TAS6424R-Q1
- AEC-Q100 Qualified for automotive applications
- Temperature grade 1: –40°C to +125°C T A
- Advanced load diagnostics
- DC Diagnostics run without input clocks
- AC Diagnostic for tweeter detection with impedance and phase response
- Easily meets CISPR25-L5 EMC specifications
- Audio inputs
- 4 Channel I 2S or 4/8-channel TDM input
- Input sample rates: 44.1 kHz, 48 kHz, 96 kHz
- Input formats: 16-bit to 32-bit I 2S, and TDM
- Support for high resolution audio systems
- Audio outputs
- Four-channel bridge-tied load (BTL)
- Two-channel parallel BTL (PBTL)
- Up to 2.1 MHz output switching frequency
- 45 W, 10% THD Into 2 Ω at 14.4 V BTL
- 75 W, 10% THD Into 4 Ω at 25 V BTL
- 150W, 10% THD Into 2 Ω at 25 V PBTL
- Audio performance into 4 Ω at 14.4 V BTL
- THD+N <0.009% at 1 W
- 30 µV RMS output noise
- –97 dB crosstalk
- Load diagnostics
- Open load, shorted load, short-to-battery, short-to-ground
- Line output detection up to 6 kΩ
- Protection
- Enhanced reverse current capabilities
- Output current limiting and short protection
- 40 V Load dump
- Open ground and power tolerant
- DC offset
- Over-temperature, undervoltage, and overvoltage
- General operation
- 4.5 V to 26.4 V supply voltage
- I 2C Control with 4 address options
- Latched and non-latched clip detect
- Enhanced EMI management
The TAS6424R-Q1 device is a four-channel digital-input Class-D audio amplifier that implements a 2.1 MHz PWM switching frequency enabling a cost-optimized device in a very small PCB size, full operation down to 4.5 V for start/stop events, and exceptional sound quality with up to 40 kHz audio bandwidth.
The output switching frequency can be set either above the AM band, which eliminates AM-band interferences and reduces output filtering and cost, or below the AM band to optimize efficiency.
The device has a built-in load diagnostic function for detecting and diagnosing misconnected outputs as well as detection of AC-coupled tweeters to help to reduce test time during the manufacturing process.
The devices adds EMI management features including spread-spectrum, output phase offset and optimized slew rate to assist in system level EMI challenges.
The TAS6424R-Q1 Class-D audio amplifier is designed for use in automotive head units and external amplifier modules. For pin compatible one, two and four-channel devices see the the Device Options table.
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技術文件
| 類型 | 標題 | 日期 | ||
|---|---|---|---|---|
| * | Data sheet | TAS6424R-Q1 75-W, 2-MHz Digital Input 4-Channel Automotive Class-D Audio Amplifier with Load Dump Protection and I2C Diagnostics datasheet (Rev. A) | PDF | HTML | 2023年 9月 6日 |
| EVM User's guide | TAS6424R-Q1 Evaluation Module User's Guide (Rev. A) | PDF | HTML | 2023年 9月 6日 | |
| Certificate | TAS6424RQ1EVM EU RoHS Declaration of Conformity (DoC) | 2023年 3月 28日 |
設計與開發
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PSPICE-FOR-TI — PSpice® for TI 設計與模擬工具
| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| HSSOP (DKQ) | 56 | Ultra Librarian |
訂購與品質
- RoHS
- REACH
- 產品標記
- 鉛塗層/球物料
- MSL 等級/回焊峰值
- MTBF/FIT 估算值
- 材料內容
- 認證摘要
- 進行中持續性的可靠性監測
- 晶圓廠位置
- 組裝地點
建議產品可能具有與此 TI 產品相關的參數、評估模組或參考設計。