tda8542t NXP Semiconductors, tda8542t Datasheet - Page 12

• Manufacturer Part Number: tda8542t
• Description: 2 X 1 W Btl Audio Amplifier
• Manufacturer: NXP Semiconductors

Philips Semiconductors
SE APPLICATION
1998 Apr 01
handbook, full pagewidth
handbook, halfpage
2
f = 1 kHz, G
(1) V
(2) V
(3) V
Gain left
Gain right
THD
10
10
(%)
10
CC
CC
CC
1 W BTL audio amplifier
10
1
1
2
= 7.5 V, R
= 9 V, R
= 12 V, R
=
2
=
v
R2
------- -
R1
Fig.15 THD as a function of P
= 20 dB.
R4
------- -
R3
L
L
= 8 .
L
= 16 .
= 4 .
10
1 F
1 F
V iL
V iR
1
(1)
(2)
(3)
10 k
10 k
R1
R3
R2
R4
47 F
100 k
100 k
C3
1
OUTR
P o (W)
BTL/SE
MODE
Fig.14 Single-ended application.
INR
INR
o
MGD899
INL
INL
SVR
.
10
14
13
11
12
4
3
5
16
1
TDA8542
12
GND
9
8
handbook, halfpage
P
(1) V
(2) V
(3) V
15
10
o
7
2
THD
= 0.5 W, G
10
10
(%)
10
CC
CC
CC
OUTL
OUTR
OUTR
OUTL
MBH799
1
1
2
10
Fig.16 THD as a function of frequency.
= 7.5 V, R
= 9 V, R
= 12 V, R
v
= 20 dB.
100 nF
L
L
= 8 .
L
10
= 16 .
= 4 .
2
(1)
(2)
(3)
470 F
470 F
C4
C5
10
3
100 F
R L
R L
V CC
Product specification
10
4
TDA8542
f (Hz)
MGD900
10
5