TDA7498MVTR 100-watt Mono BTL Class-D Audio Power Amplifier IC - SSO-36 package

TDA7498MVTR 100W Mono BTL Class-D Audio Power Amplifier IC SSO-36 package is a high-efficiency mono BTL Class-D audio amplifier from STMicroelectronics, designed for home audio systems, powered speakers, subwoofers, and professional audio applications. It operates from a single 14V to 39V supply, delivers up to 100W output power, and integrates comprehensive protection features including thermal shutdown, short-circuit, overcurrent, overvoltage, and undervoltage protection. The device is housed in a PowerSSO-36 package with an exposed thermal pad for efficient heat dissipation.

TDA7498MVTR 100-watt Mono BTL Class-D Audio Power Amplifier IC Datasheet

Features

1. Mono BTL (Bridge-Tied Load) Class-D Audio Amplifier
2. Up to 100W Output Power (6Ω Load, 36V Supply)
3. 80W Output Power (8Ω Load, 34–36V Supply)
4. Wide Single Supply Voltage: 14V to 39V
5. High Efficiency up to 90%
6. Four Selectable Gain Settings (25.6dB / 31.6dB / 35.1dB / 37.6dB)
7. Differential Audio Inputs for Improved Noise Immunity
8. Built-in Standby and Mute Functions
9. Short Circuit Protection (SCP)
10. Overcurrent Protection (OCP)
11. Thermal Shutdown Protection (OTP)
12. Overvoltage Protection (OVP)
13. Undervoltage Protection (UVP)
14. Externally Synchronizable Clock
15. Low Quiescent Current
16. PowerSSO-36 Package with Exposed Pad for Better Cooling
17. Optimized for Active Speakers, Subwoofers, and Home Audio Systems

Circuit Diagram

Specifications

Parameter	Specification
Product Type	Mono BTL Class-D Audio Power Amplifier IC
Manufacturer	STMicroelectronics
Model	TDA7498MVTR
Amplifier Type	Class-D
Configuration	Mono BTL
Package	PowerSSO-36 (Exposed Pad Up)
Mounting Type	Surface Mount (SMD)
Supply Voltage	14V – 39V DC
Absolute Maximum Supply Voltage	45V
Output Power (6Ω)	100W @ THD = 10%, VCC = 36V
Output Power (8Ω)	80W @ THD = 10%, VCC = 36V
Efficiency	Up to 90%
Switching Frequency	310kHz Typical
Switching Frequency Range	250kHz – 400kHz
THD	0.1% Typical @ 1W
Input Type	Differential
Input Impedance	60kΩ Typical
Gain Options	25.6dB, 31.6dB, 35.1dB, 37.6dB
Quiescent Current	40mA Typical
Standby Current	1µA Typical
Output Offset Voltage	±100mV Max
Supply Voltage Rejection	70dB Typical
Maximum Overcurrent Threshold	7A Typical
Thermal Shutdown	150°C
Overvoltage Protection	42–43V
Undervoltage Protection	8V
Operating Temperature	-40°C to +85°C
Storage Temperature	-40°C to +150°C

Applications

• Active Speakers
• Powered Subwoofers
• Home Theater Systems
• Soundbars
• Professional Audio Equipment
• Public Address (PA) Systems
• Multimedia Speaker Systems
• DIY Audio Amplifier Projects
• Industrial Audio Systems

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Package Includes

1 × TDA7498MVTR 100W Mono BTL Class-D Audio Power Amplifier IC (PowerSSO-36)