tda8542t NXP Semiconductors, tda8542t Datasheet - Page 9

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

Philips Semiconductors
BTL APPLICATION
1998 Apr 01
handbook, full pagewidth
handbook, halfpage
2
RI = .
Gain left
Gain right
(mA)
I q
30
20
10
0
1 W BTL audio amplifier
0
=
=
2
2
Fig.4 I
R2
------- -
R1
R4
------- -
R3
4
q
1 F
1 F
as a function of V
V iL
V iR
8
10 k
10 k
R1
R3
R2
R4
12
47 F
50 k
50 k
C3
OUTR
16
CC
V CC (V)
BTL/SE
.
MODE
MGD890
INR
INR
INL
INL
SVR
20
Fig.3 BTL application.
14
13
11
12
4
3
5
16
1
TDA8542
9
GND
handbook, halfpage
9
8
f = 1 kHz, G
(1) V
(2) V
15
10
10
10
THD
2
7
(%)
10
CC
CC
10
1
1
2
OUTL
OUTL
OUTR
OUTR
MBH798
= 5 V, R
= 9 V, R
2
v
= 20 dB.
Fig.5 THD as a function of P
L
L
100 nF
= 8 .
= 16 .
10
1
R L
R L
100 F
(1)
V CC
1
(2)
Product specification
P o (W)
TDA8542
o
MGD891
.
10