TDA8542TS 查看數據表（PDF） - Philips Electronics
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TDA8542TS Datasheet PDF : 20 Pages
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Philips Semiconductors
2 × 0.7 W BTL audio amplifier
Product specification
TDA8542TS
BTL APPLICATION
handbook, full pagewidth
R2 50 kΩ
1 µF R1
10 kΩ
ViL
C3
47 µF
INL−
INL+
R4
1 µF R3
10 kΩ
ViR
OUTR−
50 kΩ
INR−
INR+
SVR
MODE
Gain left = 2 × RR-----21--
Gain right = 2 × RR-----43--
Pins 2, 7, 9, 12 and 19 are not connected.
BTL/SE
20
17
16
11
18
3
TDA8542TS
14
15
13
5
4
8
61
10
GND
OUTL−
OUTL+
OUTR−
OUTR+
MBK443
100 nF
RL
RL
Fig.3 BTL application.
VCC
100 µF
30
handbook, halfpage
Iq
(mA)
20
MGD890
10
handbook, halfpage
THD
(%)
1
MBK446
10
10−1
0
0
4
8
12
16
20
VCC (V)
RL = ∞.
Fig.4 Iq as a function of VCC.
1998 Mar 25
10−2
10−2
10−1
1
10
Po (W)
f = 1 kHz; Gv = 20 dB; VCC = 5 V; RL = 8 Ω.
Fig.5 THD as a function of Po.
9
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