Overview
The TAS2552YFFR is a high-efficiency Class-D audio power amplifier developed by Texas Instruments. This device is designed with advanced battery current management and an integrated Class-G boost converter. It is particularly suited for applications requiring high audio quality and efficient power management. The TAS2552YFFR measures the current and voltage across the load, providing a digital stream of this information, and features automatic gain control (AGC) to optimize battery life and prevent output clipping and distortion.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | DSBGA (YFF) | - |
| Pins | 30 | - |
| Operating Temperature Range | -40 to 85 | °C |
| Output Power | 4.0 W into 8 Ω Load from 4.2 V Supply (1% THD+N) | - |
| Efficiency | 85% at Rated Power | - |
| Input Sample Rates | 8 kHz to 192 kHz | - |
| Boost Input Voltage | 3.0 V to 5.5 V | - |
| Analog Supply Voltage | 1.65 V to 1.95 V | - |
| Digital I/O Supply Voltage | 1.5 V to 3.6 V | - |
| Thermal Resistance (Junction-to-Ambient) | 76.5 | °C/W |
Key Features
- Analog or Digital Input Mono Boosted Class-D Amplifier
- Integrated Class-G Boost Converter for efficient power supply
- Automatic Gain Control (AGC) to reduce battery current consumption
- Measures Speaker Current and Voltage, VBAT and VBOOST Voltages
- Adjustable Class-D Switching Edge-Rate Control
- Thermal and Short-Circuit Protection
- I2C Interface for Register Control
- Stereo Configuration Using Two TAS2552s
- I2C Address Select Terminal (ADDR)
- Built-in 16-bit D/A Converter for digital input
Applications
- Mobile Phones
- Portable Navigation Devices (PND)
- Portable Audio Docks
- Tablets
- Gaming Devices
Q & A
- What is the TAS2552YFFR? The TAS2552YFFR is a high-efficiency Class-D audio power amplifier with an integrated Class-G boost converter.
- What is the output power of the TAS2552YFFR? The TAS2552YFFR can deliver 4.0 W into an 8 Ω load from a 4.2 V supply with 1% THD+N.
- What are the input sample rates supported by the TAS2552YFFR? The device supports input sample rates from 8 kHz to 192 kHz.
- What is the operating temperature range of the TAS2552YFFR? The operating temperature range is -40°C to 85°C.
- Does the TAS2552YFFR have built-in protection features? Yes, it includes thermal and short-circuit protection.
- How does the TAS2552YFFR manage battery current? The device features automatic gain control (AGC) to reduce battery current consumption and prevent output clipping and distortion.
- What interface does the TAS2552YFFR use for register control? The TAS2552YFFR uses an I2C interface for register control.
- Can the TAS2552YFFR be configured for stereo output? Yes, stereo configuration is possible using two TAS2552 devices.
- What is the package type and pin count of the TAS2552YFFR? The TAS2552YFFR is packaged in a 30-pin DSBGA (YFF) package.
- What are some common applications of the TAS2552YFFR? Common applications include mobile phones, portable navigation devices, portable audio docks, tablets, and gaming devices.
