TDA7802SMTR

Overview

The TDA7802SMTR is a quad bridge audio amplifier from STMicroelectronics, designed for automotive applications. It integrates a full digital-to-analog converter and digital input for direct I2S or TDM connection. The device features high efficiency operation with an outstanding 115 dB signal-to-noise ratio and over 110 dB dynamic range. It supports flexible mode control via the I2C bus and includes comprehensive diagnostic capabilities. The component operates within a temperature range of -40°C to 105°C and is qualified under AEC-Q100 standards.

Feature Summary

• Integrates a full D/A converter achieving 115 dB S/N ratio and >110 dB dynamic range
• High efficiency SB-I operation optimized for uncorrelated music signals
• Full I2C bus control with selectable addresses and independent channel mute/play
• Comprehensive digital diagnostics including DC and AC load detection

Applications

• Automotive audio systems
• Car infotainment amplifiers
• Start-stop compatible vehicle power architectures

Procurement Notes

Verify component status as the TDA7802 series is listed as obsolete in public records. Confirm availability through authorized distributors for cut tape or reel options. Ensure compliance with RoHS3 specifications and check for any product change notices regarding packaging or material updates before finalizing procurement plans.

Selection Notes

Select this model for applications requiring integrated digital conversion and high-efficiency amplification in automotive environments. The PowerSO36 package variant offers 1 Ohm driving capability, whereas other packages may differ. Ensure system design accommodates the I2C interface requirements and start-stop voltage profiles down to 6 V.

Part Context

This component belongs to the TDA7802 family of digital intelligent power amplifiers. It shares architectural similarities with related models like the TDA7801 and TDA7803A, which also feature integrated DACs and I2S inputs. The SMTR suffix indicates the specific surface-mount Tape & Reel packaging configuration for automated assembly.

Replacement Considerations

Public documentation lists the TDA7802/TSL002-ZST as obsolete. No specific verified substitute part numbers are provided in the source material. Engineers should consult official replacement guides or contact the manufacturer directly for validated alternatives.