匯頂科技提供高性能的D類智能音頻放大器產品，其中最新一代TFA9865系列，憑借7W高輸出功率、低于7uV超低底噪的卓越音頻性能，重塑移動設備音質標桿。
TFA9865系列搭載匯頂自研第一代CoolPWM技術，徹底打破傳統(tǒng)技術架構，憑借純數字鏈路設計及先進能效管理機制，為移動終端提供更響亮、清晰的音質；高效數字化鏈路設計帶來更高效率、更低靜態(tài)功耗的性能表現，配合先進智能電池管理功能，顯著延長設備續(xù)航時間。同時，匯頂攜手知名芯片制造商，量產國內首創(chuàng)工藝特調的90納米BCD工藝，先進工藝聯(lián)合全新數字架構，實現2.2 * 2.2 mm2的尺寸，為終端廠商創(chuàng)新應用提供更廣闊空間。此外，匯頂獨特的SpeakerBoost揚聲器性能優(yōu)化算法，可最大限度實現溫度和振幅保護功能并實現微型揚聲器最大程度的性能釋放。
| Product Info | Features | TFA9865 | TFA9882 | TFA9896 | TFA9892 | TFA9874 | TFA9894 | TFA9876 | TFA9873 | TFA9875 |
|---|---|---|---|---|---|---|---|---|---|---|
| General | Embedded DSP | No | No | Yes | Yes | No | Yes | No | No | No |
| Package Size | 4.84 mm2 | 1.9 mm2 | 5.6 mm2 | 11.36 mm2 | 6.6 mm2 | 8.9 mm2 | 7.1 mm2 | 5.4 mm2 | 7.34 mm2 | |
| 2.2 * 2.2 * 0.4 | 1.27 * 1.49 * 0.4 | 2.72 * 2.06 * 0.3 | 3.63 * 3.13 * 0.3 | 2.62 * 2.51 * 0.4 | 3.55 * 2.51 * 0.4 | 2.8 * 2.52 * 0.4 | 2.44 * 2.2 * 0.4 | 2.74 * 2.68 * 0.3 | ||
| Package Type | WLCSP-36 | WLCSP-9 | WLCSP-30 | WLCSP-49 | WLCSP-36 | WLCSP-48 | WLSCP36 | WLCSP-30 | WLCSP-36 | |
| Customer Sample | Available | Available | Available | Available | Available | Available | Available | Available | Available | |
| Mass Production | Available | Available | Available | Available | Available | Available | Available | Available | Available | |
| Interfaces | Audio Input Interface | TDM-I2S | I2S | TDM-I2S | TDM-I2S or 1 * PDM | TDM-I2S | TDM-I2S | TDM-I2S | TDM-I2S | TDM-I2S |
| AEC Feedback | Yes | No | Yes | Yes | Yes | Yes | Yes | Yes | Yes | |
| Performance | Boost Voltage | 12 V | No | 6.1 V | 12 V | 10 V | 10 V | 10 V | 8 V | 12 V |
| RMS Output Power (8?~1%THD) | 7 W | 1.45 W | 2.1 W | 6.6 W | 5.6 W | 5.6 W | 5.6 W | 3.5 W | 7.7 W | |
| RMS Output Power (6?~1%THD) | 7 W | - | - | 6.6 W | 6.1 W | 6.1 W | 6.1 W | 4.5 W | 7.8 W | |
| RMS Output Power (4 ?~1%THD) | - | 2.7 W | 3.2 W | 6.7 W | 6.5 W | 6.5 W | 6.2 W | 4.7 W | - | |
| Speaker Channels | Mono | Mono | Mono | Mono | Mono | Mono | Mono | Mono | Mono | |
| Typical Speaker Load (?) | 4-8-32 | 4-8 | 4-8-32 | 4-8-32 | 4-8-32 | 4-8-32 | 4-8-32 | 4-8-32 | 6-8-38 | |
| PSRR (dB) | 80 | 85 | 90 | 75 | 80 | 80 | 80 | 85 | 80 | |
| DR (dB) | 124 | 103 | 100 | 100 | 110 | 110 | 120 | 109 | 116 | |
| MB-DRC | Yes (On Host) | None | (On Host) | Yes (3-band) | Yes (On Host) | Yes (3-band) | Yes (On Host) | Yes (On Host) | Yes (On Host) | |
| TDH+N | 0.05% | 0.02% | 0.03% | 0.04% | 0.04% | 0.04% | 0.05% | 0.05% | 0.05% | |
| Noise (uV) / Receiver Mode | 7 | 24 | 30 / 18 | 16 | 14 | 14 | 7 | 9 | 10 |
| Product Info | Features | SPB 5.5 | SPB 5.0 | SPB 4.0 | SPB 3.5 | SPB 3.0 | SPB 2.0 | SPB 1.5 | SPB 1.0 |
|---|---|---|---|---|---|---|---|---|---|
| Speaker Reliability | Adaptive Speaker Excursion Protection | v5 | v4 | v3 | v2 | v2 | v1 | v1 | v1 |
| Adaptive Speaker Temperature Protection | v3 | v2 | v2 (low pilot-tone) | v1 | v1 | v1 | v1 | v1 | |
| Speaker Diagnostics (Based on f0 and Rdc) | v3 | v2 | v2 | v1 | v1 | v1 | v1 | v1 | |
| Amplifier Clipping Prevention | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | |
| Adaptive Speaker Resonance Compensation | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | |
| Audio Quality | Speaker Equalizer | 15 | 15 | 15 | 15 | 15 | 10 | 10 | 10 |
| Phase Correction | Yes | Yes | Yes | Yes | Yes | Yes | No | No | |
| Multi-band Compression and Noise Gating | v3 (6-band) | v3 (6-band) | v3 (6-band) | v3 (6-band) | v3 (6-band) | v2 (6-band) | v1 (3-band) | No | |
| Bass Enhancement | v3 | v3 | v3 (powerbass) | v3 (Virtual) | v2 | v1 | v1 (3-band) | No | |
| Channel Configurations | Stereo | Stereo | Stereo | Stereo | Stereo | Stereo | Mono | Mono | |
| Ultrasound Mixer (96khz with Audio Protection) | Yes | Yes | Yes | Yes | Yes | No | No | No | |
| Stereo Widening | Yes | Yes | Yes | Yes | No | No | No | No | |
| Distorsion Control | v2 | v2 | v1 | v1 | Yes | No | No | No | |
| Power Management | Peak Current Management | Yes | Yes | Yes | Yes | Yes | No | No | No |
| Battery Power Saver | Yes | Yes | Yes | Yes | Yes | No | No | No |
全新CoolPWM架構帶來更高的效率、更低的靜態(tài)電流和輸出噪音
極低的底噪，同時最大限度減少揚聲器失真，提供無與倫比的聲音清晰度
全新數字架構及低壓供電等先進電池管理功能，極大地延長了設備續(xù)航時間
通過自適應振幅控制和實時溫度保護，防止揚聲器損壞
領先的SpeakerBoost揚聲器性能優(yōu)化算法，實現小揚聲器的最大音量釋放
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