TPA3140D2PWPR Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The TPA3140D2PWPR is an inductor-free stereo Class-D audio amplifier from Texas Instruments delivering 10W per channel (BTL) with ultra-low EMI and an Auto Gain Limiter in a 28-pin TSSOP package. It features 36dB gain, 22kHz audio bandwidth, and 102dB signal-to-noise ratio for high-quality audio output. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 29
- Lifecycle
- ACTIVE
- Datasheet
- TPA3140D2PWPR 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
Key Features
- Inductor-free Class-D stereo BTL amplifier delivering 10W per channel, eliminating costly external filter inductors and reducing BOM cost and board area
- Ultra-low EMI spread-spectrum modulation scheme and Auto Gain Limiter (AGL) prevent speaker damage and reduce RF interference in consumer electronics
- 102dB SNR with 36dB fixed gain and 22kHz audio bandwidth, delivering high-fidelity stereo audio suitable for premium consumer applications
- 28-pin TSSOP package (JESD-30 R-PDSO-G28) with RoHS-compliant Pb-free construction (e4), enabling compact and cost-effective audio amplifier designs
Applications
The TPA3140D2PWPR is ideal for compact consumer audio products such as Bluetooth speakers, soundbars, portable docking stations, and smart home devices where high output power and minimal PCB footprint are required. Its inductor-free design significantly simplifies the audio output stage, making it a perfect fit for slim, low-cost portable speakers and desktop audio systems. The Auto Gain Limiter and ultra-low EMI features also make it suitable for battery-powered devices and products requiring FCC/CE electromagnetic compliance.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Bandwidth-Nom | 22kHz |
| Consumer IC Type | CLASS D AUDIO AMPLIFIER |
| Gain | 36dB |
| JESD-30 Code | R-PDSO-G28 |
| JESD-609 Code | e4 |
| Noise Figure-Nom | 102dB |
| Number of Channels | 2 |
| Number of Functions | 1 |
| Output Power-Nom | 10W |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP28,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Supply Voltage-Max (Vsup) | 14.4V |
| Supply Voltage-Min (Vsup) | 4.5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| 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 | 8542.33.00.01 |
| Country of Origin | Taiwan |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for TPA3140D2PWPR:
Frequently Asked Questions
Why is the TPA3140D2PWPR called inductor-free and what does that mean for circuit design?
The TPA3140D2PWPR uses a filterless Class-D output stage that drives speakers directly without external LC filter inductors. This eliminates the need for expensive, large inductors typically required in Class-D amplifiers, significantly reducing BOM cost, PCB area, and assembly complexity while maintaining acceptable audio quality with typical speaker loads.
What output power does the TPA3140D2PWPR deliver and in what configuration?
The TPA3140D2PWPR delivers 10W per channel in BTL (Bridge-Tied Load) stereo configuration. BTL mode bridges the speaker between two output pins, doubling the voltage swing across the load compared to single-ended outputs, which allows full 10W output from lower supply voltages.
What is the Auto Gain Limiter (AGL) feature in the TPA3140D2PWPR?
The Auto Gain Limiter (AGL) in the TPA3140D2PWPR automatically reduces the amplifier gain when the output signal approaches clipping or the speaker's maximum power handling capability. This prevents distortion, protects speakers from damage at high volumes, and provides a smoother audio experience without requiring external limiting circuitry.
What audio performance specs does the TPA3140D2PWPR achieve?
The TPA3140D2PWPR achieves a nominal SNR (Signal-to-Noise Ratio) of 102dB, a fixed gain of 36dB, and a nominal audio bandwidth of 22kHz. These specifications deliver high-fidelity stereo audio reproduction suitable for premium consumer electronics and multimedia speaker systems.
What are typical applications for the TPA3140D2PWPR?
Typical applications include Bluetooth wireless speakers, portable docking stations, soundbars, desktop multimedia speakers, smart home audio devices, and any battery-powered or mains-powered consumer audio product requiring stereo Class-D amplification with minimal external components and low EMI emissions.
Related Guides
TPS54160DGQR Selection Guide: How to Choose a 60V Step-Down Buck Converter
Complete selection guide for the TPS54160DGQR 60V/1.5A step-down converter. Compare specs, alternatives, and sourcing options for industrial and automotive designs.
May 20, 2026
LMV932MM Dual Low-Voltage CMOS Op-Amp: Application Design Guide
Complete application design guide for the LMV932MM dual rail-to-rail CMOS op-amp: supply decoupling, RRIO design rules, stability, and recommended circuits for 1.8V–5.5V battery-powered systems.
May 20, 2026
TL084CN Equivalent and Replacements: JFET-Input Quad Op-Amp Comparison Guide
Compare TL084CN with TL074, LF347, and LM324 quad op-amps. Pin-compatible equivalents, key specs, and when to choose each for your analog design.
May 20, 2026
TPS386000RGPR Quad Voltage Supervisor: Selection and Sourcing Guide (2025)
Compare TPS386000RGPR with TPS386040RGPR, TPS3700, and TPS3823 voltage supervisors. Key specs, threshold programming, watchdog options, and sourcing tips.
May 20, 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.
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.”