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TAS6424MQDKQRQ1

45-W, 2.1-MHz Digital input 4-channel automotive class-D audio amplifier

Availability: 294

Packaging

Package | PIN: HSSOP (DKQ) | 56
Temp: Q (-40 to 125)
Carrier: Cut Tape
Qty Price
1-9 $10.66
10-24 $9.59
25-99 $8.95
100-249 $8.03
250-499 $7.49
500-749 $6.52
750-999 $5.65
1000+ $5.53

Features

  • 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 andPhase Response
  • Easily meet CISPR25-L5 EMC Specification
  • Audio Inputs
    • 4 ChannelI2S or 4/8-Channel TDM Input
    • Input Sample Rates:44.1 kHz, 48 kHz, 96 kHz
    • Input Formats: 16-bit to 32-bitI2S, and TDM
  • Audio Outputs
    • Four-Channel Bridge-Tied Load (BTL)
    • Two-Channel Parallel BTL (PBTL)
    • Up to 2.1 MHz OutputSwitching Frequency
    • 27 W, 10% THD Into 4 Ω at 14.4 VBTL
    • 45 W, 10% THD Into 2 Ω at 14.4VBTL
    • 80 W, 10% THD Into 2 Ω at 18 VPBTL
  • Audio Performance Into 4 Ω at 14.4 V BTL
    • THD+N < 0.02% at 1 W
    • 42µVRMS Output Noise
    • –90 dB Crosstalk
  • Load Diagnostics
    • Output Openand Shorted Load
    • Output-to-Battery or Ground Shorts
    • LineOutput Detection Up to 6 kΩ
    • Host-IndependentOperation
  • Protection
    • Output Current Limiting
    • Output ShortProtection
    • 40 V Load Dump
    • Open Ground and Power Tolerant
    • DCOffset
    • Overtemperature
    • Undervoltage andOvervoltage
  • General Operation
    • 4.5 V to 18 V Supply voltage
    • I2C Control With 4 AddressOptions
    • Clip Detection and Thermal Warning

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Texas Instruments  TAS6424MQDKQRQ1

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

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

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

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

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