TPA2028D1YZFR
| Parameters | |
|---|---|
| Series | SmartGain™ |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| RoHS Status | ROHS3 Compliant |
| Package / Case | 9-UFBGA, DSBGA |
| Mfr | Texas Instruments |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Type | Class D |
| Output Type | 1-Channel (Mono) |
| Supplier Device Package | 9-DSBGA |
| Voltage - Supply | 2.5V ~ 5.5V |
| Max Output Power x Channels @ Load | 3W x 1 @ 4Ohm |
| Features | AGC, Differential Inputs, DRC, I²C, Short-Circuit and Thermal Protection, Shutdown, Volume Control |
| Package | Tape & Reel (TR) |
| Product Status | Active |
| Base Product Number | TPA2028 |
| REACH Status | REACH Unaffected |
| Standard Package | 3,000 |
| ECCN | EAR99 |
| HTSUS | 8542.33.0001 |
TPA2028D1YZFR Class-D audio amplifier ic
The TPA2028D1YZFR is a highly integrated, mono, filterless Class-D audio amplifier designed by Texas Instruments, housed in an ultra-compact 1.09mm x 1.09mm 9-bump WCSP (YZFR) package specifically tailored for space-constrained portable audio systems. This sophisticated device delivers a robust 3.1W output power into a 4-ohm load at 5V, achieving an unprecedented balance between micro-size footprint and high-fidelity acoustic performance. It combines advanced smart audio processing with ultra-low quiescent current consumption to provide superior sound clarity and robust bass response while significantly extending the battery life of modern handheld and wearable electronics, establishing itself as a premier choice for optimized audio solutions.
This amplifier features a versatile I2C control interface that allows dynamic, real-time adjustment of gain, compression threshold, attack time, and release time, empowering engineers to finely tune the audio curve for specific acoustic environments. Through its integrated Automatic Gain Control (AGC) and Dynamic Range Compression (DRC) functionalities, it actively prevents speaker damage from over-excursion and power overheating while effectively minimizing peak-to-average power ratio distortion. Furthermore, it operates with a proprietary spread-spectrum modulation scheme and advanced edge-rate control technology that drastically reduces electromagnetic interference (EMI), eliminating the need for bulky traditional LC output filters, which substantially simplifies PCB layout and minimizes overall bill-of-materials costs while maintaining top-tier signal-to-noise ratio (SNR) performance.
Alternative audio amplifiers
● MAX98357AEWL+: An I2S-input Class-D amplifier from Analog Devices featuring filterless output and superior EMI suppression, tailored for digital audio streaming without requiring an external DAC.
● PAM8302AASCR: A high-efficiency mono Class-D audio amplifier from Diodes Incorporated with ultra-low quiescent current and built-in over-temperature protection, designed for battery-powered piezo and dynamic speakers.
● TS4999EIJT: A filterless mono Class-D amplifier from STMicroelectronics delivering up to 2.6W output power with advanced pop-and-click suppression circuitry, ensuring seamless audio power-up transitions.
