Overview
The E-TDA7560A, produced by STMicroelectronics, is a high-performance class AB audio power amplifier designed for use in high-power car radio systems. This amplifier utilizes advanced BCD (Bipolar/CMOS/DMOS) technology and is packaged in a Flexiwatt 25 (or Flexiwatt 27 for some variants) package. It is renowned for its superior output power capability, excellent distortion performance, and robust protection features, making it an ideal choice for automotive audio applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Power (4 channels @ 4 Ω) | 4 x 51 W (max), 4 x 45 W (EIAJ), 4 x 30 W @ 14.4 V, 1 kHz, 10% | W |
| Output Power (4 channels @ 2 Ω) | 4 x 80 W (max), 4 x 77 W (EIAJ), 4 x 55 W @ 14.4 V, 1 kHz, 10% | W |
| Operating Supply Voltage | 8 V to 18 V | V |
| Peak Supply Voltage (for t = 50 ms) | 50 V | V |
| Junction Temperature | -55 to 150 °C | °C |
| Thermal Resistance (junction-to-case) | 1 °C/W | °C/W |
| Quiescent Current | 80 to 320 mA | mA |
| Output Offset Voltage | ±50 mV | mV |
| Voltage Gain | 25 to 27 dB | dB |
| Channel Gain Unbalance | ±1 dB | dB |
| Package Type | Flexiwatt 25 (or Flexiwatt 27) | - |
| Number of Pins | 25 pins | - |
Key Features
- Multipower BCD Technology: Combines the benefits of Bipolar, CMOS, and DMOS technologies for enhanced performance.
- MOSFET Output Power Stage: Provides high output current and minimized saturation losses.
- Excellent 2 Ω Driving Capability: Capable of driving loads as low as 2 Ω.
- Hi-Fi Class Distortion: Offers superior audio quality with low distortion.
- Low Output Noise: Ensures a clean and noise-free audio output.
- Standby and Mute Functions: CMOS-compatible standby and mute functions for power management.
- Automute at Minimum Supply Voltage Detection: Automatically mutes the output at low supply voltages.
- Low External Component Count: Internally fixed gain, no external compensation, and no bootstrap capacitors required.
- On-Board High Side Driver: Includes a 0.35 A high side driver.
- Protection Features: Includes protections against output short circuits, very inductive loads, overrating chip temperature, output DC offset detection, load dump voltage, fortuitous open GND, and reversed battery.
- DC Offset Detector: Prevents dangerous DC offsets on the outputs that could damage speakers.
Applications
The E-TDA7560A is primarily designed for high-power car radio systems, making it an ideal component for automotive audio applications. Its robust features and high performance also make it suitable for other demanding audio amplification needs in vehicles.
Q & A
- What is the maximum output power of the E-TDA7560A at 4 Ω load?
The maximum output power is 4 x 51 W at 4 Ω load.
- What is the operating supply voltage range for the E-TDA7560A?
The operating supply voltage range is from 8 V to 18 V.
- What type of technology does the E-TDA7560A use?
The E-TDA7560A uses Multipower BCD (Bipolar/CMOS/DMOS) technology.
- Does the E-TDA7560A have built-in protection features?
- What is the quiescent current of the E-TDA7560A?
The quiescent current ranges from 80 to 320 mA.
- What is the voltage gain of the E-TDA7560A?
The voltage gain is between 25 to 27 dB.
- Does the E-TDA7560A have a DC offset detector?
- What is the thermal resistance (junction-to-case) of the E-TDA7560A?
The thermal resistance is 1 °C/W.
- What are the standby and mute functions of the E-TDA7560A?
The E-TDA7560A has CMOS-compatible standby and mute functions for power management.
- What is the package type of the E-TDA7560A?
The package type is Flexiwatt 25 (or Flexiwatt 27 for some variants).
