TPA3110D2 15-W Fil ter-Free Stereo Class-D Audio Power ...
[Pages:36]Product Folder
Order Now
Technical Documents
Tools & Software
Support & Community
TPA3110D2
SLOS528F ? JULY 2009 ? REVISED APRIL 2017
TPA3110D2 15-W Fil ter-Free Stereo Class-D Audio Power Amplifier With SpeakerguardTM
1 Features
?1 15-W/ch into an 8- Loads at 10% THD+N From a 16-V Supply
? 10-W/ch into 8- Loads at 10% THD+N From a 13-V Supply
? 30-W into a 4- Mono Load at 10% THD+N From a 16-V Supply
? 90% Efficient Class-D Operation Eliminates Need for Heat Sinks
? Wide Supply Voltage Range Allows Operation From 8 V to 26 V
? Filter-Free Operation ? SpeakerGuardTM Speaker Protection Includes
Adjustable Power Limiter Plus DC Protection ? Flow Through Pin Out Facilitates Easy Board
Layout ? Robust Pin-to-Pin Short Circuit Protection and
Thermal Protection With Auto Recovery Option ? Excellent THD+N / Pop-Free Performance ? Four Selectable, Fixed Gain Settings ? Differential Inputs
2 Applications
? Televisions ? Consumer Audio Equipment
3 Description
The TPA3110D2 is a 15-W (per channel) efficient, Class-D audio power amplifier for driving bridged-tied stereo speakers. Advanced EMI Suppression Technology enables the use of inexpensive ferrite bead filters at the outputs while meeting EMC requirements. SpeakerGuardTM speaker protection circuitry includes an adjustable power limiter and a DC detection circuit. The adjustable power limiter allows the user to set a "virtual" voltage rail lower than the chip supply to limit the amount of current through the speaker. The DC detect circuit measures the frequency and amplitude of the PWM signal and shuts off the output stage if the input capacitors are damaged or shorts exist on the inputs.
The TPA3110D2 can drive stereo speakers as low as 4 . The high efficiency of the TPA3110D2, 90%, eliminates the need for an external heat sink when playing music.
The outputs are also fully protected against shorts to GND, VCC, and output-to-output. The short-circuit protection and thermal protection includes an autorecovery feature.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
TPA3110D2
HTSSOP (28)
9.70 mm ? 4.40 mm
(1) For all available packages, see the orderable addendum at the end of the data sheet.
TPA3110D2 Simplified Application Schematic
1mF
OUTL+
LINP TPA3110D2
Audio Source
OUTL-
OUTR+ OUTR-
LINN
RINP RINN
OUTPL OUTNL
FERRITE BEAD FILTER
15W 8W
GAIN0 GAIN1
PLIMIT PBTL
OUTPR OUTNR
FERRITE BEAD FILTER
15W 8W
Fault SD
PVCC
8 to 26V
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA.
TPA3110D2
SLOS528F ? JULY 2009 ? REVISED APRIL 2017
Table of Contents
1 Features .................................................................. 1 2 Applications ........................................................... 1 3 Description ............................................................. 1 4 Revision History..................................................... 2 5 Device Comparison Table..................................... 4 6 Pin Configuration and F unctions ........................ 4 7 Specifications......................................................... 5
7.1 Absolute Maximum Ratings ...................................... 5 7.2 ESD Ratings.............................................................. 6 7.3 Recommended Operating Conditions...................... 6 7.4 Thermal Information .................................................. 6 7.5 DC Characteristics: 24 V.......................................... 6 7.6 DC Characteristics: 12 V.......................................... 7 7.7 AC Characteristics: 24 V.......................................... 7 7.8 AC Characteristics: 12 V.......................................... 7 7.9 Typical Characteristics ............................................. 8 8 Parameter Measurement Information ................ 14 9 Detailed Description ............................................ 14 9.1 Overview ................................................................. 14
9.2 Functional Block Diagram ....................................... 14 9.3 Feature Description................................................. 15 9.4 Device Functional Modes........................................ 20 10 Application and Implementation........................ 21 10.1 Application Information.......................................... 21 10.2 Typical Applications ............................................. 21 11 Power Supply Recommendations ..................... 25 11.1 Power Supply Decoupling, CS ............................. 25 12 Layout................................................................... 25 12.1 Layout Guidelines ................................................. 25 12.2 Layout Example .................................................... 26 13 Device and Documentation Support ................. 27 13.1 Device Support .................................................... 27 13.2 Documentation Support ........................................ 27 13.3 Community Resources.......................................... 27 13.4 Trademarks ........................................................... 27 13.5 Electrostatic Discharge Caution ............................ 27 13.6 Glossary ................................................................ 27 14 Mechanical, Packaging, and Orderable Information ........................................................... 27
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision E (November 2015) to Revision F
Page
? Added Measurement note added to characterization graphs............................................................................................... 10 ? Added New Output Power vs Supply Voltage Characterization graph ................................................................................ 10 ? Added footnote for heatsink and EVM ................................................................................................................................. 14
Changes from Revision D (July 2012) to Revision E
Page
? Added Pin Configuration and Functions section, ESD Ratings table, Feature Description section, Device Functional Modes, Application and Implementation section, Power Supply Recommendations section, Layout section, Device and Documentation Support section, and Mechanical, Packaging, and Orderable Information section .............................. 1
Changes from Revision C (August 2010) to Revision D
Page
? Added < 10 V/ms to VI in the Absolute Maximum Ratings table, added Note 2 .................................................................... 5 ? Changed the PBTL Select section. Added text - "The voltage slew.......series with the terminals." .................................... 19 ? Added a 100k resistor to AVCC Pin 14 and Note 1 to Figure 46 ...................................................................................... 24
Changes from Revision B (July 2010) to Revision C
Page
? Replaced the Dissipations Ratings table with the Thermal Information table ........................................................................ 6
Changes from Revision A (July 2009) to Revision B
Page
? Added slew rate adjustment information .............................................................................................................................. 17 ? Added AVCC to Pin 7 of Figure 46 ...................................................................................................................................... 24
2
Submit Documentation Feedback
Product Folder Links: TPA3110D2
Copyright ? 2009?2017, Texas Instruments Incorporated
TPA3110D2
SLOS528F ? JULY 2009 ? REVISED APRIL 2017
Changes from Original (July 2009) to Revision A
Page
? Changed Changed the Stereo Class-D Amplifier with BTL Output and Single-Ended Input illustration Figure 42 Corrected the pin names. ..................................................................................................................................................... 21
? Changed Changed the Stereo Class-D Amplifier with PBTL Output and Single-Ended Input illustration Figure 46 Corrected the pin names. ..................................................................................................................................................... 24
Copyright ? 2009?2017, Texas Instruments Incorporated
Product Folder Links: TPA3110D2
Submit Documentation Feedback
3
TPA3110D2
SLOS528F ? JULY 2009 ? REVISED APRIL 2017
5 Device Comparison Table
DEVICE NUMBER TPA3110D2 TPA3130D1 TPA3118D2 TPA3116D1
SPEAKER CHANNELS
Stereo Stereo Stereo Stereo
SPEAKER AMP TYPE Class D Class D Class D Class D
OUTPUT POWER (W)
15 15 30 50
ADDITIONAL FEATURES Power limiter Power limiter Power limiter
6 Pin Configuration and F unctions
PWP Package 28-Pin HTSSOP With PowerPADTM
Top View
SD
1
FAULT
2
LINP
3
LINN
4
GAIN0
5
GAIN1
6
AVCC
7
AGND
8
GVDD
9
PLIMIT
10
RINN
11
RINP
12
NC
13
PBTL
14
28
PVCCL
27
PVCCL
26
BSPL
25
OUTPL
24
PGND
23
OUTNL
22
BSNL
21
BSNR
20
OUTNR
19
PGND
18
OUTPR
17
BSPR
16
PVCCR
15
PVCCR
Table 1. Pin Functions
PIN
TYPE
NO.
NAME
DESCRIPTION
1
SD
I
Shutdown logic input for audio amp (LOW = outputs Hi-Z, HIGH = outputs enabled). TTL logic levels with compliance to AVCC.
Open drain output used to display short circuit or dc detect fault status. Voltage compliant to AVCC.
2
FAULT
O Short circuit faults can be set to auto-recovery by connecting FAULT pin to SD pin. Otherwise, both
short circuit faults and dc detect faults must be reset by cycling PVCC.
3
LINP
I Positive audio input for left channel. Biased at 3 V.
4
LINN
I Negative audio input for left channel. Biased at 3 V.
5
GAIN0
I Gain select least significant bit. TTL logic levels with compliance to AVCC.
6
GAIN1
I Gain select most significant bit. TTL logic levels with compliance to AVCC.
7
AVCC
P Analog supply
8
AGND
-- Analog signal ground. Connect to the thermal pad.
9
GVDD
O
High-side FET gate drive supply. Nominal voltage is 7V. Also should be used as supply for PLIMIT function.
10
PLIMIT
I
Power limit level adjust. Connect a resistor divider from GVDD to GND to set power limit. Connect directly to GVDD for no power limit.
11
RINN
I Negative audio input for right channel. Biased at 3 V.
12
RINP
I Positive audio input for right channel. Biased at 3 V.
13
NC
-- Not connected
14
PBTL
I Parallel BTL mode switch
4
Submit Documentation Feedback
Product Folder Links: TPA3110D2
Copyright ? 2009?2017, Texas Instruments Incorporated
PIN
NO.
NAME
15
PVCCR
16
PVCCR
17
BSPR
18
OUTPR
19
PGND
20
OUTNR
21
BSNR
22
BSNL
23
OUTNL
24
PGND
25
OUTPL
26
BSPL
27
PVCCL
28
PVCCL
Table 1. Pin Functions (continued)
TPA3110D2
SLOS528F ? JULY 2009 ? REVISED APRIL 2017
TYPE
DESCRIPTION
P
Power supply for right channel H-bridge. Right channel and left channel power supply inputs are connect internally.
P
Power supply for right channel H-bridge. Right channel and left channel power supply inputs are connect internally.
I Bootstrap I/O for right channel, positive high-side FET.
O Class-D H-bridge positive output for right channel.
-- Power ground for the H-bridges.
O Class-D H-bridge negative output for right channel.
I Bootstrap I/O for right channel, negative high-side FET.
I Bootstrap I/O for left channel, negative high-side FET.
O Class-D H-bridge negative output for left channel.
-- Power ground for the H-bridges.
O Class-D H-bridge positive output for left channel.
I Bootstrap I/O for left channel, positive high-side FET.
P
Power supply for left channel H-bridge. Right channel and left channel power supply inputs are connect internally.
P
Power supply for left channel H-bridge. Right channel and left channel power supply inputs are connect internally.
7 Specifications
7.1 Absolute Maximum Ratings
over operating free-air temperature range (unless otherwise noted)(1)
MIN
MAX
UNIT
VCC
Supply voltage
AVCC, PVCC
SD, GAIN0, GAIN1, PBTL, FAULT (2)
VI
Interface pin voltage
PLIMIT
?0.3 V 30 V
V
?0.3 V
VCC + 0.3 V
V
< 10 V/ms
?0.3
GVDD + 0.3
V
RINN, RINP, LINN, LINP
?0.3
6.3
V
Continuous total power dissipation
See Thermal Information
BTL: PVCC > 15 V
4.8
RL
Minimum Load Resistance BTL: PVCC 15 V
3.2
PBTL
3.2
TA
Operating free-air temperature
TJ
Operating junction temperature range(3)
Tstg
Storage temperature
?40
85
?C
?40
150
?C
?65
150
?C
(1) Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, which do not imply functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2) The voltage slew rate of these pins must be restricted to no more than 10 V/ms. For higher slew rates, use a 100-k resister in series with the pins.
(3) The TPA3110D2 incorporates an exposed thermal pad on the underside of the chip. This acts as a heatsink, and it must be connected to a thermally dissipating plane for proper power dissipation. Failure to do so may result in the device going into thermal protection shutdown. See TI Technical Briefs SLMA002 for more information about using the TSSOP thermal pad.
Copyright ? 2009?2017, Texas Instruments Incorporated
Product Folder Links: TPA3110D2
Submit Documentation Feedback
5
TPA3110D2
SLOS528F ? JULY 2009 ? REVISED APRIL 2017
7.2 ESD Ratings
V(ESD) Electrostatic discharge
Human-body model (HBM), per ANSI/ESDA/JEDEC JS-001(1) Charged-device model (CDM), per JEDEC specification JESD22C101 (2)
VALUE ?2000
?500
(1) JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process. (2) JEDEC document JEP157 states that 250-V CDM allows safe manufacturing with a standard ESD control process.
UNIT V
7.3 Recommended Operating Conditions
over operating free-air temperature range (unless otherwise noted)
VCC Supply voltage
VIH High-level input voltage
VIL
Low-level input voltage
VOL Low-level output voltage
IIH
High-level input current
IIL
Low-level input current
TA
Operating free-air temperature
PVCC, AVCC SD, GAIN0, GAIN1, PBTL SD, GAIN0, GAIN1, PBTL FAULT, RPULL-UP= 100 k, VCC= 26 V SD, GAIN0, GAIN1, PBTL, VI = 2 V, VCC = 18 V SD, GAIN0, GAIN1, PBTL, VI = 0.8 V, VCC = 18 V
MIN MAX UNIT
8
26
V
2
V
0.8
V
0.8
V
50 ?A
5 ?A
?40
85 ?C
7.4 Thermal Information
THERMAL METRIC(1)
TPA3110D2 PWP (HTSSOP)
UNIT
28 PINS
RJA RJC(top) RJB JT JB RJC(bot)
Junction-to-ambient thermal resistance Junction-to-case (top) thermal resistance Junction-to-board thermal resistance Junction-to-top characterization parameter Junction-to-board characterization parameter Junction-to-case (bottom) thermal resistance
30.3
?C/W
33.5
?C/W
17.5
?C/W
0.9
?C/W
7.2
?C/W
0.9
?C/W
(1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application report, SPRA953.
7.5 DC Characteristics: 24 V
TA = 25?C, VCC = 24 V, RL = 8 (unless otherwise noted) PARAMETER
TEST CONDITIONS
| VOS |
Class-D output offset voltage (measured differentially)
VI = 0 V, Gain = 36 dB
ICC ICC(SD)
rDS(on)
Quiescent supply current Quiescent supply current in shutdown mode
Drain-source on-state resistance
SD = 2 V, no load, PVCC = 24 V
SD = 0.8 V, no load, PVCC = 24 V
VCC = 12 V, IO = 500 mA, TJ = 25?C
High Side Low side
G
Gain
GAIN1 = 0.8 V GAIN1 = 2 V
GAIN0 = 0.8 V GAIN0 = 2 V GAIN0 = 0.8 V GAIN0 = 2 V
ton tOFF GVDD tDCDET
Turn-on time Turn-off time Gate Drive Supply DC Detect time
SD = 2 V SD = 0.8 V IGVDD = 100 A V(RINN) = 6 V, VRINP = 0 V
MIN TYP MAX UNIT
1.5 15 mV
32 50 mA
250 400 ?A
240 m
240
19
20 21
dB
25
26 27
31
32 33
dB
35
36 37
14
ms
2
s
6.4 6.9 7.4 V
420
ms
6
Submit Documentation Feedback
Product Folder Links: TPA3110D2
Copyright ? 2009?2017, Texas Instruments Incorporated
TPA3110D2
SLOS528F ? JULY 2009 ? REVISED APRIL 2017
7.6 DC Characteristics: 12 V
TA = 25?C, VCC = 12 V, RL = 8 (unless otherwise noted) PARAMETER
TEST CONDITIONS
| VOS |
Class-D output offset voltage (measured differentially)
VI = 0 V, Gain = 36 dB
ICC ICC(SD)
rDS(on)
Quiescent supply current Quiescent supply current in shutdown mode
Drain-source on-state resistance
SD = 2 V, no load, PVCC = 12V
SD = 0.8 V, no load, PVCC = 12V
VCC = 12 V, IO = 500 mA, TJ = 25?C
High Side Low side
G
Gain
GAIN1 = 0.8 V GAIN1 = 2 V
GAIN0 = 0.8 V GAIN0 = 2 V GAIN0 = 0.8 V GAIN0 = 2 V
tON tOFF GVDD
VO
Turn-on time Turn-off time Gate Drive Supply Output Voltage maximum under PLIMIT control
SD = 2 V SD = 0.8 V IGVDD = 2 mA
V(PLIMIT) = 2 V; VI = 1 V rms
MIN TYP MAX UNIT
1.5 15 mV
20 35 mA
200
?A
240 m
240
19
20 21
dB
25
26 27
31
32 33
dB
35
36 37
14
ms
2
s
6.4 6.9 7.4 V
6.75 7.90 8.75 V
7.7 AC Characteristics: 24 V
TA = 25?C, VCC = 24 V, RL = 8 (unless otherwise noted)
PARAMETER
TEST CONDITIONS
KSVR Power Supply ripple rejection
200 mVPP ripple at 1 kHz, Gain = 20 dB, Inputs ac-coupled to AGND
PO
Continuous output power
THD+N Total harmonic distortion + noise
THD+N = 10%, f = 1 kHz, VCC = 16 V VCC = 16 V, f = 1 kHz, PO = 7.5 W (half-power)
Vn
Output integrated noise
20 Hz to 22 kHz, A-weighted filter, Gain = 20 dB
SNR fOSC
Crosstalk
Signal-to-noise ratio
Oscillator frequency Thermal trip point Thermal hysteresis
VO = 1 Vrms, Gain = 20 dB, f = 1 kHz
Maximum output at THD+N < 1%, f = 1 kHz, Gain = 20 dB, A-weighted
MIN TYP MAX UNIT
?70
dB
15
W
0.1%
65
?V
?80
dBV
?100
dB
102
dB
250 310 350 kHz
150
?C
15
?C
7.8 AC Characteristics: 12 V
TA = 25?C, VCC = 12 V, RL = 8 (unless otherwise noted)
PARAMETER
TEST CONDITIONS
KSVR Supply ripple rejection
200 mVPP ripple from 20 Hz?1 kHz, Gain = 20 dB, Inputs ac-coupled to AGND
PO
Continuous output power
THD+N Total harmonic distortion + noise
THD+N = 10%, f = 1 kHz; VCC = 13 V RL = 8 , f = 1 kHz, PO = 5 W (half-power)
Vn
Output integrated noise
20 Hz to 22 kHz, A-weighted filter, Gain = 20 dB
SNR fOSC
Crosstalk
Signal-to-noise ratio
Oscillator frequency Thermal trip point Thermal hysteresis
Po = 1 W, Gain = 20 dB, f = 1 kHz
Maximum output at THD+N < 1%, f = 1 kHz, Gain = 20 dB, A-weighted
MIN TYP MAX UNIT
?70
dB
10
W
0.06%
65
?V
?80
dBV
?100
dB
102
dB
250 310 350 kHz
150
?C
15
?C
Copyright ? 2009?2017, Texas Instruments Incorporated
Product Folder Links: TPA3110D2
Submit Documentation Feedback
7
TPA3110D2
SLOS528F ? JULY 2009 ? REVISED APRIL 2017
7.9 Typical Characteristics
All Measurements taken at 1 kHz, unless otherwise noted. Measurements were made using the TPA3110D2 EVM which is available at .
10 Gain = 20 dB VCC = 12 V ZL = 8 + 66 ?H
1
10 Gain = 20 dB VCC = 18 V ZL = 8+ 66 ?H
1
THD - Total Harmonic Distortion - %
THD - Total Harmonic Distortion - %
0.1 PO = 5 W
0.01
PO = 0.5 W
PO = 2.5 W
0.001
20
100
1k
10k 20k
f - Frequency - Hz
G001
Figure 1. Total Harmonic Distortion vs Frequency (BTL)
10
Gain = 20 dB VCC = 24 V ZL = 8 + 66 ?H
1
0.1 PO = 10 W
0.01
PO = 1 W
PO = 5 W
0.001
20
100
1k
10k 20k
f - Frequency - Hz
G002
Figure 2. Total Harmonic Distortion vs Frequency (BTL)
10
Gain = 20 dB VCC = 12 V ZL = 6 + 47 ?H
1
THD - Total Harmonic Distortion - %
THD - Total Harmonic Distortion - %
THD - Total Harmonic Distortion - %
0.1
PO = 10 W
0.01
PO = 1 W
PO = 5 W
0.001
20
100
1k
10k 20k
f - Frequency - Hz
G003
Figure 3. Total Harmonic Distortion vs Frequency (BTL)
10 Gain = 20 dB VCC = 18 V ZL = 6 + 47 ?H
1
PO = 10 W 0.1
0.01 PO = 1 W
PO = 5 W
0.001
20
100
1k
10k 20k
f - Frequency - Hz
G005
Figure 5. Total Harmonic Distortion vs Frequency (BTL)
THD - Total Harmonic Distortion - %
0.1 PO = 5 W
0.01
PO = 0.5 W
PO = 2.5 W
0.001
20
100
1k
10k 20k
f - Frequency - Hz
G004
Figure 4. Total Harmonic Distortion vs Frequency (BTL)
10
Gain = 20 dB VCC = 12 V ZL = 4 + 33 ?H
1
0.1
PO = 10 W
PO = 1 W 0.01
PO = 5 W
0.001
20
100
1k
10k 20k
f - Frequency - Hz
G006
Figure 6. Total Harmonic Distortion vs Frequency (BTL)
8
Submit Documentation Feedback
Product Folder Links: TPA3110D2
Copyright ? 2009?2017, Texas Instruments Incorporated
................
................
In order to avoid copyright disputes, this page is only a partial summary.
To fulfill the demand for quickly locating and searching documents.
It is intelligent file search solution for home and business.
Related download
Related searches
- free summer class for kids
- free online class platforms
- tsh w reflex to free t4
- free english class for adults
- car audio power distribution block
- free printable 3 d shapes
- free grammar class for adults
- class d office space
- class d water license test
- class d knowledge exam test
- class d knowledge test mn
- class d army accident amount