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TDA7309D013TR is listed in the Audio Special Purpose range at ChipApex. The manufacturer field lists STMicroelectronics. Its product description is IC AUDIO SIGNAL PROCESSOR 20SO. Review the specifications below when checking this part for your BOM.
Audio Special Purpose specifications for TDA7309D013TR
- Mfr：STMicroelectronics
- Description：IC AUDIO SIGNAL PROCESSOR 20SO
- Package：Tape & Reel (TR),Cut Tape (CT)
- Series：-
- Function：Audio Signal Processor
- Applications：Audio Systems
- Number of Channels：2
- Interface：I2C
- Voltage - Supply：6V ~ 10V
- Operating Temperature：-40°C ~ 85°C (TA)
- Specifications：1dB
- Mounting Type：Surface Mount
- Package / Case：20-SOIC (0.295", 7.50mm Width)
- Supplier Device Package：20-SO
- Grade：-
- Qualification：-
Audio Special Purpose datasheet and documents for TDA7309D013TR
Audio Special Purpose Overview
The TDA7309D013TR is a digital controlled stereo audio processor manufactured by STMicroelectronics, packaged in a 20-SOIC (SO20) Tape & Reel format. It provides independent left and right volume control with 1dB step resolution, an input multiplexer for three stereo inputs, and programmable loudness and soft mute functions via a serial I2C bus interface. The device operates on a supply voltage of 6V to 10V, drawing a typical supply current of 7mA to 10mA. Key electrical characteristics include a signal-to-noise ratio of up to 106dB, total harmonic distortion of 0.01%, and channel separation of 100dB at 1kHz.
Audio Special Purpose Feature Summary
- Independent left and right volume control with 1dB step resolution
- Input multiplexer supporting three stereo inputs
- Programmable loudness function and soft mute capability
- Serial I2C bus microprocessor interface for all controls
Audio Special Purpose Applications
- Quality audio applications requiring stereo processing
- Audio systems utilizing I2C-based microprocessor control
Audio Special Purpose Procurement Notes
Verify the package type is 20-SOIC and the reel configuration matches Tape & Reel (TR). Confirm the operating temperature range requirements align with -40°C to +85°C. Ensure the design supports the specified 6V to 10V supply voltage and I2C communication protocol.
Audio Special Purpose Selection Notes
Select this component for designs requiring precise stereo volume balancing and external loudness control. The I2C interface allows for flexible software-defined audio routing and attenuation settings. Verify that the load resistance meets the minimum 2kΩ requirement for optimal output performance.
Audio Special Purpose Part Context
The TDA7309D013TR belongs to the TDA7309 series of audio processors. The 'D' suffix indicates the SO20 surface-mount package, while '013TR' specifies the tape and reel packaging variant. This part is distinct from the DIP20 version and other variants within the same functional family.
Audio Special Purpose Replacement Considerations
The TDA7309D is the standard SO20 package equivalent. Other versions in the series include the TDA7309 in a DIP20 package. No direct cross-model substitutes are listed in the provided documentation.
Audio Special Purpose FAQ
What is the maximum clock frequency for the I2C interface?
The maximum SCL clock frequency is 400 kHz.
How many stereo inputs does the TDA7309 support?
The device features an input multiplexer that supports three stereo inputs.
What is the typical signal-to-noise ratio?
The signal-to-noise ratio is typically 106 dB when all gains are set to 0dB and the output voltage is 1Vrms.
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