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TPA3128D2DAPRG4 Datasheet(PDF) 21 Page - Texas Instruments

Part # TPA3128D2DAPRG4
Description  TPA3128D2, TPA3129D2 2x30-W, 2x15-W Class-D Amplifier With Low Idle Power Dissipation
PDF  39 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

TPA3128D2DAPRG4 Datasheet(HTML) 21 Page - Texas Instruments

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TPA3128D2,
TPA3129D2
4.5 V–26 V
PSU
LC Filter
OUTPR
OUTNR
OUTPL
OUTNL
Right
Left
MONO
Detect
TPA3128D2
4.5 V–26 V
PSU
LC Filter
OUTPR
OUTNR
OUTPL
OUTNL
Right
Left
PBTL
Detect
21
TPA3128D2, TPA3129D2
www.ti.com
SLOS941C – MAY 2016 – REVISED JANUARY 2018
Product Folder Links: TPA3128D2 TPA3129D2
Submit Documentation Feedback
Copyright © 2016–2018, Texas Instruments Incorporated
Table 6. AM Frequencies (continued)
US
EUROPEAN
SWITCHING FREQUENCY (kHz)
AM2
AM1
AM0
AM FREQUENCY (kHz)
AM FREQUENCY (kHz)
1547-1700
1548-1701
600 (or 500)
0
1
0
0
0
1
7.4 Device Functional Modes
7.4.1 PBTL Mode
The TPA3128D2 can be connected in PBTL mode enabling up to 60W output power. This is done by:
•
Connect INPL and INNL directly to Ground (without capacitors) this sets the device in Mono mode during
power up.
•
Connect OUTPR and OUTNR together for the positive speaker terminal and OUTNL and OUTPL together for
the negative pin.
•
Analog input signal is applied to INPR and INNR.
Figure 34. PBTL Mode
7.4.2 Mono Mode (Single Channel Mode)
The and TPA3129D2 can be connected in MONO mode to cut the idle power-loss nearly by half. This is done by:
•
Connect INPR and INNR directly to Ground (without capacitors) this sets the device in Mono mode during
power up.
•
Connect OUTPL and OUTNL to speaker just like normal BTL mode.
•
Analog input signal is applied to INPL and INNL.
Figure 35. MONO Mode



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