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
SE APPLICATION
handbook, full pagewidth
Gain left = RR-----21--
Gain right = RR-----43--
R2 100 kΩ
1 µF R1
10 kΩ
ViL
C3
47 µF
INL−
16
14
INL+
13
9
100 nF
OUTL−
15
C4
470 µF
R4
1 µF R3
10 kΩ
ViR
OUTR−
100 kΩ
INR−
11
INR+
12
SVR
4
MODE
3
BTL/SE
5
TDA8542
1
8
OUTL+
2
OUTR−
10
OUTR+
7
C5
470 µF
VCC
100 µF
RL
RL
GND
MBH799
Fig.14 Single-ended application.
10
handbook, halfpage
THD
(%)
1
(1)
(2)
10−1
(3)
MGD899
10−2
10−2
10−1
1
10
Po (W)
f = 1 kHz, Gv = 20 dB.
(1) VCC = 7.5 V, RL = 4 Ω.
(2) VCC = 9 V, RL = 8 Ω.
(3) VCC = 12 V, RL = 16 Ω.
Fig.15 THD as a function of Po.
1998 Apr 01
10
handbook, halfpage
THD
(%)
1
MGD900
10−1
10−2
10
(1)
(2)
(3)
102
103
104
105
f (Hz)
Po = 0.5 W, Gv = 20 dB.
(1) VCC = 7.5 V, RL = 4 Ω.
(2) VCC = 9 V, RL = 8 Ω.
(3) VCC = 12 V, RL = 16 Ω.
Fig.16 THD as a function of frequency.
12
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