TDA8933B NXP Semiconductors, TDA8933B Datasheet - Page 21

• Manufacturer Part Number: TDA8933B
• Description: The TDA8933B is a high-efficiency class D amplifier with low power dissipation
• Manufacturer: NXP Semiconductors

NXP Semiconductors
Table 13.
V
[1]
[2]
[3]
[4]
[5]
14. Application information
TDA8933B_1
Preliminary data sheet
Symbol
P
THD+N
G
|Z
V
V
CMRR
P
po
o(RMS)
n(o)
O(mute)
v(cl)
i
|
= 25 V, R
R
Output power is measured indirectly; based on R
THD+N is measured in a bandwidth of 20 Hz to 20 kHz, AES17 brick wall.
B = 22 Hz to 20 kHz, AES17 brick wall.
S
po
is the total series resistance of an inductor and a ESR single ended capacitor in the application.
=
---------------------- -
2 P
BTL characteristics
L
2 P
= 16 , f
Parameter
RMS output power
total harmonic
distortion-plus-noise
closed-loop voltage gain
input impedance
output noise voltage
mute output voltage
common mode rejection
ratio
output power efficiency
o
14.1 Output power estimation
+
o
P
i
= 1 kHz, f
The output power P
configurations can be estimated using
osc
= 320 kHz, R
Conditions
continuous time output power
R
R
P
differential
R
Mute mode; V
V
P
P
o
i(cm)
o
o
L
L
i
THD+N = 0.5 %, f
THD+N = 0.5 %, f
THD+N = 10 %, f
THD+N = 10 %, f
THD+N = 0.5 %, f
THD+N = 0.5 %, f
THD+N = 10 %, f
THD+N = 10 %, f
f
f
Operating mode
Mute mode
= 0
i
i
= 1 W
= 17 W; V
= 21 W; V
= 8 ; V
= 16 ; V
= 1 kHz
= 6 kHz
o
DSon
at THD+N = 0.5 %, just before clipping, for the SE and the BTL
= 1 V (RMS)
Rev. 01 — 23 October 2008
S
< 0.1
measurement.
P
P
P
P
= 17 V
i
= 25 V
= 1 V (RMS)
= 17 V; R
= 25 V; R
[1]
and T
i
i
i
i
i
i
i
i
= 1 kHz
= 100 Hz
= 1 kHz
= 100 Hz
= 1 kHz
= 100 Hz
= 1 kHz
= 100 Hz
L
L
amb
Equation 2
= 8
= 16
= 25 C; unless otherwise specified.
[2]
[3]
[4]
[4]
[5]
and
Min
11.9
-
15.4
-
14.9
-
18.9
-
-
-
35
35
-
-
-
-
89
92
Equation
Typ
13.7
13.7
17.1
17.1
16.5
16.5
20.6
20.6
0.01
0.04
36
50
100
70
100
75
91
94
3.
Class D audio amplifier
TDA8933B
© NXP B.V. 2008. All rights reserved.
Max
-
-
-
-
-
-
-
-
0.1
0.1
37
-
150
100
-
-
-
-
Unit
W
W
W
W
W
W
W
W
%
%
dB
k
dB
%
%
21 of 42
V
V
V