TPA302DG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
Texas Instruments TPA302 is a 0.3 W stereo audio amplifier IC with 2 channels and 20 kHz bandwidth in a compact SOIC-8 package. Key specs include 1% harmonic distortion and a plastic SOIC footprint. Available from stock worldwide with fast shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- TPA302DG4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of TPA302DG4?
- 0.3 W per channel stereo output optimized for low-power portable audio playback
- 20 kHz nominal bandwidth ensuring full audio spectrum reproduction with minimal roll-off
- Dual-channel architecture in a compact SOIC-8 package reducing BOM count for stereo designs
- 1% THD delivering clean audio performance suitable for consumer multimedia products
- e4 JEDEC packaging compliance supporting RoHS-compliant and environmentally responsible builds
What is TPA302DG4 used for?
The TPA302DG4 is designed for portable consumer electronics such as handheld radios, tablet speakers, and battery-powered multimedia devices that require stereo amplification within a 0.3 W per channel power envelope. Its 20 kHz bandwidth and low harmonic distortion make it suitable for headphone driver stages and small speaker systems in compact IoT devices. The SOIC-8 form factor simplifies board layout in space-constrained audio accessory and smart home applications.
What are the specifications of TPA302DG4?
| YTEOL | 0 |
| Bandwidth-Nom | 20kHz |
| Consumer IC Type | AUDIO AMPLIFIER |
| Harmonic Distortion | 1% |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e4 |
| Number of Channels | 2 |
| Number of Functions | 1 |
| Output Power-Nom | 0.3W |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max | 10mA |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 2.7V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| 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 1 |
| ECCN | EAR99 |
| HTS Code | 8542.33.00.01 |
Where can I find the TPA302DG4 datasheet?
TPA302DG4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for TPA302DG4?
Compatible alternatives and drop-in replacements for TPA302DG4:
Frequently Asked Questions
How much output power does the TPA302DG4 deliver per channel and what speaker impedance is it optimized for?
The TPA302DG4 delivers 0.3 W nominal output power per channel across its 2 stereo channels, typically into an 8-ohm speaker load. This power level is well-suited for small portable speakers, tablet audio, and handheld radio earpiece drivers where board space and battery life are primary constraints.
What is the audio bandwidth of the TPA302DG4 and how does it affect music playback quality?
The TPA302DG4 has a nominal bandwidth of 20 kHz, covering the full human audible frequency range from approximately 20 Hz to 20 kHz. This ensures voices, instruments, and high-frequency audio content are reproduced without audible roll-off, making the device suitable for consumer-grade music playback applications.
In which portable audio designs is the TPA302DG4 a practical alternative to discrete transistor amplifier stages?
The TPA302DG4 replaces discrete stereo amplifier stages in battery-powered radios, MP3 players, and e-reader audio outputs by integrating 2 channels of 0.3 W amplification with 1% THD into a single SOIC-8 package. The integration reduces component count by at least 6-8 passive parts, shrinks PCB area, and simplifies EMI management in compact portable designs.
What are the physical dimensions and pin pitch of the SOIC-8 package used by the TPA302DG4?
The SOIC-8 package has a body width of approximately 3.9 mm, body length of about 4.9 mm, and a pin pitch of 1.27 mm across its 8 leads. This footprint is compatible with standard SOIC-8 land patterns, allowing direct use with most PCB layout tools without custom pad definitions.
How does the 1% harmonic distortion specification of the TPA302DG4 compare to premium audio amplifiers for consumer applications?
At 1% total harmonic distortion, the TPA302DG4 meets typical consumer-grade audio quality requirements for portable speakers and alarm tones where audiophile fidelity is not needed. Designs requiring less than 0.1% THD, such as high-fidelity headphone amplifiers running at 100 mW or above, would benefit from a higher-performance amplifier IC instead.
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Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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