PCM6020-Q1
- AEC-Q100 qualified for automotive applications
- Temperature grade 1: –40°C ≤ TA ≤ +125°C
- ADC performance:
- Line differential input dynamic range: 110 dB
- Microphone differential input dynamic range: 110 dB
- THD+N: –94 dB
- Channel summing mode supports high SNR
- ADC input voltage:
- Differential, 10-VRMS full-scale inputs
- Single-ended, 5-VRMS full-scale inputs
- ADC sample rate (fS) = 8 kHz to 768 kHz
- Programmable channel settings:
- Channel gain: 0 dB to 42 dB, 1-dB steps
- Digital volume control: –100 dB to 27 dB
- Gain calibration with 0.1-dB resolution
- Phase calibration with 163-ns resolution
- Programmable microphone bias (5 V to 9 V):
- With integrated efficient boost converter
- Programmable microphone input fault diagnostics:
- Open inputs or shorted inputs
- Short to ground, MICBIAS, or VBAT
- Microphone bias over current protection
- Low-latency signal processing filter selection
- Programmable HPF and biquad digital filters
- I2C or SPI controls
- Audio serial data interface:
- Format: TDM, I2S, or left-justified (LJ)
- Word length: 16 bits, 20 bits, 24 bits, or 32 bits
- Master or slave interface
- Single-supply, 3.3-V operation
- I/O supply operation: 3.3 V or 1.8 V
- Power consumption:
- < 21.5 mW/channel at 48-kHz
The PCM6020-Q1 is a 2-channel high-performance, audio analog-to-digital converter (ADC) that supports analog input signals up to 10 VRMS. The PCM6020-Q1 supports line and microphone inputs, and allows for both single-ended and differential input configurations. This device offers an integrated high-voltage, programmable microphone bias, and input diagnostic circuitry that allows direct connection to microphone-based automotive systems with full fault diagnostic capability for direct-coupled inputs. The PCM6020-Q1 integrates an efficient boost converter to generate a high voltage microphone bias using an external, low-voltage, 3.3-V supply, which is a readily available supply in the system to generate the high-voltage, programmable microphone bias. The PCM6020-Q1 integrates the programable channel gain, digital volume control, a low-jitter phase-locked loop (PLL), a programmable high-pass filter (HPF), biquad filters, low-latency filter modes, and allows for sample rates up to 768 kHz. The PCM6020-Q1 supports time-division multiplexing (TDM), I2S, or left-justified (LJ) audio formats, and can be controlled with either the I2C or SPI interface. These integrated high-performance features, along with a single, 3.3-V supply operation, make the PCM6020-Q1 device along with PCM6xx0-Q1 device family an excellent choice for scalable, space-constrained automotive systems. The PCM6020-Q1 is part of a larger PCM6xx0-Q1 device family, available for download at ti.com.
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技術文件
| 重要文件 | 類型 | 標題 | 格式選項 | 下載最新的英文版本 | 日期 | |
|---|---|---|---|---|---|---|
| * | 資料表 | PCM6020-Q1 Automotive, 2-Channel, 768-kHz, Audio ADC With Integrated Microphone Bias and Input Fault Diagnostics datasheet | PDF | HTML | 2019/12/16 | ||
| 應用說明 | PCM6xx0-Q1 Power Consumption Matrix Across Various Usage Scenario (Rev. A) | PDF | HTML | 2021/9/21 |
設計與開發
如需其他條款或必要資源，請按一下下方的任何標題以檢視詳細頁面 (如有)。
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訂購與品質
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。