL = 16 â¦.
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 â¦.
(2) RL = 8 â¦.
(3) RL = 16 â¦.
8
12 VCC (V) 16
Fig.20 Worst case power dissipation as a function
of VCC.
13
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