TPA302DR Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
TPA302DR is a 2-channel stereo Class-AB audio amplifier by Texas Instruments delivering 0.3 W per channel for headphone and speaker outputs. Key specs: 20 kHz bandwidth, 1% harmonic distortion, 8-Pin SOIC package. In stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- TPA302DR Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.1000(MOQ 175)
- 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 TPA302DR?
- 2-channel stereo Class-AB amplifier delivering 0.3 W per channel for both headphone and speaker loads
- 20 kHz audio bandwidth with only 1% harmonic distortion ensuring clean reproduction across the full audible frequency range
- Compact 8-Pin SOIC package enabling space-efficient stereo audio output stages in portable consumer electronics
- RoHS-compliant and Pb-free design meeting modern environmental standards for consumer and industrial audio products
What is TPA302DR used for?
The TPA302DR is ideal for portable audio devices such as battery-powered Bluetooth speakers, MP3 players, and handheld gaming consoles where a compact stereo output stage with 0.3 W per channel is sufficient. Its 20 kHz bandwidth and low 1% THD also make it suitable for telephone handsets, intercom systems, and multimedia tablets requiring clear voice and music reproduction. The 8-Pin SOIC package and low component count simplify PCB layout and reduce total system cost in high-volume consumer designs.
What are the specifications of TPA302DR?
| Pbfree Code | Yes |
| 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 TPA302DR datasheet?
TPA302DR Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for TPA302DR?
Compatible alternatives and drop-in replacements for TPA302DR:
Frequently Asked Questions
What output power does TPA302DR deliver per channel and which speaker impedances is it designed to drive?
The TPA302DR delivers 0.3 W nominal output power per channel, making it suitable for driving 8-ohm or 32-ohm headphone loads and small 0.5 W speaker drivers found in portable electronics. The 2-channel stereo architecture means both left and right outputs operate simultaneously at this power level without requiring heat sinking, simplifying thermal management in compact handheld designs.
How does the TPA302DR's 1% harmonic distortion spec affect audio quality in voice communication devices?
At 1% THD across a 20 kHz bandwidth, the TPA302DR produces audio clean enough for voice communication applications such as desk phones, intercoms, and tablet speakerphones where intelligibility is the primary requirement. Distortion levels at this magnitude are typically inaudible at the 0.3 W power levels used in earpiece drivers, so call clarity is maintained without requiring premium Class-D amplifiers that add cost and design complexity.
What is the package footprint of TPA302DR and how does it compare to larger audio amplifier packages?
The TPA302DR uses an 8-Pin SOIC package measuring approximately 5 mm × 4 mm, which is significantly smaller than amplifier ICs in PDIP-8 or QFN-16 packages, saving board area in portable device layouts. Its surface-mount SOIC footprint is compatible with standard pick-and-place assembly, making it cost-effective at high production volumes where manual soldering of through-hole components would add labor cost.
When is TPA302DR a better choice than a Class-D amplifier for a battery-powered stereo audio product?
The TPA302DR is preferable to a Class-D amplifier when the bill-of-materials cost must be minimized and output power requirements are at or below 0.3 W per channel, since Class-AB designs at this power level avoid the external filter inductors and EMI shielding that Class-D switching amplifiers typically require. For audio outputs driving 32-ohm headphones from a 3 V to 5 V supply rail, the TPA302DR's simpler design results in a smaller total PCB footprint and lower system cost.
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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.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 175+ | $1.7100 | $299.25 |
| 500+ | $1.2300 | $615.00 |
| 1000+ | $1.1600 | $1160.00 |
| 10000+ | $1.1000 | $11000.00 |
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