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Details for TPA3112D1PWPR by Texas Instruments
Semiconductors - ICs > Amplifiers & Comparators > Audio Amplifiers
AUDIO PREAMPLIFIER CLASS D HTSSOP-28
TPA3112D1PWPR image

TPA3112D1PWPR by Texas Instruments

AUDIO PREAMPLIFIER CLASS D HTSSOP-28
Features
20-W into an 4-u2126 Load at 10% THD+N From a 12-V Supply
25-W into an 8-u2126 Load at < 0.1% THD+N From a 24-V Supply
94% Efficient Class-D Operation into 8-u2126 Load Eliminates Need for Heat Sinks
Differential Inputs
Excellent THD+N/ Pop Free Performance
Filter-Free Operation
Flow Through Pin Out Facilitates Easy Board Layout
Four Selectable, Fixed Gain Settings
Robust Pin-to-Pin Short Circuit Protection and Thermal Protection with Auto-Recovery Option
SpeakerGuardu2122 Speaker Protection Includes Adjustable Power Limiter plus DC Protection
Wide Supply Voltage Range Allows Operation from 8 to 26 V
Part Information
TPA3112D1PWPR image
RoHS Compliant
Description
The TPA3112D1 is a 25-W efficient, Class-D audio power amplifier for driving a bridge tied 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 4Ω. The high efficiency of the TPA3112D1, > 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. The short-circuit protection and thermal protection includes an autorecovery feature.
Specifications
Amplifier Class:
D
No. of Channels:
1 Channel
Output Power:
25W
Supply Voltage Range:
8V to 26V
Amplifier Case Style:
HTSSOP
No. of Pins:
28Pins
Load Impedance:
8ohm
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 3 - 168 hours
SVHC:
No SVHC (27-Jun-2018)
Alternate Descriptions
AUDIO PREAMPLIFIER, CLASS D, HTSSOP-28; Amplifier Class:D; No. of Channels:1 Channel; Output Power:25W; Supply Voltage Range:8V to 26V; Amplifier Case Style:HTSSOP; No. of Pins:28Pins; Load Impedance:8ohm; Product Range:-; MSL:- RoHS Compliant: Yes Newark Electronics
Audio Amp Speaker 1-CH Mono 25W Class-D 28-Pin HTSSOP EP T/R Avnet America
Audio Amp Speaker 1-CH Mono 25W Class-D 28-Pin HTSSOP EP T/R Avnet Europe