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TI TPA3111D1QPWPRQ1RoHS

Manufacturer
TI
MPN
TPA3111D1QPWPRQ1
LCSC Part #
C130045
Packaging
HTSSOP-28
Customer #
Key Attributes
10W Filterless Mono Class-D Audio Power Amplifier with Speakerguard
Datasheetpdf iconTI TPA3111D1QPWPRQ1
In-Stock: 2,150
2,150 In stock, ships now
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QtyUnit PriceTotal Amount
1+$ 1.4637$ 1.46
10+$ 1.1959$ 11.96
30+$ 1.0499$ 31.50
100+$ 0.8844$ 88.44
500+$ 0.8114$ 405.70
1,000+$ 0.7773$ 777.30
Standard Packaging2000/Full Reel
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Linear/Amplifiers/Audio Amplifiers
ManufacturerTI
PackagingHTSSOP-28
Quiescent Current40mA
Total Harmonic Distortion + Noise (THD+N)0.05%
Signal-to-Noise Ratio102dB
Number of Inputs1 Pair Differential Inputs
FeaturesFilterless architecture;Digitally programmable gain;Enable/shutdown function;ESD protection;Automatic mute/no-noise switch
Speaker Channels1-Channel
Voltage - Supply8V~26V
Operating Temperature-40℃~+125℃
Efficiency94%
Output Power10Wx1@8Ω
ClassClass D
Power Supply Rejection Ratio (PSRR)70dB
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging2000
Sales UnitPiece

Introduction

AI Translation

The TPA3111D1-Q1 device is a 10W high-efficiency Class-D audio power amplifier for driving bridge-tied load (BTL) speakers. Advanced EMI suppression technology enables users to use low-cost bead filters at the output while meeting EMC requirements. The SpeakerGuard protection circuitry includes an adjustable power limiter and a DC detection circuit. The adjustable power limiter allows users to set a virtual voltage rail below the chip's supply voltage to limit the amount of power through the speaker. The DC detection circuit can measure the frequency and amplitude of the PWM signal and will turn off the output stage if the input capacitor is damaged or there is a short circuit at the input. The TPA3111D1-Q1 can drive a single-channel speaker down to 4Ω. When playing music, the TPA3111D1-Q1 device's high efficiency of over 90% eliminates the need for an external heat sink. The output is fully protected against short circuits to GND, VCC, and output-to-output. Both short-circuit protection and thermal protection have automatic recovery features.

Features

AI Translation
  • Automotive electronics application certification with the following AEC-Q100 compliant results:
    • Device temperature grade 1: ambient operating temperature range of -40°C to 125°C
    • Device HBM ESD classification level H2
    • Device CDM ESD classification level C2
  • 10W into 8Ω load from a 12V supply (at 10% THD+N)
  • 7W into 4Ω load from an 8V supply (at 10% THD+N)
  • 94% efficient Class-D operation into 8Ω load eliminates the need for a heatsink
  • Wide supply voltage range allows operation from 8V to 26V
  • Filterless operation
  • SpeakerGuard speaker protection includes adjustable power limiter and DC protection
  • Pass-through external pins simplify PCB layout design

Applications

AI Translation
  • Automotive noise generation for HEV/EV
  • Automotive eCall systems
  • Automotive infotainment (head unit, instrument cluster, telematics, navigation)
  • Automotive connectivity gateway
  • Professional audio equipment (PA speakers, studio headphones, high-performance amplifiers, high-grade microphones)