Overview
The TPA2011D1YFFR is a 3.2-W mono filter-free Class-D audio power amplifier produced by Texas Instruments. This amplifier is designed in a compact 1.21 mm × 1.16 mm wafer chip scale package (DSBGA) and requires only three external components for operation. It is characterized by its high efficiency, low quiescent current, and integrated feedback resistor, making it ideal for portable electronic devices such as cellular handsets, PDAs, and smartphones.
Key Specifications
| Parameter | Value |
|---|---|
| Output Power | 3.24 W (4 Ω, 5 V, 10% THDN), 2.57 W (4 Ω, 5 V, 1% THDN), 1.80 W (8 Ω, 5 V, 10% THDN), 1.46 W (8 Ω, 5 V, 1% THDN) |
| Efficiency | Up to 95% |
| PSRR | 86 dB |
| Quiescent Current | 1.5 mA |
| Input Resistor | Integrated feedback resistor of 300 kΩ |
| Output Noise | 20 μV |
| Operating Temperature | -40°C to 85°C |
| Supply Voltage | 2.5 V to 5.5 V |
| Package Type | 9-Ball DSBGA |
Key Features
- High efficiency up to 95%
- Integrated feedback resistor of 300 kΩ
- Integrated image reject filter for DAC noise reduction
- Low output noise of 20 μV
- Low quiescent current of 1.5 mA
- Auto-recovering short-circuit protection and thermal overload protection
- Fast start-up time of 4 ms with no audible turn-on pop
- Independent gain while summing signals from separate sources
Applications
The TPA2011D1YFFR is particularly suited for use in portable electronic devices such as cellular handsets, PDAs, and smartphones due to its compact size, high efficiency, and low power consumption. It is also suitable for other battery-powered audio devices where space and power efficiency are critical.
Q & A
- What is the maximum output power of the TPA2011D1YFFR? The maximum output power is 3.24 W (4 Ω, 5 V, 10% THDN) and 2.57 W (4 Ω, 5 V, 1% THDN).
- What is the efficiency of the TPA2011D1YFFR? The efficiency is up to 95%.
- What is the quiescent current of the TPA2011D1YFFR? The quiescent current is 1.5 mA.
- What is the operating temperature range of the TPA2011D1YFFR? The operating temperature range is -40°C to 85°C.
- What type of protection does the TPA2011D1YFFR have? It has auto-recovering short-circuit protection and thermal overload protection.
- How many external components are required for the TPA2011D1YFFR? Only three external components are required.
- What is the package type of the TPA2011D1YFFR? The package type is 9-Ball DSBGA.
- What is the supply voltage range for the TPA2011D1YFFR? The supply voltage range is 2.5 V to 5.5 V.
- Does the TPA2011D1YFFR have integrated noise reduction features? Yes, it has an integrated image reject filter for DAC noise reduction.
- What is the start-up time of the TPA2011D1YFFR? The start-up time is 4 ms with no audible turn-on pop.
