Overview
The TDA1562Q/N3C,112 is a high-efficiency power amplifier integrated circuit (IC) produced by NXP USA Inc. This component is designed for audio applications, offering a high output power of 70 watts when operating from a single low supply voltage. It is particularly suited for use in various audio systems, including home stereos and portable audio devices, due to its efficient power management and diagnostic capabilities.
Key Specifications
| Parameter | Conditions | Value | Unit |
|---|---|---|---|
| Output Power | RL = 4 Ω, VP = 14.4 V, Tamb = 25 °C | 70 | W |
| Supply Voltage (VP1 and VP2) | 8 - 18 | V | |
| Supply Threshold Voltage (mute → on) | 7 - 9 | V | |
| Supply Threshold Voltage (on → mute) | 7 - 9 | V | |
| Thermal Resistance (junction to case) | 1.5 | K/W | |
| Thermal Resistance (junction to ambient in free air) | 40 | K/W |
Key Features
- High Output Power: Operates at 70 watts from a single low supply voltage.
- Low Power Dissipation: Efficient power management, especially for music signals.
- Diagnostic Capabilities: Includes Dynamic Distortion Detector (DDD), short-circuit detection, open load detection, and temperature protection.
- Mode Select Pin: Allows for on, mute, and standby modes.
- Status I/O Pin: Provides status information on class-H, class-B, and fast mute modes.
- Fixed Gain and Differential Inputs: High common mode rejection and fixed gain settings.
- No Switch-On or Switch-Off Plops: Ensures clean audio output without transient noises.
Applications
- Home Stereos: Ideal for high-fidelity audio systems.
- Portable Audio Devices: Suitable for portable speakers, radios, and other mobile audio equipment.
- Automotive Audio Systems: Can be used in car audio systems due to its robust diagnostic and protection features.
- Professional Audio Equipment: Used in PA systems, mixers, and other professional audio applications requiring high power and efficiency.
Q & A
- What is the maximum output power of the TDA1562Q/N3C,112?
The maximum output power is 70 watts.
- What is the typical supply voltage range for this IC?
The supply voltage range is 8 to 18 volts.
- Does the TDA1562Q/N3C,112 have built-in diagnostic features?
Yes, it includes features like Dynamic Distortion Detector (DDD), short-circuit detection, open load detection, and temperature protection.
- What are the different modes supported by the mode select pin?
The modes include on, mute, and standby.
- Does this IC have any thermal protection features?
Yes, it switches to low output power at high case temperatures and has temperature protection.
- What is the thermal resistance from junction to case for this IC?
The thermal resistance from junction to case is 1.5 K/W.
- Can this IC be used in automotive audio systems?
Yes, it is suitable for automotive audio systems due to its robust diagnostic and protection features.
- Does the TDA1562Q/N3C,112 produce switch-on or switch-off plops?
No, it does not produce switch-on or switch-off plops.
- What type of inputs does the TDA1562Q/N3C,112 have?
The IC has differential inputs with high common mode rejection.
- Is the gain of the TDA1562Q/N3C,112 fixed or adjustable?
The gain is fixed.
