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TEXAS INSTRUMENTS  TPA3125D2N  Audio Power Amplifier, D, 2 Channel, 20 W, 10V to 26V, DIP, 20 Pins

TEXAS INSTRUMENTS TPA3125D2N
Technical Data Sheet (10.06KB) EN See all Technical Docs

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Product Overview

The TPA3125D2N is a 10W Stereo Class-D Audio Amplifier with SE outputs for driving stereo speakers in a single-ended configuration or a mono speaker in a bridge-tied-load configuration. The TPA3125D2 can drive stereo speakers as low as 4Ω. The efficiency of the TPA3125D2 eliminates the need for an external heat sink when playing music. The gain of the amplifier is controlled by two gain select pins. The gain selections are 20, 26, 32, 36dB. It operates in AD mode. There are two main configurations that may be used. For stereo operation, the TPA3125D2 should be configured in a single-ended (SE) half-bridge amplifier. For mono applications, TPA3125D2 may be used as a bridge-tied-load (BTL) amplifier. The traditional class-D modulation scheme, which is used in the TPA3125D2 BTL configuration, has a differential output where each output is 180 degrees out of phase and changes from ground to the supply voltage, VCC.
  • 10W/ch (stereo SE) into an 8Ω load from a 24V supply
  • 20W/ch (stereo SE) into an 8Ω load from a 24V supply
  • Operates from +24V LCD backlight supply
  • Efficient Class-D operation eliminates need for heat sinks
  • Four selectable, fixed gain settings
  • Single-ended analogue inputs
  • Thermal and short-circuit protection with auto recovery
  • Advanced power-off pop reduction
  • Green product and no Sb/Br
This device has limited built-in ESD protection, leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.

 

Product Information

Amplifier Class:
D
No. of Channels:
2 Channel
Output Power:
20W
Supply Voltage Range:
10V to 26V
Amplifier Case Style:
DIP
No. of Pins:
20Pins
Load Impedance:
8ohm
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Packaging:
Each
Product Range:
-
Automotive Qualifications Standard:
-
MSL:
-
SVHC:
No SVHC (15-Jun-2015)

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Applications

  • Consumer Electronics;
  • Multimedia;
  • Audio

Legislation and Environmental

Moisture Sensitivity Level:
-
Product Traceability
RoHS Compliant:
Yes
Authorized Distributor

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