TDA8547TS_15 Datasheet, PDF (10/21 Pages) NXP Semiconductors – 2 × 0.7 W BTL audio amplifier with output channel switching

NXP Semiconductors
2 × 0.7 W BTL audio amplifier with
output channel switching
BTL APPLICATION
Product specification
TDA8547TS
handbook, full pagewidth
C1
1 μF
R2
R1
50 kΩ
10 kΩ
Vi1
C3
47 μF
20
IN1−
17
IN1+
16
11
OUT1−
18
OUT1+
3
OUT2−
C2
1 μF
R4
R3
50 kΩ
10 kΩ
Vi2
TDA8547TS
IN2−
14
IN2+
15
OUT2−
13
SVRR
5
MODE
4
8 ^OUT2+
Gain channel
1
=
2×
R-----2--
R1
Gain channel
2
=
2×
R-----4--
R3
SELECT
61
10
GND
MGK985
C4
100 nF
RL1
RL2
Fig.4 BTL application.
VCC
C5
100 μF
30
handbook, halfpage
Iq
(mA)
20
MGD890
10
handbook, halfpage
THD
(%)
1
MGK988
(1)
10
10^−1
0
0
4
8
12
16
20
VCC (V)
R_L = ∞.
Fig.5 I_q as a function of V_CC.
1998 Apr 01
10^−2
10^−2
10^−1
1
Po (W) ¹⁰
f = 1 kHz; G_v = 20 dB.
(1) V_CC = 5 V; R_L = 8 Ω.
Fig.6 THD as a function of P_o.
10