TDA8920B NXP Semiconductors, TDA8920B Datasheet - Page 15

• Manufacturer Part Number: TDA8920B
• Description: The TDA8920B is a high efficiency class-D audio power amplifier with very lowdissipation
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Table 10:
V
[1]
[2]
[3]
[4]
[5]
[6]
[7]
13. Application information
TDA8920B_2
Product data sheet
Symbol
P
THD
G
SVRR
V
V
CMRR
P
Z
o
n(o)
o(mute)
v(cl)
i
= 27 V; R
R
Output power is measured indirectly; based on R
Total harmonic distortion is measured in a bandwidth of 22 Hz to 20 kHz, using an AES17 20 kHz brickwall filter. Maximum limit is
guaranteed but may not be 100 % tested.
V
B = 22 Hz to 20 kHz, using an AES17 20 kHz brickwall filter.
B = 22 Hz to 20 kHz, using an AES17 20 kHz brickwall filter; independent of R
V
ripple
i
sL
= V
is the series resistance of inductor of low-pass LC filter in the application.
i(max)
= V
Mono BTL application characteristics
Parameter
output power
total harmonic distortion
closed loop voltage gain
supply voltage ripple rejection
input impedance
noise output voltage
output signal in mute
common mode rejection ratio
ripple(max)
L
= 1 V (RMS); f
= 8 ; f
12.3 Mono BTL application
13.1 BTL application
= 2 V (p-p); R
i
= 1 kHz; f
When using the power amplifier in a mono BTL application the inputs of both channels
must be connected in parallel and the phase of one of the inputs must be inverted (see
Figure
single-ended demodulation filters.
i
= 1 kHz.
6). In principle the loudspeaker can be connected between the outputs of the two
s
osc
= 0 .
= 317 kHz; R
DSon
Rev. 02 — 07 November 2005
sL
Conditions
R
R
P
operating
mute; f
standby; f
operating
mute
V
measurement. See also
< 0.1
o
i(CM)
L
L
THD = 0.5 %
THD = 10 %
THD = 0.5 %
THD = 10 %
f
f
f
f
R
i
i
i
i
= 1 W
= 6 ; V
= 8 ; V
= 1 kHz
= 6 kHz
= 100 Hz
= 1 kHz
s
= 0
= 1 V (RMS)
i
= 100 Hz
[1]
i
; T
= 100 Hz
P
P
amb
= 27 V
= 27 V
= 25 C; unless otherwise specified.
s
Section
.
13.3.
2
[2]
[2]
[3]
[4]
[4]
[4]
[5]
[6]
[7]
100 W class-D power amplifier
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Min
-
-
-
-
-
-
35
-
70
-
-
22
-
-
-
-
Typ
174
210
138
173
0.02
0.03
36
80
80
80
80
34
300
220
200
75
TDA8920B
Max
-
-
-
-
0.05
-
37
-
-
-
-
-
-
-
-
-
15 of 34
Unit
W
W
W
W
%
%
dB
dB
dB
dB
dB
k
dB
V
V
V