NXP Semiconductors TDA8932B =8, = 320 kHz; R

TDA8932B_3 © NXP B.V. 21 June 2007. All rights reserved.
Product data sheet Rev. 03— 21 June 2007 21 of 48
NXP Semiconductors TDA8932B
Class-D audio amplifier
[1] Rs is the series resistance of inductor and capacitor of low-pass LC filter in the application.
[2] THD+N is measured in a bandwidth of 20 Hz to 20 kHz, AES17 brick wall.
[3] Maximum Vripple = 2 V (p-p); Rs=0Ω.
[4] B = 20 Hz to 20 kHz, AES17 brick wall.
[5] Output power is measured indirectly; based on RDSon measurement.
Two layer application board (55 mm × 45 mm), 35 µm copper, FR4 base material in free air with natural convection.
Vn(o) noise output voltage Rs=0Ω
Operating mode [4] - 100 150 µV
Mute mode [4] - 70 100 µV
VO(mute) mute output voltage Mute mode; Vi= 1 V (RMS) and
fi= 1 kHz - 100 - µV
CMRR common mode rejection ratio Vi(cm) = 1 V (RMS) - 75 - dB
ηpo output power efficiency Po= 15 W; VP= 12 V and RL=4Ω88 90 - %
Po= 30 W; VP= 22 V and RL=8Ω90 92 - %
Po(RMS) RMS output power continuous time output power [5]
RL=4Ω; VP=12V
THD+N = 0.5 %; fi= 1 kHz 11.8 13.2 - W
THD+N = 0.5 %; fi= 100 Hz - 13.2 - W
THD+N = 10 %; fi= 1 kHz 15.5 17.2 - W
THD+N = 10 %; fi= 100 Hz - 17.2 - W
RL=8Ω; VP=22V
THD+N = 0.5 %; fi= 1 kHz 23.1 25.7 - W
THD+N = 0.5 %; fi= 100 Hz - 25.7 - W
THD+N = 10 %; fi= 1 kHz 28.9 32.1 - W
THD+N = 10 %; fi= 100 Hz - 32.1 - W
short time output power [5]
RL=4Ω; VP=15V
THD+N = 0.5 % 18.5 20.6 - W
THD+N = 10 % 23.9 26.6 - W
RL=8Ω; VP=29V
THD+N = 0.5 % 36.0 40.0 - W
THD+N = 10 % 49.5 55.0 - W
Table 13. BTL characteristics (Continued)
V
P
= 22 V; R
L
=8 Ω ; f
i
= 1 kHz; f
osc
= 320 kHz; R
s
< 0.1 Ω
[1]
; T
amb
=25 ° C; unless otherwise specified.
Symbol Parameter Conditions Min Typ Max Unit