tda8941p NXP Semiconductors, tda8941p Datasheet - Page 13

• Manufacturer Part Number: tda8941p
• Description: 1.5 W Mono Bridge Tied Load Btl Audio Amplifier
• Manufacturer: NXP Semiconductors

14. Application information
Philips Semiconductors
9397 750 06864
Product specification
Fig 13. Application diagram.
handbook, full pagewidth
MICROCONTROLLER
Standby
MODE
Mute
On
C1
0
0
1
14.1.1 Layout and grounding
Symmetrical
input
Asymmetrical
input
14.1 Printed-circuit board (PCB)
C2
0
1
0
signal
GND
C1
C2
R s
R s
For a high system performance level certain grounding techniques are essential.
The input reference grounds have to be tied with their respective source grounds and
must have separate tracks from the power ground tracks; this will prevent the large
(output) signal currents from interfering with the small AC input signals.
The small-signal ground tracks should be physically located as far as possible from
the power ground tracks. Supply and output tracks should be as wide as possible for
delivering maximum output power.
220 nF
220 nF
220 nF
220 nF
V CC
C i
C i
R
R
signal
GND
1.5
nF
MODE
SVR
IN
IN
10
F
5
3
4
6
Rev. 02 — 7 April 2000
R i
45 k
R i
45 k
MUTE LOGIC
TDA8941P
1/2 V CC
STANDBY/
1/2 V CC
20 k
20 k
1
V CC
1/2 V CC
8
SHORT CIRCUIT
TEMPERATURE
PROTECTION
30 k
30 k
AND
1.5 W mono BTL audio amplifier
100 nF
7
2
MGU016
GND
OUT
OUT
© Philips Electronics N.V. 2000. All rights reserved.
TDA8941P
1000 F
R L
16
V CC
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