Overview
The TDA7056B/N1,112 is a mono Bridge-Tied Load (BTL) output amplifier produced by NXP USA Inc. This device is designed with a DC volume control and is particularly suited for use in televisions, monitors, battery-fed portable recorders, and radios. It is housed in a 9-pin medium power package and features a Missing Current Limiter (MCL) circuit for enhanced safety and stability.
Key Specifications
| Parameter | Description |
|---|---|
| Manufacturer | NXP USA Inc. |
| Package | 9-SIP Exposed Tab |
| Voltage - Supply | 4.5V ~ 18V |
| Terminal Position | SINGLE |
| Terminal Pitch | 2.54mm |
| Pin Count | 9 |
| Output Power | Up to 5.5W for an 8-ohm speaker |
| RoHS Compliance | ROHS3 Compliant |
Key Features
- DC volume control
- Few external components required
- Mute mode
- Thermal protection
- Short-circuit proof
- No switch-on and switch-off clicks
- Good overall stability
- Low power consumption
- Low HF radiation
- ESD protection on all pins
Applications
- Televisions and monitors
- Battery-fed portable recorders
- Radios
- Communications equipment
- Personal electronics
- Portable electronics
Q & A
- What is the TDA7056B/N1,112 used for?
The TDA7056B/N1,112 is used in televisions, monitors, battery-fed portable recorders, and radios due to its DC volume control and BTL output amplifier capabilities.
- What is the supply voltage range of the TDA7056B/N1,112?
The supply voltage range is from 4.5V to 18V.
- What type of package does the TDA7056B/N1,112 come in?
The device is housed in a 9-SIP Exposed Tab package.
- Does the TDA7056B/N1,112 have thermal protection?
Yes, it includes thermal protection.
- Is the TDA7056B/N1,112 RoHS compliant?
Yes, it is ROHS3 compliant.
- What is the maximum output power of the TDA7056B/N1,112?
The maximum output power is up to 5.5W for an 8-ohm speaker.
- Does the TDA7056B/N1,112 have ESD protection?
Yes, it has ESD protection on all pins.
- What is the purpose of the Missing Current Limiter (MCL) circuit in the TDA7056B/N1,112?
The MCL circuit is activated when the difference in current between the output terminals exceeds 100 mA, providing protection against excessive current.
- Can the TDA7056B/N1,112 be used in headphone applications?
Yes, it can be used in single-ended headphone applications due to its current limiter feature.
- What are the recommended external components for the TDA7056B/N1,112?
External components include power supply bypass capacitors (C1 and C2), an input capacitance (C3), and a resistor (R1) for a grounded DC path and predictable input impedance.
