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PDF ADAU1513 Data sheet ( Hoja de datos )
| Número de pieza | ADAU1513 | |
| Descripción | Class-D Audio Power Stage | |
| Fabricantes | Analog Devices | |
| Logotipo |  |
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FEATURES
Integrated stereo power stage
RDS-ON < 0.3 Ω (per transistor)
Efficiency > 90%
Short-circuit protection
Overtemperature protection
APPLICATIONS
Flat panel televisions
PC audio systems
Mini components
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INL+
INL–
INR+
INR–
AVDD
AGND
DVDD
Class-D Audio Power Stage
ADAU1513
GENERAL DESCRIPTION
The ADAU1513 is a 2-channel bridge-tied load (BTL)
Class-D audio power stage. The power stage can drive the
speaker loads of 4 Ω at up to 15 W per channel at high
efficiency. The 4-channel audio system can be formed when
used with an ADAV4201 pulse-width modulator (PWM)
processor using two ADAU1513s. The power stage accepts a
3.3 V logic differential PWM as input from an ADAV4201
processor. The power stage comprises thermal and output
short-circuit protection with logic-level error flag outputs for
interfacing to a system microcontroller along with reset and
mute control of the power stage. The power stage operates from
a range of power supply voltages from 9 V up to 18 V. The low
power digital logic operates from a 3.3 V supply. The power
stage can be used with modulators other than the ADAV4201.
Contact your local sales department for application assistance.
FUNCTIONAL BLOCK DIAGRAM
LEVEL SHIFT
AND DEAD
TIME CONTROL
VOLTAGE
REFERENCE
PVDD
A1 OUTL+
A2
PGND
PVDD
B1 OUTL–
B2
PGND
PVDD
C1 OUTR+
C2
PGND
PVDD
D1 OUTR–
D2
PGND
MODE CONTROL
LOGIC
TEMPERATURE/
OVERCURRENT
PROTECTION
DGND STDN MUTE ERR OTW
Figure 1.
ADAU1513
Rev. 0
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
©2007 Analog Devices, Inc. All rights reserved.
1 page  
ABSOLUTE MAXIMUM RATINGS
Table 6.
Parameter
DVDD to DGND
AVDD to AGND
PVDD to PGND1
PWM Inputs
MUTE/STDN Inputs
Operating Temperature Range
Storage Temperature Range
Maximum Junction Temperature
θJA Thermal Resistance
ΨJB Thermal Characterization
(Junction-Board)
ΨJT Thermal Characterization
(Junction-Package Top)
Lead Temperature
Soldering (10 sec)
Vapor Phase (60 sec)
Infrared (15 sec)
Rating
−0.3 V to +3.6 V
−0.3 V to +3.6 V
−0.3 V to +20.0 V
DGND − 0.3 V to DVDD + 0.3 V
DGND − 0.3 V to DVDD + 0.3 V
−40°C to +85°C
–65°C to +150°C
150°C
26.7°C/W
13.3°C/W
0.2°C/W
260°C
215°C
220°C
1 Includes any induced voltage due to inductive load.
ADAU1513
Stresses above those listed under Absolute Maximum Ratings
may cause permanent damage to the device. This is a stress
rating only; functional operation of the device at these or any
other conditions above those indicated in the operational
section of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect
device reliability.
ESD CAUTION
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Rev. 0 | Page 5 of 16
5 Page 
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30
REQUIRES EXTRA HEAT-SINKING
25
20
15
4Ω
6Ω
8Ω
10
5
0
6 7 8 9 10 11 12 13 14 15 16 17 18
PVDD (V)
Figure 23. Output Power vs. PVDD, 40 dB THD + N
40
35 4Ω
30
25 6Ω
8Ω
20
15
10
5
0
6 7 8 9 10 11 12 13 14 15 16 17 18
PVDD (V)
Figure 24. Output Power vs. PVDD, 20 dB THD + N
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0 5 10 15 20 25 30
OUTPUT POWER PER CHANNEL, STEREO MODE (W)
Figure 25. Power Dissipation vs. Output Power, 4 Ω
35
ADAU1513
6
5
4
3
2
1
0
0 5 10 15 20
OUTPUT POWER PER CHANNEL, STEREO MODE (W)
Figure 26. Power Dissipation vs. Output Power, 6 Ω
25
3
2
1
0
0 5 10 15
OUTPUT POWER PER CHANNEL, STEREO MODE (W)
Figure 27. Power Dissipation vs. Output Power, 8 Ω
20
Rev. 0 | Page 11 of 16
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| PDF Descargar | [ Datasheet ADAU1513.PDF ] | |
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