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Updated at 01/11/2025 10:30:15(UTC+8)

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Description

The TPA4861D is a bridge-tied load (BTL) Audio power Amplifier capable of delivering 1W of continuous average power into a 8R load at 0.2% THD+N from a 5V power supply in voiceband frequencies (f<5kHz). A BTL configuration eliminates the need for external coupling capacitors on the output in most applications. Gain is externally configured by means of two resistors and does not require compensation for settings of 2 to 20. Features of the amplifier are a shutdown function for power-sensitive applications as well as internal thermal and short-circuit protection. The TPA4861 works seamlessly with TI"s TPA4860 in stereo applications.
No output coupling capacitors required
Shutdown control (IDD=0.6µA)
Uncompensated gains of 2 to 20 (BTL mode)
Thermal and short-circuit protection
1W BTL output (5V, 0.11% THD+N)
3.3 and 5V Operation voltage
75dB PSRR
Green product and no Sb/Br

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TPA4861D Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Surface Mount
Number of Pins	8 Pin
Case/Package	SOIC-8
Supply Voltage (DC)	5.50 V
Power Rating	1 W
Number of Channels	1 Channel
Power Dissipation	725 mW
Quiescent Current	3.50 mA
Bandwidth	1.5 MHz
Gain Bandwidth Product	1.5 MHz
Output Power	1 W
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Power Dissipation (Max)	725 mW
Supply Voltage	2.7V ~ 5.5V
Supply Voltage (Max)	5.5 V
Supply Voltage (Min)	2.7 V
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Size-Length	4.9 mm
Size-Width	3.91 mm
Size-Height	1.58 mm
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2014/12/17
ECCN Code	EAR99

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