TPA032D02DCAG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The TPA032D02DCAG4 is a stereo Class D audio amplifier IC from Texas Instruments with 25dB gain and 20kHz audio bandwidth in a 48-pin HTSSOP package. It delivers 0.5% THD for high-fidelity output and requires a 4.5V to 5.5V logic supply. Available from stock worldwide with competitive pricing.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 48
- Lifecycle
- OBSOLETE
- Datasheet
- TPA032D02DCAG4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of TPA032D02DCAG4?
- Dual-channel Class D topology achieves high efficiency above 85%, reducing heat sink requirements and extending battery life in portable speaker systems
- 25dB fixed gain with 0.5% THD over a 20kHz audio bandwidth delivers clean stereo reproduction for consumer and professional audio products
- 48-pin HTSSOP package integrates two full output stages, eliminating discrete FET drivers and reducing BOM cost in compact audio amplifier boards
- Separate 4.5V to 5.5V logic supply allows independent control voltage scaling while the power stage operates from higher audio supply voltages
- Integrated short-circuit and thermal shutdown protection safeguards the device and connected speakers during fault conditions without external protection circuitry
What is TPA032D02DCAG4 used for?
The TPA032D02DCAG4 is designed for portable Bluetooth speakers, soundbars, and multimedia monitor audio sections where a high-efficiency Class D stereo amplifier must fit in a compact PCB footprint. It also serves in desktop docking stations and all-in-one PC audio systems where the 48-pin HTSSOP package integrates both channels at low bill-of-materials cost. Its low distortion at 0.5% THD makes it suitable for consumer home theater satellite speakers and car audio headunit preamp-to-speaker output stages.
What are the specifications of TPA032D02DCAG4?
| Pbfree Code | No |
| YTEOL | 0 |
| Additional Feature | IT ALSO REQUIRES 4.5V TO 5.5V SUPPLY FOR LOGIC CIRCUIT |
| Bandwidth-Nom | 20kHz |
| Consumer IC Type | CLASS D AUDIO AMPLIFIER |
| Gain | 25dB |
| Harmonic Distortion | 0.5% |
| JESD-30 Code | R-PDSO-G48 |
| JESD-609 Code | e4 |
| Number of Channels | 2 |
| Number of Functions | 1 |
| Output Power-Nom | 10W |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP48,.3,20 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max | 35mA |
| Supply Voltage-Max (Vsup) | 14V |
| Supply Voltage-Min (Vsup) | 8V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.5mm |
| 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 |
Where can I find the TPA032D02DCAG4 datasheet?
TPA032D02DCAG4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for TPA032D02DCAG4?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How efficient is the TPA032D02DCAG4 Class D output stage compared to linear Class AB amplifiers?
As a Class D amplifier, the TPA032D02DCAG4 achieves typical efficiency above 85% at rated output, compared to 50% to 65% for equivalent Class AB designs. This higher efficiency reduces power dissipation by more than half at similar output levels, allowing the device to operate without a heat sink in most portable speaker enclosures.
What audio bandwidth and distortion level does TPA032D02DCAG4 achieve for stereo speaker reproduction?
The amplifier is specified for a 20kHz audio bandwidth covering the full human hearing range, with 0.5% total harmonic distortion at rated output power. The 25dB gain setting provides adequate drive from standard line-level 1Vrms input signals while maintaining low noise across the audio band.
What supply voltages are required to operate TPA032D02DCAG4 in a portable speaker design?
The device needs two supply rails: a power supply for the audio output stage and a separate 4.5V to 5.5V logic supply for internal control circuits. This split-supply architecture allows the audio power rail to be derived from a lithium battery at 7.4V or 8.4V while the logic rail comes from a regulated 5V bus, optimizing efficiency across battery discharge cycles.
Does the TPA032D02DCAG4 include built-in protection for short-circuit and thermal events?
Yes, the IC integrates both output short-circuit protection and thermal shutdown circuitry. When an output is shorted to ground or to the supply, the protection circuit disables the output stage within microseconds to prevent device damage. Thermal shutdown activates if die temperature exceeds the threshold, typically around 150°C, and automatically recovers after the device cools below the reset temperature.
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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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