TDA8932T NXP Semiconductors, TDA8932T Datasheet - Page 28

Audio Amplifiers 2X15W BTL CLASS D AMP+VOLCTRL

TDA8932T

Manufacturer Part Number
TDA8932T
Description
Audio Amplifiers 2X15W BTL CLASS D AMP+VOLCTRL
Manufacturer
NXP Semiconductors
Datasheet

Specifications of TDA8932T

Product
Class-D
Output Power
50 W
Available Set Gain
36 dB
Common Mode Rejection Ratio (min)
56 dB
Thd Plus Noise
0.015 %
Operating Supply Voltage
22 V
Maximum Power Dissipation
5000 mW
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Audio Load Resistance
8 Ohms
Dual Supply Voltage
+/- 11 V
Input Signal Type
Differential
Minimum Operating Temperature
- 40 C
Output Signal Type
Differential, Single
Supply Type
Single or Dual
Supply Voltage (max)
36 V
Supply Voltage (min)
10 V
Output Type
1-Channel Mono or 2-Channel Stereo
Package / Case
SOIC-32
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
TDA8932T/N1,112

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NXP Semiconductors
TDA8932_2
Preliminary data sheet
Equation 10
the thermal resistance from junction to ambient.
Where:
The power dissipation is shown in
The thermal resistance as a function of the PCB area (35 m copper) is shown in
Figure
Example 1
The required thermal resistance R
R
Fig 11. Thermal resistance as a function of the PCB area
th j a
R
T
T
P = power dissipation which is determined by the efficiency of the TDA8932
j(max)
amb
th(j-a)
At V
dissipation P = 2.3 W at P
T
(1) Single layer FR2 PCB; copper plane at device side (100 % coverage).
(2) Double layer FR4 PCB; copper plane on both sides (100 % coverage).
j(max)
11.
= ambient temperature
P
= maximum junction temperature
= thermal resistance from junction to ambient
=
= 30 V and P
= 125 C and T
T
----------------------------------- -
shows the relation between the maximum allowable power dissipation P and
j max
P
T
R
(K/W)
Rev. 02 — 12 December 2006
th(j-a)
amb
o
80
60
40
20
= 2
amb
0
o
= 25 C.
15 W into 8
= 15 W (see
2000
th(j-a)
Figure 20
4000
= 100 / 2.3 = 43 K/W.
Figure
(SE) and
(THD+N = 10 % continuous), the power
6000
20).
PCB area (mm
8000
Figure 27
001aae336
(1)
(2)
10000
2
Class-D audio amplifier
(BTL).
)
TDA8932
© NXP B.V. 2006. All rights reserved.
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