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Product Detailed Parameters
- Mfr：STMicroelectronics
- Description：DISCRETE
- Package：Bulk
- Series：-
- Function：Audio ADC/Amplifier
- Applications：Audio
- Number of Channels：4
- Interface：I2C, I2S, TDM
- Voltage - Supply：6V ~ 18.5V
- Operating Temperature：-40°C ~ 105°C (TA)
- Specifications：115dB
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Grade：Automotive
- Qualification：-
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Overview
The TDA7803C-ZSX is a four-channel audio ADC and amplifier manufactured by STMicroelectronics, designed for automotive applications. It operates within a supply voltage range of 6V to 18.5V and supports I2C, I2S, and TDM interfaces. The device achieves a specification of 115dB, indicating high signal-to-noise performance. It is qualified for the automotive grade and functions reliably across an operating temperature range of -40°C to 105°C (TA). The component is supplied in bulk packaging.
Feature Summary
- Four-channel architecture with integrated audio ADC and amplifier functionality
- Supports digital interfaces including I2C, I2S, and TDM
- Automotive grade qualification with wide operating temperature range (-40°C to 105°C)
- Supply voltage compatibility from 6V to 18.5V
Applications
- Automotive audio systems
- Digital audio processing units
- Vehicle infotainment amplifiers
Procurement Notes
Verify the package type and supplier device package details as these fields are unspecified in the provided data. Confirm the specific suffix meaning if functional differentiation exists compared to other variants in the series. Ensure the automotive grade qualification aligns with project requirements before procurement.
Selection Notes
Select this component when a four-channel digital input amplifier is required for automotive environments. The 6V to 18.5V supply range supports standard vehicle electrical systems. Verify interface compatibility with the host controller's I2S or TDM configuration. Check thermal management needs given the 105°C maximum junction temperature rating.
Part Context
This part belongs to the STMicroelectronics audio IC portfolio, specifically categorized under Audio Special Purpose integrated circuits. It serves as a bridge between digital audio sources and analog speaker loads in vehicle architectures.
Replacement Considerations
Cross-reference with other TDA7803 variants such as TDA7803A-ZSX for package differences. Verify pinout and software compatibility if substituting within the same family.
