TDA8542 データシートの表示（PDF） - Philips Electronics
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TDA8542 Datasheet PDF : 20 Pages
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Philips Semiconductors
2 × 1 W BTL audio amplifier
Product specification
TDA8542
BTL APPLICATION
handbook, full pagewidth
Gain left = 2 × RR-----21--
Gain right = 2 × RR-----43--
R2 50 kΩ
1 µF R1
INL−
16
9
14
10 kΩ
ViL
C3
INL+
13
47 µF
R4
1 µF R3
10 kΩ
ViR
OUTR−
50 kΩ
INR−
11
INR+
12
SVR
4
MODE
3
BTL/SE
5
TDA8542
1
8
OUTL−
15
100 nF
RL
OUTL+
2
OUTR−
10
RL
OUTR+
7
GND
MBH798
Fig.3 BTL application.
VCC
100 µF
30
handbook, halfpage
Iq
(mA)
20
MGD890
10
handbook, halfpage
THD
(%)
1
MGD891
(1) (2)
10
10−1
0
0
4
8
12
16
20
VCC (V)
RI = ∞.
Fig.4 Iq as a function of VCC.
1998 Apr 01
10−2
10−2
10−1
1
10
Po (W)
f = 1 kHz, Gv = 20 dB.
(1) VCC = 5 V, RL = 8 Ω.
(2) VCC = 9 V, RL = 16 Ω.
Fig.5 THD as a function of Po.
9
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