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TPA4861DR - TI
Manufacturer:
TI
ManyChip's Part#:
MC13405146
Category:
Audio Amplifier IC
Package:
SOIC-8
Datasheet:
Datasheet 3D Model
Description:
TEXAS INSTRUMENTS TPA4861DR Audio Power Amplifier, AB, 1Channel, 1W, 2.7V to 5.5V, SOIC, 8Pins
Stock Locations:
Availability:
275 pcs In Stock
MOQ:
1 pcs
Unit Price:
$ 2.02

Updated at 17/06/2025 10:30:15(UTC+8)

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Description

DESCRIPTION
The TPA4861 is a bridge-tied load (BTL) audio power amplifier capable of delivering 1 W of continuous average power into an 8-Ω load at 0.2% THD+N from a 5-V power supply in voiceband frequencies (f < 5 kHz). 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. The amplifier is available in an 8-pin SOIC surface-mount package that reduces board space and facilitates automated assembly.
FEATURES
• 1-W BTL Output (5 V, 0.11 % THD+N)
• 3.3-V and 5-V Operation
• No Output Coupling Capacitors Required
• Shutdown Control (IDD= 0.6 µA)
• Uncompensated Gains of 2 to 20 (BTL Mode)
• Surface-Mount Packaging
• Thermal and Short-Circuit Protection
• High Supply Ripple Rejection Ratio (56 dB at 1 kHz)
• LM4861 Drop-In Compatible

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TPA4861DR 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
Number of Circuits	1 Circuit
Number of Channels	1 Channel
Number of Positions	8 Position
Power Dissipation	0.725 W
Quiescent Current	3.50 mA
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
	Show
Operating Temperature	-40℃ ~ 85℃ (TA)
Product Lifecycle Status	Active
Packaging	Cut Tape (CT)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance Edition	2015/06/15
ECCN Code	EAR99

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