LM4782TA Texas Instruments Integrated Circuit (Transistor Outline, Vertical) In Stock
The LM4782TA is a three-channel audio power amplifier IC from Texas Instruments, delivering 25 W per channel with 20 kHz bandwidth in a 27-pin ZIP package. Key specs: 3 channels, 25 W nominal output power, plastic ZIP-27 through-hole package. Available in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Transistor Outline, Vertical
- Pin Count
- 3
- Lifecycle
- OBSOLETE
- Datasheet
- LM4782TA Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -20.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Three independent audio amplifier channels each delivering 25 W nominal output for surround sound and multi-room audio systems
- 20 kHz audio bandwidth providing full-range high-fidelity reproduction across the entire audible frequency spectrum
- 27-pin ZIP (Vertical Transistor Outline) package with integrated heatsink tab for efficient thermal management
- Single-chip triAmplifier design reducing component count and PCB complexity in 3-channel audio systems
Applications
The LM4782TA is ideal for home theater receivers, multi-channel surround sound amplifiers, and active multi-way speaker crossovers requiring three independent high-power audio channels in a single IC. Its 25 W per channel output with full 20 kHz bandwidth makes it suitable for stereo plus subwoofer configurations and 2.1 channel desktop audio systems. The ZIP package with thermal tab allows effective heat dissipation in compact amplifier chassis designs.
Specifications
| Pbfree Code | No |
| YTEOL | 0 |
| Bandwidth-Nom | 20kHz |
| Consumer IC Type | AUDIO AMPLIFIER |
| JESD-30 Code | R-PZIP-T27 |
| JESD-609 Code | e0 |
| Number of Channels | 3 |
| Number of Functions | 1 |
| Output Power-Nom | 25W |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | ZIP27,.16,.16,40 |
| Package Shape | RECTANGULAR |
| Package Style | FLANGE MOUNT |
| Qualification Status | Not Qualified |
| Supply Current-Max | 120mA |
| Supply Voltage-Max (Vsup) | 64V |
| Supply Voltage-Min (Vsup) | 20V |
| Surface Mount | NO |
| Temperature Grade | OTHER |
| Terminal Finish | TIN LEAD |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 1mm |
| Terminal Position | ZIG-ZAG |
| Package | Transistor Outline, Vertical |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.33.00.01 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How many audio channels does the LM4782TA provide?
The LM4782TA provides three independent audio amplifier channels, each capable of delivering 25 W of nominal output power. This makes it ideal for 2.1 channel or three-channel surround audio systems using a single integrated circuit.
What is the output power of the LM4782TA?
Each channel of the LM4782TA delivers a nominal output power of 25 W, making it suitable for driving medium-impedance loudspeakers in home audio systems, bookshelf speakers, and multimedia sound systems requiring substantial acoustic output.
What package does the LM4782TA use?
The LM4782TA is housed in a 27-pin ZIP (Zigzag Inline Package) vertical through-hole package, designated JESD-30 code R-PZIP-T27. This package includes a thermal mounting tab for heat sink attachment, essential for sustained high-power operation.
What is the audio bandwidth of the LM4782TA?
The LM4782TA has a nominal audio bandwidth of 20 kHz, covering the full range of human hearing. This ensures accurate reproduction of all audio frequencies from bass through treble without significant roll-off at the extremes of the audible spectrum.
Is the LM4782TA suitable for home theater systems?
Yes, the LM4782TA is well-suited for home theater and surround sound applications. Its three 25 W channels can drive front left, front right, and center speaker channels or a stereo pair plus a subwoofer channel in a compact single-chip solution.
Related Guides
CDCE913PWR Programmable Clock Synthesizer Design Guide
Complete design guide for the CDCE913PWR clock synthesizer: VCO range, I2C programming, decoupling, and layout best practices for embedded systems.
May 22, 2026
OPA4277MDTEP Precision Quad Op-Amp Selection Guide: How to Choose the Right Variant
How to choose the right OPA4277 quad precision op-amp variant—OPA4277MDTEP vs UA—covering offset voltage, CMRR, supply range, and temperature grade.
May 22, 2026
SN74LVC14APWR Hex Schmitt-Trigger Inverter: Application Note and Design Guide
Complete design guide for the SN74LVC14APWR hex Schmitt-trigger inverter: thresholds, decoupling, oscillator design, package selection, and common pitfalls.
May 21, 2026
TPS62841DGRR Buck Converter Selection Guide: Ultra-Low 60 nA IQ for Battery-Powered IoT
How to choose the right TPS62841 variant for IoT, wearables, and wireless sensors: quiescent current, voltage range, package, and application examples.
May 21, 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
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“The anti-counterfeit verification gave us confidence we'd never had with other China suppliers.”