TPA3112D1PWP - TI

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

Part No

TPA3112D1PWP
Manufacturer

TI
ChipWorker Part#

CW4645666
Category

Audio Amplifier IC
Package

HTSSOP-28
Description

Audio Power Amplifier, D, 1Channel, 25W, 8V to 26V, HTSSOP, 28Pins
Documentation

Datasheet

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TPA3112D1PWP Specifications

Attribute	Attribute Value

Part Number	TPA3112D1PWP
Manufacturer	TI
ChipWorker Part#	CW4645666
Category	Audio Amplifier IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	28 Pin
Case/Package	HTSSOP-28
Number of Channels	1 Channel
Number of Positions	28 Position
Power Dissipation	4.98 W
Output Power	25 W
Output Current (Max)	500 mA
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	8V ~ 26V
Supply Voltage (Max)	30 V
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Size-Length	9.8 mm
Size-Width	4.5 mm
Size-Height	1.05 mm
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
ECCN Code	EAR99

Product Description

The TPA3112D1PWP is a 25W Mono Filter-free Class-D Audio Power Amplifier with SpeakerGuard™ for driving bridged-tied stereo speaker. Advanced EMI suppression technology enables the use of inexpensive ferrite bead filters at the outputs while meeting EMC requirements. SpeakerGuard™ speaker protection system includes an adjustable power limiter and a DC detection circuit. The adjustable power limiter allows the user to set a "virtual" voltage rail lower than the chip supply to limit the amount of current through the speaker. The DC detect circuit measures the frequency and amplitude of the PWM signal and shuts off the output stage if the input capacitors are damaged or shorts exist on the inputs. The TPA3112D1 can drive a mono speaker as low as 4R. The high efficiency >90% eliminates the need for an external heat sink when playing music. The outputs are fully protected against shorts to GND, VCC and output-to-output.
25W into an 8R load at <0.1% THD+N from a 24V supply
20W into 4R load at 10% THD+N from a 12V supply
94% Efficient class-D operation eliminates need for heat sinks
Filter-free operation
SpeakerGuard™ speaker protection includes adjustable power limiter plus DC protection
Flow through pin out facilitates easy board layout
Robust pin-to-pin short-circuit protection and thermal protection with auto recovery option
Excellent THD+N/pop-free performance
Four selectable, fixed gain settings
Differential inputs
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.

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