TDA8547T データシートの表示（PDF） - Philips Electronics
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TDA8547T Datasheet PDF : 24 Pages
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Philips Semiconductors
2 × 1 W BTL audio amplifier with output
channel switching
BTL APPLICATION
Preliminary specification
TDA8547
handbook, full pagewidth
C1
1 µF
R2
R1
50 kΩ
10 kΩ
Vi1
C3
47 µF
IN1−
14
IN1+
13
C2
1 µF
R4
R3
10 kΩ
Vi2
Gain channel 1 = 2 × RR-----21--
Gain channel 2 = 2 × RR-----43--
OUT2−
50 kΩ
IN2−
11
IN2+
12
SVRR
4
MODE
3
SELECT
5
16
9
C4
100 nF
OUT1−
15
RL1
OUT1+
2
TDA8547
OUT2−
10
RL2
7 OUT2+
1
8
GND
MGK701
Fig.4 BTL application.
VCC
C5
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)
RL = ∞.
Fig.5 Iq as a function of VCC.
1997 Oct 07
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.6 THD as a function of Po.
10
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