tda8932btw-n2 NXP Semiconductors, tda8932btw-n2 Datasheet - Page 22
tda8932btw-n2
Manufacturer Part Number
tda8932btw-n2
Description
Tda8932b Class-d Audio Amplifier
Manufacturer
NXP Semiconductors
Datasheet
1.TDA8932BTW-N2.pdf
(48 pages)
- Current page: 22 of 48
- Download datasheet (311Kb)
NXP Semiconductors
14. Application information
TDA8932B_3
Product data sheet
14.1 Output power estimation
The output power P
configuration can be estimated using
SE configuration:
BTL configuration:
Where:
The output power P
Figure 8
THD+N = 10 % as a function of the supply voltage for SE and BTL configurations at
different load impedances. The output power is calculated with: R
T
P
P
P
j
o 0.5%
o 0.5%
o 10%
V
R
R
R
R
t
f
= 25 C), R
w(min)
osc
P
L
DSon
s
ESR
= series resistance output inductor (
= supply voltage V
= load impedance ( )
= oscillator frequency (Hz); 320 kHz typical with Rosc = 39 k
= equivalent series resistance SE capacitor (
= minimum pulse width (s); 80 ns typical
=
= on-resistance power switch (
=
=
and
1.25 P
------------------------------------------------------------------------------------------------------------------------------------------ -
------------------------------------------------------------------------------------------------------------------------------------- -
----------------------------------------------------------
----------------------------------------------------- -
Figure 9
R
R
s
L
L
= 0.05 , R
+
+
2
R
o 0.5%
o
o
DSon
at THD+N = 0.5 %, just before clipping, for the SE and BTL
at THD+N = 10 % can be estimated by:
show the estimated output power at THD+N = 0.5 % and
R
R
R
Rev. 03— 21 June 2007
DDP1
L
DSon
+
L
R
ESR
s
+
+
R
V
= 0.05
R
s
ESR
SSP1
2
8
R
(V) or V
Equation 2
R
1 t
L
L
1 t
–
and I
–
w min
w min
DDP2
O(ocp)
and
f
= 4 A (minimum).
osc
V
f
Equation
osc
SSP2
V
(V)
P
V
P
2
3.
2
Class-D audio amplifier
DSon
© NXP B.V. 21 June 2007. All rights reserved.
TDA8932B
= 0.15
(at
22 of 48
(2)
(3)
(4)
Related parts for tda8932btw-n2
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
The TDA8932B is a high efficiency class-D amplifier with low power dissipation
Manufacturer:
NXP Semiconductors
Datasheet:
Part Number:
Description:
TDA8932B/33(B) Class-D audio amplifier
Manufacturer:
PHILIPS [NXP Semiconductors]
Datasheet:
Part Number:
Description:
Manufacturer:
NXP Semiconductors
Datasheet:
Part Number:
Description:
Tda8932 Class-d Audio Amplifier
Manufacturer:
NXP Semiconductors
Datasheet:
Part Number:
Description:
NXP Semiconductors designed the LPC2420/2460 microcontroller around a 16-bit/32-bitARM7TDMI-S CPU core with real-time debug interfaces that include both JTAG andembedded trace
Manufacturer:
NXP Semiconductors
Datasheet:
Part Number:
Description:
NXP Semiconductors designed the LPC2458 microcontroller around a 16-bit/32-bitARM7TDMI-S CPU core with real-time debug interfaces that include both JTAG andembedded trace
Manufacturer:
NXP Semiconductors
Datasheet:
Part Number:
Description:
NXP Semiconductors designed the LPC2468 microcontroller around a 16-bit/32-bitARM7TDMI-S CPU core with real-time debug interfaces that include both JTAG andembedded trace
Manufacturer:
NXP Semiconductors
Datasheet:
Part Number:
Description:
NXP Semiconductors designed the LPC2470 microcontroller, powered by theARM7TDMI-S core, to be a highly integrated microcontroller for a wide range ofapplications that require advanced communications and high quality graphic displays
Manufacturer:
NXP Semiconductors
Datasheet:
Part Number:
Description:
NXP Semiconductors designed the LPC2478 microcontroller, powered by theARM7TDMI-S core, to be a highly integrated microcontroller for a wide range ofapplications that require advanced communications and high quality graphic displays
Manufacturer:
NXP Semiconductors
Datasheet:
Part Number:
Description:
The Philips Semiconductors XA (eXtended Architecture) family of 16-bit single-chip microcontrollers is powerful enough to easily handle the requirements of high performance embedded applications, yet inexpensive enough to compete in the market for hi
Manufacturer:
NXP Semiconductors
Datasheet:
Part Number:
Description:
The Philips Semiconductors XA (eXtended Architecture) family of 16-bit single-chip microcontrollers is powerful enough to easily handle the requirements of high performance embedded applications, yet inexpensive enough to compete in the market for hi
Manufacturer:
NXP Semiconductors
Datasheet:
Part Number:
Description:
The XA-S3 device is a member of Philips Semiconductors? XA(eXtended Architecture) family of high performance 16-bitsingle-chip microcontrollers
Manufacturer:
NXP Semiconductors
Datasheet:
Part Number:
Description:
The NXP BlueStreak LH75401/LH75411 family consists of two low-cost 16/32-bit System-on-Chip (SoC) devices
Manufacturer:
NXP Semiconductors
Datasheet:
Part Number:
Description:
The NXP LPC3130/3131 combine an 180 MHz ARM926EJ-S CPU core, high-speed USB2
Manufacturer:
NXP Semiconductors
Datasheet:
Part Number:
Description:
The NXP LPC3141 combine a 270 MHz ARM926EJ-S CPU core, High-speed USB 2
Manufacturer:
NXP Semiconductors