Overview
The TDA7391LV is a bridge class AB audio power amplifier designed specifically for car radio applications. It is produced by STMicroelectronics and is known for its high power capability and versatility. This amplifier can operate in both differential input and single-ended input modes, making it suitable for high-end car radio equipment. The device is also compliant with recent OEM specifications for low voltage operation, including 'start-stop' battery profiles during engine stop and e-call functions.
Key Specifications
| Parameter | Value |
|---|---|
| Maximum Power Output | 40 W / 4 Ω, 45 W / 3.2 Ω |
| Power Output at Specific Conditions | 32 W / 3.2 Ω @ VS = 14.4 V, f = 1 kHz, THD = 10% 26 W / 4 Ω @ VS = 14.4 V, f = 1 kHz, THD = 10% |
| Supply Voltage Range | 6 V to 18 V |
| Load Impedance | 3.2 Ω |
| THD + Noise | 0.05% |
| Package Type | MW 11L, PowerSO-20 |
| RoHS Compliance | Ecopack2 |
| Operating Temperature Range | -40°C to 150°C |
Key Features
- High power capability with outputs of up to 40 W / 4 Ω and 45 W / 3.2 Ω.
- Differential inputs (accepts either single-ended or differential input signals).
- Minimum external component count due to internal fixed gain configuration.
- Standby function (CMOS compatible).
- Capable of operating down to 6 V, supporting 'start-stop' and 'e-call' compatibility.
- On-board clipping detector for easy implementation of gain compression systems.
- Comprehensive protection features including short circuit, very inductive loads, chip over temperature, load dump, open GND, and ESD protection.
Applications
The TDA7391LV is primarily designed for car radio applications, particularly in high-end automotive audio systems. Its high power capability, low voltage operation, and comprehensive protection features make it an ideal choice for automotive infotainment systems.
Q & A
- What is the TDA7391LV?
The TDA7391LV is a bridge class AB audio power amplifier designed for car radio applications. - Who is the manufacturer of the TDA7391LV?
The TDA7391LV is manufactured by STMicroelectronics. - What are the maximum power outputs of the TDA7391LV?
The maximum power outputs are 40 W / 4 Ω and 45 W / 3.2 Ω. - What is the supply voltage range for the TDA7391LV?
The supply voltage range is from 6 V to 18 V. - Does the TDA7391LV support differential inputs?
Yes, it supports both single-ended and differential input signals. - What protection features does the TDA7391LV have?
The TDA7391LV includes protections for short circuit, very inductive loads, chip over temperature, load dump, open GND, and ESD. - Is the TDA7391LV RoHS compliant?
Yes, the TDA7391LV is RoHS compliant with an Ecopack2 grade. - Where can I find additional specifications and documents for the TDA7391LV?
Additional specifications and documents can be found on the STMicroelectronics website and through authorized distributors like Avnet America and Mouser. - What are the typical applications of the TDA7391LV?
The TDA7391LV is typically used in high-end car radio and automotive infotainment systems. - How can I check the stock and lead times for the TDA7391LV?
Stock availability and lead times can be checked on the comparison pages of authorized distributors or through their websites.
