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TPA3111D1-Q1 - 产品图解:
TPA3111D1-Q1-具有 SpeakerGuard? 的汽车类 10W 单声道 D 类音频功率放大器 (TPA3111)
TPA3111D1-Q1--中/高功率D类放大器-音频
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TI产品 - TPA3111D1-Q1介绍
TPA3111D1-Q1 - 具有 SpeakerGuard? 的汽车类 10W 单声道 D 类音频功率放大器 (TPA3111)

TPA3111D1-Q1是TI公司的一款无产品,TPA3111D1-Q1是具有 SpeakerGuard? 的汽车类 10W 单声道 D 类音频功率放大器 (TPA3111),本页介绍了TPA3111D1-Q1的产品说明、应用、特性等,并给出了与TPA3111D1-Q1相关的TI元器件型号供参考。

TPA3111D1-Q1 - 具有 SpeakerGuard? 的汽车类 10W 单声道 D 类音频功率放大器 (TPA3111) - 无 - 中/高功率D类放大器 - TI公司(Texas Instruments,德州仪器)

产品特性
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified with the Following Results:
    • Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature Range
    • Device HBM ESD Classification Level H2
    • Device CDM ESD Classification Level C2
  • 10-W into an 8-Ω Load at 10% THD+N from a 12-V Supply
  • 7-W into a 4-Ω Load at 10% THD+N from an 8-V Supply
  • 94% Efficient Class-D Operation into 8-Ω Load Eliminates Need for Heat Sinks
  • Wide Supply Voltage Range Allows Operation from 8 to 26 V
  • 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 and Pop Free Performance
  • Four Selectable Fixed Gain Settings
  • Differential Inputs
产品应用
  • Automotive Noise Generation for HEV/EV
  • Automotive Emergency Call (eCall) Systems
  • Automotive Infotainment Systems (Head Unit, Cluster, Telematics, Navigation)
  • Automotive Connectivity Gateway
  • Professional Audio Equipment (PA Speakers, Studio Headphones, Performance Amplifiers, Premium Microphones)
  • Aerospace and Aviation Audio Systems
产品说明

The TPA3111D1-Q1 is a 10-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 TPA3111D1-Q1 can drive a mono speaker as low as 4 Ω. The high efficiency of the TPA3111D1-Q1, > 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 auto-recovery feature.

产品器件信息
PART NUMBERPACKAGEBODY SIZE (NOM)
TPA3111D1-Q1HTSSOP (28)9.70 mm × 4.40 mm
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