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TDA7419
+BOMIC AUDIO SIGNAL PROCESSOR 28SO
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ManufacturerSTMicroelectronics
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Mfr. Part #TDA7419
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Datasheet TDA7419 DataSheet
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In Stock2651
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Specifications
| Attribute | Value |
| Part Status | Obsolete |
| Base Product Number | TDA7419 |
| Function | Audio Signal Processor |
| Applications | Audio |
| Number of Channels | 4 |
| Interface | I2C |
| Voltage - Supply | 8V ~ 10V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Grade | Automotive |
| Qualification | AEC-Q100 |
| Package | 28-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 28-SO |
| Packaging | Tube |
Overview
Description
Key specifications:
- 4 analog inputs (configurable for different sources).
- Built-in ADC/DAC for digital signal processing.
- Tone control (bass, midrange, treble).
- Volume, balance, and fader controls.
- Loudness compensation for low-volume listening.
- I²C serial interface for microcontroller communication.
The TDA7419 is ideal for automotive infotainment systems, offering flexible audio tuning with minimal external components. Its compact design and digital control simplify integration while maintaining high audio quality.
For detailed specs, refer to the official datasheet.
Pinout
- Pin Count: 28 pins (SO-28 package).
- Key Functions:
- Audio Processing: 4-channel input, bass/treble/midrange control, loudness, volume, balance, fader.
- I²C Interface: Digital control via I²C bus (SCL, SDA pins).
- Input/Output: Multiple analog inputs (IN1–IN4), outputs (front/rear/subwoofer), and a reference voltage pin (VREF).
- Power Supply: Typically operates at +8V (VCC).
It’s commonly used in car audio systems for signal conditioning and enhancement.
Application
1. Car Audio Systems – For equalization, filtering, and volume control in head units and amplifiers.
2. Home Audio Equipment – Enhances sound quality in receivers, soundbars, and multimedia systems.
3. Active Speaker Systems – Provides tone control and dynamic range adjustment.
4. Telematics & Infotainment – Used in advanced in-vehicle entertainment systems.
Its features (e.g., I²C control, bass/treble adjustment, and input mixing) make it versatile for high-quality audio processing.
Package
Frequently Asked Questions
Q: What is the primary function of the TDA7419?
A: It is an automotive-grade audio signal processor designed for 4-channel I2C-controlled audio systems, operating at 8V to 10V.
Q: Can the TDA7419 be used for new designs?
A: No, the part status is "Obsolete," making it unsuitable for new designs; it may only be suitable for legacy system replacements.
Q: What communication interface does this device support?
A: It supports the I2C bus interface for control and configuration by a host microcontroller.
Q: Is the TDA7419 qualified for automotive applications?
A: Yes, it carries an Automotive Grade and AEC-Q100 qualification, ensuring reliability in harsh environments.
Q: What is the operating temperature range of this component?
A: It operates over the industrial to automotive range of -40°C to +85°C (TA).
Q: What package type is the TDA7419 available in?
A: It comes in a 28-pin SOIC wide body (0.295", 7.50mm Width) surface-mount package, specifically 28-SO.
Q: What is the typical supply voltage requirement?
A: A stabilized power supply between 8V and 10V DC is required for proper operation.
