TDA8932B_3 © NXP B.V. 21 June 2007. All rights reserved.
Product data sheet Rev. 03— 21 June 2007 32 of 48

NXP Semiconductors TDA8932B

Class-D audio amplifier

a. RL=2×4; fi= 1 kHz; 2 layer SO32 application

board (55 mm ×45 mm) without heat sink b. RL=2×8; fi= 1 kHz; 2 layer SO32 application

board (55 mm ×45 mm) without heat sink

(1) VP=22V

(2) VP=26V

(3) VP=29V

(1) VP=30V

(2) VP=34V

Fig 23. Output power per channel as a function of time

t (s)
0 600480240 360120
001aaf887
16
8
24
32
0
Po
(W/channel)
(2)
(1)
(3)
t (s)
0 600480240 360120
001aaf888
16
8
24
32
0
Po
(W/channel)
(2)
(1)
Vi= 100 mV (RMS value); fi= 1 kHz; VENGAGE >3V V
i= 100 mV (RMS value); fi= 1 kHz;
VPOWERUP >2V

Fig 24. Output voltage as a function of voltage on pin

POWERUP Fig 25. Output voltage as a function of voltage on pin

ENGAGE

001aaf890
VPOWERUP (V)
03210.5 2.51.5
2
1
3
4
Vo
(V)
0
operating
sleep
001aaf891
VENGAGE (V)
03210.5 2.51.5
2
1
3
4
Vo
(V)
0
operating
mute