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車用音訊放大器

TAS6424M-Q1

現行

車用 45W、2MHz、4 通道 4.5 至 18V 數位輸入 D 類音訊放大器，具有負載突降功能

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產品規格表

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TAS6424E-Q1 現行 汽車、75-W、2-MHz、四通道、4.5 至 26.4-V 數位輸入 D 類音訊放大器 Enhanced (unlatched clip detect and spread spectrum) amplifier

TAS6424M-Q1

現行
產品規格表 立即訂購

產品詳細資料

Output power (W) 45 Power stage supply (max) (V) 18 Power stage supply (min) (V) 4.5 Speaker channels (max) 4 Features thermal pad up Audio input type Digital Input Control interface I2C THD + N at 1 kHz (%) 0.02 Switching frequency (max) (Hz) 2100000 Output noise voltage (µV) 42 Sampling rate (max) (Hz) 96000 Rating Automotive Operating temperature range (°C) -40 to 125
Output power (W) 45 Power stage supply (max) (V) 18 Power stage supply (min) (V) 4.5 Speaker channels (max) 4 Features thermal pad up Audio input type Digital Input Control interface I2C THD + N at 1 kHz (%) 0.02 Switching frequency (max) (Hz) 2100000 Output noise voltage (µV) 42 Sampling rate (max) (Hz) 96000 Rating Automotive Operating temperature range (°C) -40 to 125
HSSOP (DKQ) 56 190.647 mm² 18.42 x 10.35
  • AEC-Q100 Qualified for Automotive Applications
    • Device Temperature Grade 1:
      –40°C to +125°C TA
  • Advanced Load Diagnostics
    • DC Diagnostics run without Input Clocks
    • AC Diagnostic for Tweeter Detection with Impedance and Phase Response
  • Easily meet CISPR25-L5 EMC Specification
  • Audio Inputs
    • 4 Channel I2S or 4/8-Channel TDM Input
    • Input Sample Rates: 44.1 kHz, 48 kHz, 96 kHz
    • Input Formats: 16-bit to 32-bit I2S, and TDM
  • Audio Outputs
    • Four-Channel Bridge-Tied Load (BTL)
    • Two-Channel Parallel BTL (PBTL)
    • Up to 2.1 MHz Output Switching Frequency
    • 27 W, 10% THD Into 4 Ω at 14.4 V BTL
    • 45 W, 10% THD Into 2 Ω at 14.4 V BTL
    • 80 W, 10% THD Into 2 Ω at 18 V PBTL
  • Audio Performance Into 4 Ω at 14.4 V BTL
    • THD+N < 0.02% at 1 W
    • 42 µVRMS Output Noise
    • –90 dB Crosstalk
  • Load Diagnostics
    • Output Open and Shorted Load
    • Output-to-Battery or Ground Shorts
    • Line Output Detection Up to 6 kΩ
    • Host-Independent Operation
  • Protection
    • Output Current Limiting
    • Output Short Protection
    • 40 V Load Dump
    • Open Ground and Power Tolerant
    • DC Offset
    • Overtemperature
    • Undervoltage and Overvoltage
  • General Operation
    • 4.5 V to 18 V Supply voltage
    • I2C Control With 4 Address Options
    • Clip Detection and Thermal Warning
  • AEC-Q100 Qualified for Automotive Applications
    • Device Temperature Grade 1:
      –40°C to +125°C TA
  • Advanced Load Diagnostics
    • DC Diagnostics run without Input Clocks
    • AC Diagnostic for Tweeter Detection with Impedance and Phase Response
  • Easily meet CISPR25-L5 EMC Specification
  • Audio Inputs
    • 4 Channel I2S or 4/8-Channel TDM Input
    • Input Sample Rates: 44.1 kHz, 48 kHz, 96 kHz
    • Input Formats: 16-bit to 32-bit I2S, and TDM
  • Audio Outputs
    • Four-Channel Bridge-Tied Load (BTL)
    • Two-Channel Parallel BTL (PBTL)
    • Up to 2.1 MHz Output Switching Frequency
    • 27 W, 10% THD Into 4 Ω at 14.4 V BTL
    • 45 W, 10% THD Into 2 Ω at 14.4 V BTL
    • 80 W, 10% THD Into 2 Ω at 18 V PBTL
  • Audio Performance Into 4 Ω at 14.4 V BTL
    • THD+N < 0.02% at 1 W
    • 42 µVRMS Output Noise
    • –90 dB Crosstalk
  • Load Diagnostics
    • Output Open and Shorted Load
    • Output-to-Battery or Ground Shorts
    • Line Output Detection Up to 6 kΩ
    • Host-Independent Operation
  • Protection
    • Output Current Limiting
    • Output Short Protection
    • 40 V Load Dump
    • Open Ground and Power Tolerant
    • DC Offset
    • Overtemperature
    • Undervoltage and Overvoltage
  • General Operation
    • 4.5 V to 18 V Supply voltage
    • I2C Control With 4 Address Options
    • Clip Detection and Thermal Warning

The TAS6424M-Q1 device is a four-channel digital-input Class-D audio amplifier that implements a 2.1 MHz PWM switching frequency enabling a cost-optimized solution in a very small PCB size, full operation down to 4.5 V for start/stop events, and exceptional sound quality with up to 40 kHz audio bandwidth.

The output switching frequency can be set either above the AM band, which eliminates AM-band interferences and reduces output filtering and cost, or below the AM band to optimize efficiency.

The device has a built-in load diagnostic function for detecting and diagnosing misconnected outputs as well as detection of AC-coupled tweeters to help to reduce test time during the manufacturing process.

The TAS6424M-Q1 Class-D audio amplifier is designed for use in automotive head units and external amplifier modules. The device provides four channels at 27 W into 4 Ω at 10% THD+N and 45 W into 2 Ω at 10% THD+N from a 14.4 V supply.

For pin compatible one, two and four-channel devices see the TAS6421-Q1, TAS6422-Q1, TAS6424L-Q1 and TAS6424-Q1.

The TAS6424M-Q1 device is a four-channel digital-input Class-D audio amplifier that implements a 2.1 MHz PWM switching frequency enabling a cost-optimized solution in a very small PCB size, full operation down to 4.5 V for start/stop events, and exceptional sound quality with up to 40 kHz audio bandwidth.

The output switching frequency can be set either above the AM band, which eliminates AM-band interferences and reduces output filtering and cost, or below the AM band to optimize efficiency.

The device has a built-in load diagnostic function for detecting and diagnosing misconnected outputs as well as detection of AC-coupled tweeters to help to reduce test time during the manufacturing process.

The TAS6424M-Q1 Class-D audio amplifier is designed for use in automotive head units and external amplifier modules. The device provides four channels at 27 W into 4 Ω at 10% THD+N and 45 W into 2 Ω at 10% THD+N from a 14.4 V supply.

For pin compatible one, two and four-channel devices see the TAS6421-Q1, TAS6422-Q1, TAS6424L-Q1 and TAS6424-Q1.
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* Data sheet TAS6424M-Q1 45-W,​​​ 2-MHz digital input 4-channel automotive class-D audio amplifier with load dump protection and I2C diagnostics datasheet PDF | HTML 2019年 1月 29日
Application brief Diagnostics and Protections in Automotive Audio Systems (Rev. A) 2019年 9月 24日

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