TAS6422E-Q1

AKTIV

Klasse-D-Audioverstärker für Fahrzeuganwendungen mit 75 W, 2 MHz, 2 Kanälen, 4,5 V bis 26,4 V Digita

Produktdetails

Output power (W) 75 Power stage supply (max) (V) 26.4 Power stage supply (min) (V) 4.5 Speaker channels (max) Stereo 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) 75 Power stage supply (max) (V) 26.4 Power stage supply (min) (V) 4.5 Speaker channels (max) Stereo 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
    • 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 meets CISPR25-L5 EMC specifications
  • Audio inputs
    • 2 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
    • Two-channel bridge-tied load (BTL)
    • Single-channel parallel BTL (PBTL)
    • Up to 2.1 MHz output switching frequency
    • 45 W, 10% THD+N Into 2 Ω at 14.4 V BTL
    • 75 W, 10% THD+N Into 4 Ω at 25 V BTL
    • 150W, 10% THD+N Into 2 Ω at 25V 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 and short protection
    • 40 V Load dump
    • Open ground and power tolerant
    • DC offset
    • Over-temperature
    • Undervoltage and overvoltage
  • General Operation
    • 4.5 V to 18 V supply voltage
    • I2C Control with 4 address options
    • Latched & Non-Latched Clip Detect
    • Enhanced EMI Management
  • AEC-Q100 Qualified for automotive applications
    • 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 meets CISPR25-L5 EMC specifications
  • Audio inputs
    • 2 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
    • Two-channel bridge-tied load (BTL)
    • Single-channel parallel BTL (PBTL)
    • Up to 2.1 MHz output switching frequency
    • 45 W, 10% THD+N Into 2 Ω at 14.4 V BTL
    • 75 W, 10% THD+N Into 4 Ω at 25 V BTL
    • 150W, 10% THD+N Into 2 Ω at 25V 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 and short protection
    • 40 V Load dump
    • Open ground and power tolerant
    • DC offset
    • Over-temperature
    • Undervoltage and overvoltage
  • General Operation
    • 4.5 V to 18 V supply voltage
    • I2C Control with 4 address options
    • Latched & Non-Latched Clip Detect
    • Enhanced EMI Management

The TAS6422E-Q1 device is a two-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 devices adds EMI management features including spread-spectrum to assist in system level EMI challenges.

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 TAS6422E-Q1 Class-D audio amplifier is designed for use in automotive head units and external amplifier modules. For pin compatible one, two and four-channel devices see the the Device Options table.

The TAS6422E-Q1 device is a two-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 devices adds EMI management features including spread-spectrum to assist in system level EMI challenges.

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 TAS6422E-Q1 Class-D audio amplifier is designed for use in automotive head units and external amplifier modules. For pin compatible one, two and four-channel devices see the the Device Options table.

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Technische Dokumentation

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Top-Dokumentation Typ Titel Format-Optionen Datum
* Data sheet TAS6422E-Q1 45-W, 2-MHz Digital Input 2-Channel Automotive Class-D Audio Amplifi datasheet (Rev. A) 16 Nov 2020
Application note Using TI Audio Amplifiers in Automotive Seat Shaker Applications PDF | HTML 05 Jan 2026

Design und Entwicklung

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