PCM1809
- Stereo low power ADC:
- 2-channel analog microphones or line-in
- ADC line and microphone differential and single-ended input performance:
- PCM1809 dynamic range:
- Differential Input: 104dB
- Single-ended Input: 102dB
- THD+N: –95 dB
- PCM1809 dynamic range:
- 2-VRMS differential full-scale input
- Direct Coupling
- Wide Input Common Mode support
- AC/DC Coupling support
- ADC sample rate (fS) = 8 kHz to 192 kHz
- Hardware pin control configurations
- Linear-phase or low-latency filter selection
- Flexible audio serial data interface:
- Controller or target interface selection
- 32-bits, 2-channel TDM
- 32-bits, 2-channel I2S
- Automatic power-down upon loss of audio clocks
- Integrated high-performance audio PLL
- Single-supply operation: 3.3 V
- I/O-supply operation: 3.3 V or 1.8 V
- Power consumption for 3.3-V AVDD supply:
- 19.6 mW/channel at 16-kHz sample rate
- 21.3 mW/channel at 48-kHz sample rate
The PCM1809 is a low power audio analog-to-digital converter (ADC) that supports simultaneous sampling of up to two analog channels. The device supports single-ended and differential line and microphone inputs with a 2VRMS full-scale differential signal. The device integrates a phase-locked loop (PLL), a DC removal high-pass filter (HPF), and supports sample rates up to 192kHz. The device supports time-division multiplexing (TDM) or I2S audio formats, selectable with the hardware pin level. Additionally, the PCM1809 supports Controller and target mode selection for the audio bus interface operation. These integrated features, along with the ability to be powered from a single supply of 3.3V, make the device an excellent choice for cost-sensitive, space-constrained audio systems in microphone recording applications.
The PCM1809 is specified from –40°C to +105°C, and is offered in a 20-pin WQFN package.
技術文件
| 類型 | 標題 | 日期 | ||
|---|---|---|---|---|
| * | Data sheet | PCM1809 Stereo Channel, 102dB Dynamic Range Audio ADC datasheet | PDF | HTML | 2024年 5月 7日 |
| EVM User's guide | PCM1809 Evaluation Module User's Guide | PDF | HTML | 2024年 6月 27日 | |
| Certificate | PCM1809EVM EU Declaration of Conformity (DoC) | 2024年 5月 22日 |
設計與開發
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PCM1809EVM — PCM1809 評估模組
PCM1809 評估模組 (EVM) 允許使用者測試 PCM1809 的功能，這是一款雙通道 DC 耦合硬體控制高性能音訊 ADC，主要用於語音啟用系統、專業麥克風、語音會議、可攜式運算、通訊和娛樂應用。此評估模組提供與輸入、輸出和硬體控制接腳的方便連接
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 |
|---|---|---|
| WQFN (RTE) | 20 | 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。