TDA8542AT Просмотр технического описания (PDF) - Philips Electronics
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TDA8542AT Datasheet PDF : 20 Pages
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Philips Semiconductors
2 × 1.5 W BTL audio amplifier
Product specification
TDA8542AT
SE APPLICATION
handbook, full pagewidth
R2 100 kΩ
1 µF R1
10 kΩ
ViL
C3
47 µF
INL−
19
17
INL+
16
12
100 nF
OUTL−
18
C4
470 µF
Gain left = RR-----21--
R4
1 µF R3
10 kΩ
ViR
OUTR−
100 kΩ
TDA8542AT
INR−
14
OUTL+
3
INR+
15
SVR
5
OUTR−
13
MODE
4
OUTR+
8
BTL/SE
62
9
Gain right = RR-----43--
Pins 1, 10, 11 and 20 connected to ground.
GND
MGM216
C5
470 µF
Fig.14 Single-ended application.
VCC
100 µF
RL = 8 Ω
RL = 8 Ω
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 Mar 25
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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