TPA2051D3YFFR - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

TPA2051D3YFFR
Manufacturer

TI
ChipWorker Part#

CW49433393
Category

Audio Amplifier IC
Package

DSBGA-25
Description

Amplifier IC 1Channel (Mono) with Stereo Headphones Class D 2.9W x 1 @ 4Ω; 25mW x 2 @ 16Ω 25-DSBGA
Documentation

Datasheet

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TPA2051D3YFFR Specifications

Attribute	Attribute Value

Part Number	TPA2051D3YFFR
Manufacturer	TI
ChipWorker Part#	CW49433393
Category	Audio Amplifier IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	25 Pin
Case/Package	DSBGA-25
Supply Current	8.5 mA
Power Dissipation	845 mW
Output Power	25 W
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Power Dissipation (Max)	845 mW
Supply Voltage	2.5V ~ 5.5V
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Size-Length	2 mm
Size-Width	2 mm
Size-Height	0.43 mm
Operating Temperature	-40℃ ~ 85℃ (TA)
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
ECCN Code	EAR99

Product Description

The TPA2051D3 is an audio subsystem with a mono Class-D power amplifier, a stereo DirectPath headphone amplifier, and bypass switches. The DirectPath headphone amplifier eliminates the need for external dc-blocking output capacitors. The built-in charge pump creates a negative supply voltage for the headphone amplifier, allowing a 0 V dc bias at the output. The DirectPath headphone amplifier drives 25 mW into 16 speakers from a 4.2 V supply.
The subsystem includes three inputs: A differential mono input and two stereo single-ended (SE) inputs. The stereo inputs are also configurable as differential mono inputs. Each input channel has an independent volume control. Seven operating modes provide input-to-output combinations and shutdown control. Operating mode and volume levels are controlled over a 1.8 V compatible I2C interface.
The TPA2051D3 uses SpeakerGuardTM technology to prevent output clipping distortion and excessive power to the speaker and headphones.
The Class-D amplifier includes a bypass mode. This allows the baseband IC (BB) to directly drive the 8 speaker. This is useful for dual-mode speaker phones in voiceonly mode.
The Class-D amplifier uses 4.9 mA and the DirectPath amplifier uses 4.1 mA of typical quiescent current. Total supply current reduces to less than 1 µA in shutdown.
The TPA2051D3 is available in a 25-bump 2,16 mm × 2,11 mm, 0,4 mm pitch WCSP with less than 0.8 mm height.

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