TDA7498MV STMicroelectronics Integrated Circuit (Small Outline Packages) In Stock
The TDA7498MV is a mono Class-D audio power amplifier delivering 100W nominal output with 37.6 dB gain and 22 kHz audio bandwidth in a 36-pin PowerSSO package. It integrates high-efficiency switching output stages ideal for consumer audio systems and active subwoofers. From $4.80 in stock worldwide shipping.
- Manufacturer
- STMicroelectronics
- Package
- Small Outline Packages
- Pin Count
- 36
- Lifecycle
- OBSOLETE
- Datasheet
- TDA7498MV Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $3.4823(MOQ 58)
- Temp Range
- -20.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of TDA7498MV?
- 100 W nominal mono Class-D output power for high-power audio
- 37.6 dB fixed gain with 22 kHz full-audio bandwidth
- High-efficiency switching topology minimizing heatsink requirements
- Single-chip integration reducing external component count
- 36-pin PowerSSO package with exposed pad for thermal management
- THD of 10% at rated 100 W enabling hard-driven subwoofer designs
What is TDA7498MV used for?
The TDA7498MV is designed for high-power consumer audio applications including active subwoofers, home theater systems, and powered speaker enclosures requiring 100W mono output from a single-chip Class-D amplifier. Its high-efficiency switching architecture reduces power dissipation compared to Class-AB designs, allowing compact enclosures without large heatsinks in soundbar and mini-amplifier applications. The device also suits commercial sound reinforcement equipment and automotive aftermarket amplifier boards where a 37.6 dB gain stage with 22 kHz bandwidth is needed.
What are the specifications of TDA7498MV?
| YTEOL | 0 |
| Bandwidth-Nom | 22kHz |
| Consumer IC Type | CLASS D AUDIO AMPLIFIER |
| Gain | 37.6dB |
| Harmonic Distortion | 10% |
| JESD-30 Code | R-PDSO-G36 |
| JESD-609 Code | e3 |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Output Power-Nom | 100W |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SSOP36,.4,20 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max | 60mA |
| Supply Voltage-Max (Vsup) | 39V |
| Supply Voltage-Min (Vsup) | 14V |
| Surface Mount | YES |
| Temperature Grade | OTHER |
| Terminal Finish | Matte Tin (Sn) - annealed |
| 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 TDA7498MV datasheet?
TDA7498MV Datasheet DownloadOfficial datasheet from STMicroelectronics
What are equivalent replacements for TDA7498MV?
Compatible alternatives and drop-in replacements for TDA7498MV:
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Frequently Asked Questions
What output power does the TDA7498MV deliver and under what supply conditions is it achieved?
The TDA7498MV delivers 100W nominal output power in mono Class-D mode, typically achieved with a supply voltage of 36V to 39V into a 4-ohm or 8-ohm speaker load. At lower supply voltages the output power scales quadratically; at 24V the output is approximately 45W into 4 ohms. The 37.6 dB gain stage amplifies a standard 1V line-level input to full rated power output.
How does the TDA7498MV's Class-D topology reduce thermal management requirements compared to Class-AB amplifiers at 100W?
Class-D amplifiers like the TDA7498MV achieve switching efficiencies above 90%, meaning that at 100W output the device dissipates less than 10W as heat in ideal conditions, compared to Class-AB which can dissipate 50W or more at the same output power level. The 36-pin PowerSSO exposed pad transfers this reduced thermal load efficiently to the PCB copper plane, often eliminating the need for a large external heatsink in subwoofer and speaker applications.
For a compact powered subwoofer design, how does the TDA7498MV's 36-pin PowerSSO package simplify PCB layout versus discrete MOSFET solutions?
The TDA7498MV integrates the full Class-D output bridge, gate drivers, and protection circuitry within a single 36-pin PowerSSO package, eliminating the need for 4 discrete MOSFETs, bootstrap capacitor drivers, and dead-time control logic that discrete solutions require. This consolidation reduces the PCB area by approximately 60% and lowers the component count by more than 20 parts, simplifying assembly and improving reliability for 100W subwoofer amplifier designs.
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Why Buy from FindMyChip
About STMicroelectronics
STMicroelectronics is a global semiconductor leader serving customers across the spectrum of electronics applications. ST's products are found in a wide range of applications including automotive, industrial, personal electronics, and communications.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 58+ | $4.0182 | $233.06 |
| 75+ | $3.8843 | $291.32 |
| 100+ | $3.4823 | $348.23 |
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