SLOSE32 April   2019 TAS6421-Q1

ADVANCE INFORMATION for pre-production products; subject to change without notice.  

  1. 1Features
  2. 2Applications
  3. 3Description
    1.     Functional Block Diagram
  4. 4Device and Documentation Support
    1. 4.1 Documentation Support
      1. 4.1.1 Related Documentation
    2. 4.2 Receiving Notification of Documentation Updates
    3. 4.3 Community Resources
    4. 4.4 Trademarks
    5. 4.5 Electrostatic Discharge Caution
    6. 4.6 Glossary

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

Features

  • AEC-Q100 Qualified for automotive applications
    • Temperature grade: –40°C to +125°C
  • 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
    • 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
    • Single-channel bridge-tied load (BTL)
    • 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
  • 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 with Host-independent operation
    • Output open and shorted load
    • Output-to-battery or ground shorts
    • Line output detection Up to 6 kΩ
  • Protection
    • Output current limiting and short protection
    • 40 V Load dump
    • Open ground and power tolerant
    • Overtemperature warning and shutdown
    • Undervoltage and overvoltage, DC Offset
  • General operation
    • 4.5 V to 26.4 V supply voltage
    • I2C control with 4 address options
    • Clip detection (latching or non-latching)