TDA7419 STMicroelectronics Integrated Circuit (Small Outline Packages) In Stock
STMicroelectronics TDA7419 is a 4-channel audio processor IC featuring 3-band tone control, 90 dB channel separation, and I2C bus control in a 28-pin SOIC package. It handles bass, mid, and treble equalization with flexible input selection for consumer audio systems. Available from global distributors with worldwide shipping.
- Manufacturer
- STMicroelectronics
- Package
- Small Outline Packages
- Pin Count
- 28
- Lifecycle
- OBSOLETE
- Datasheet
- TDA7419 Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.7300(MOQ 55)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 90 dB channel separation delivering clean, high-fidelity audio signal processing across 4 channels
- 3-band tone control (bass, mid, treble) with programmable equalization via I2C bus interface
- 4-channel input multiplexer enabling flexible source selection for multi-input audio systems
- 28-pin SOIC package with plastic/epoxy body supporting standard SMT assembly processes
Applications
The TDA7419 is designed for consumer audio amplifier systems such as car stereos, home theater receivers, and multi-room audio processors requiring flexible tone control and input switching. Its I2C programmability enables microcontroller-driven volume, bass, mid, and treble adjustments in 2-channel or 4-channel configurations. The 90 dB channel separation makes it a strong choice for high-fidelity preamplifier stages where crosstalk must be minimized.
Specifications
| YTEOL | 0 |
| Channel Separation | 90dB |
| Consumer IC Type | TONE CONTROL CIRCUIT |
| JESD-30 Code | R-PDSO-G28 |
| JESD-609 Code | e4 |
| Number of Bands | 3 |
| Number of Channels | 2 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP28,.4 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 250 |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 10V |
| Supply Voltage-Min (Vsup) | 8V |
| Surface Mount | YES |
| Technology | BICMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Malaysia |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for TDA7419:
STMicroelectronics Tone Control Circuit, 2 Channel(s), BICMOS, PDSO28
Frequently Asked Questions
How many audio channels does the TDA7419 support, and what is its channel separation specification?
The TDA7419 supports 4 input channels and provides 90 dB of channel separation, ensuring minimal crosstalk between audio signals. This level of isolation is critical for high-fidelity consumer audio designs such as car radios and home amplifiers where signal purity matters.
What tone control capabilities does the TDA7419 provide for audio equalization?
The TDA7419 provides 3-band tone control covering bass, mid, and treble frequency bands, programmable over an I2C 2-wire serial bus. This allows a microcontroller to dynamically adjust equalization settings without mechanical potentiometers, simplifying the design of digital audio processors operating from a 5 V to 9 V supply.
For which audio applications is TDA7419 a preferred choice over a discrete preamplifier stage?
The TDA7419 is preferred in car audio head units, portable speaker systems, and home stereo receivers where integrating input multiplexing, tone control, and volume control into a single 28-pin SOIC IC reduces BOM cost and PCB area compared to discrete solutions. Its 90 dB channel separation and I2C control replace multiple analog components in 2-channel or 4-channel audio paths.
In what package does the TDA7419 come, and how does that affect assembly compatibility?
The TDA7419 is housed in a 28-pin SOIC package with 0.4-inch body width and plastic/epoxy construction, compatible with standard SMT reflow soldering. This package footprint is widely supported by PCB assembly lines, making it straightforward to integrate into cost-sensitive, high-volume consumer electronics production runs.
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About STMicroelectronics
STMicroelectronics is a global semiconductor leader serving customers across the spectrum of electronics applications. ST's products are found in a wide range of applications including automotive, industrial, personal electronics, and communications.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 55+ | $3.6695 | $201.82 |
| 71+ | $3.5472 | $251.85 |
| 95+ | $3.1803 | $302.13 |
| 250+ | $3.0500 | $762.50 |
| 500+ | $2.7300 | $1365.00 |
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