TPA311DR Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
TPA311DR is a single-channel audio amplifier IC from Texas Instruments, delivering 0.35W output power with 0.5% THD and 10kHz bandwidth. From $0.5446, in stock worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- TPA311DR Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.5446(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Single-channel class AB audio amplifier with 0.35W output power
- Ultra-low total harmonic distortion of 0.5% for clean audio reproduction
- 10kHz bandwidth suitable for voice and audio applications
- Compact SOIC-8 (R-PDSO-G8) package for space-constrained designs
- RoHS compliant (Pb-free) for environmental compliance
Applications
The TPA311DR is ideal for portable consumer electronics such as battery-powered speakers, handheld devices, and personal audio players requiring compact mono amplification. It is well-suited for voice output systems, intercom units, and multimedia toys where low distortion and small form factor are critical. The single-channel design also makes it a cost-effective choice for alarm systems and notification devices demanding reliable audio output.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Bandwidth-Nom | 10kHz |
| Consumer IC Type | AUDIO AMPLIFIER |
| Harmonic Distortion | 0.5% |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e4 |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Output Power-Nom | 0.35W |
| 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 | 1.5mA |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 2.5V |
| Surface Mount | YES |
| Technology | CMOS |
| 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 1 |
| ECCN | EAR99 |
| HTS Code | 8542.33.00.01 |
| Country of Origin | Taiwan |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for TPA311DR:
Frequently Asked Questions
What is the output power of the TPA311DR?
The TPA311DR delivers a nominal output power of 0.35W into a standard load, making it suitable for small speaker applications in portable and consumer electronics with a total harmonic distortion of only 0.5%.
What package does the TPA311DR come in?
The TPA311DR is available in an 8-pin Small Outline IC (SOIC-8) package, designated as R-PDSO-G8. This compact surface-mount package is ideal for PCB designs where board space is limited.
What are typical applications for the TPA311DR?
The TPA311DR is commonly used in portable audio devices, handheld multimedia players, intercom systems, alarm notifications, and consumer gadgets requiring a single-channel mono audio amplifier with low distortion output.
Is the TPA311DR RoHS compliant?
Yes, the TPA311DR is Pb-free and RoHS compliant (JESD-609 Code: e4), making it suitable for environmentally conscious product designs and compliant with international hazardous substance regulations.
Related Guides
TPS61291DRVR Selection Guide: Low-Quiescent-Current Boost Converters for IoT and Wearables
How to select the TPS61291DRVR and low-Iq boost converters for IoT, wearables, and coin-cell designs. Compares specs, packages, and alternatives from TI, ADI, and Microchip.
May 13, 2026
TMS5704357BZWTQQ1 Selection Guide: Choosing the Right TMS570 Automotive MCU Variant
Compare TMS570 automotive MCU variants by ASIL level, flash, package, and peripherals. Find the right fit from entry-level LQFP to the ASIL-D TMS5704357BZWTQQ1.
May 13, 2026
TI Hercules TMS5704357BZWTQQ1 Design Guide for Automotive ASIL-D and Industrial Functional Safety
Complete integration guide for the TI Hercules TMS5704357BZWTQQ1 dual-core lockstep Cortex-R5F MCU: lockstep CPU, ECC RAM, FlexRay/CAN-FD, and ASIL-D pitfalls.
May 12, 2026
PTN78000WAH Selection Guide: Choosing the Right 1.5 A 36 V Step-Down Power Module
Compare PTN78000WAH against PTN78000WAS, PTN78060WAH, and other 1.5A 36V step-down modules. Covers package, current rating, efficiency, and drop-in replaceability.
May 12, 2026
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 |
|---|---|---|
| 1+ | $1.5560 | $1.56 |
| 10+ | $0.8400 | $8.40 |
| 25+ | $0.7600 | $19.00 |
| 100+ | $0.6714 | $67.14 |
| 250+ | $0.6300 | $157.50 |
| 1286+ | $0.5446 | $700.36 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Response time is incredible — usually under 4 hours. They understand that production lines can't wait.”