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Philips Semiconductors
12.2 Stereo and dual SE application
Table 9:
Stereo and dual SE application characteristics
= ± 27 V; R
= 4 Ω ; f
V
P
L
i
Symbol
Parameter
P
output power
o
THD
total harmonic distortion
G
closed loop voltage gain
v(cl)
SVRR
supply voltage ripple rejection
Z
input impedance
i
V
noise output voltage
n(o)
α
channel separation
cs
∆G
channel unbalance
v
V
output signal in mute
o(mute)
CMRR
common mode rejection ratio
[1]
R
is the series resistance of inductor of low-pass LC filter in the application.
sL
[2]
Output power is measured indirectly; based on R
[3]
Total harmonic distortion is measured in a bandwidth of 22 Hz to 20 kHz, using AES17 20 kHz brickwall filter. Maximum limit is
guaranteed but may not be 100 % tested.
[4]
V
= V
= 2 V (p-p); R
ripple
ripple(max)
[5]
B = 22 Hz to 20 kHz, using AES17 20 kHz brickwall filter.
[6]
B = 22 Hz to 22 kHz, using AES17 20 kHz brickwall filter; independent of R
= 0 Ω; f
[7]
P
= 1 W; R
o
s
i
[8]
V
= V
= 1 V (RMS); f
i
i(max)
TDA8920B_2
Product data sheet
= 1 kHz; f
= 317 kHz; R
osc
= 0 Ω.
s
= 1 kHz.
= 1 kHz.
i
< 0.1 Ω
= 25 ° C; unless otherwise specified.
[1]
; T
sL
amb
Conditions
= 3 Ω; V
= ±27 V
R
L
P
THD = 0.5 %
THD = 10 %
= 4 Ω; V
= ±27 V
R
L
P
THD = 0.5 %
THD = 10 %
= 6 Ω; V
= ±27 V
R
L
P
THD = 0.5 %
THD = 10 %
= 8 Ω; V
= ±27 V
R
L
P
THD = 0.5 %
THD = 10 %
P
= 1 W
o
f
= 1 kHz
i
f
= 6 kHz
i
operating
f
= 100 Hz
i
f
= 1 kHz
i
mute; f
= 100 Hz
i
standby; f
= 100 Hz
i
operating
= 0 Ω
R
s
mute
V
= 1 V (RMS)
i(CM)
measurement. See also
DSon
s
Rev. 02 — 07 November 2005
2 × 100 W class-D power amplifier
Min
[2]
-
-
[2]
-
-
[2]
-
-
[2]
-
-
[3]
-
-
29
[4]
-
40
[4]
-
[4]
-
45
[5]
-
[6]
-
[7]
-
-
[8]
-
-
Section
13.3.
.
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
TDA8920B
Typ
Max
Unit
87
-
W
110
-
W
69
-
W
86
-
W
48
-
W
60
-
W
36
-
W
45
-
W
0.02
0.05
%
0.03
-
%
30
31
dB
55
-
dB
50
-
dB
55
-
dB
80
-
dB
68
-
kΩ
µV
210
-
µV
160
-
70
-
dB
-
1
dB
µV
100
-
75
-
dB
14 of 34
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