PCM1794A
- 24-Bit Resolution
- Analog Performance:
- Dynamic Range:
- 132 dB (9 V RMS, Mono)
- 129 dB (4.5 V RMS, Stereo)
- 127 dB (2 V RMS, Stereo)
- THD+N: 0.0004%
- Dynamic Range:
- Differential Current Output: 7.8 mA p-p
- 8× Oversampling Digital Filter:
- Stop-Band Attenuation: –130 dB
- Pass-Band Ripple: ±0.00001 dB
- Sampling Frequency: 10 kHz to 200 kHz
- System Clock: 128, 192, 256, 384, 512, or 768 fS
With Autodetect - Accepts 16-Bit and 24-Bit Audio Data
- PCM Data Formats: Standard, I2S, and
Left-Justified - Optional Interface Available to External Digital
Filter or DSP - Digital De-Emphasis
- Digital Filter Rolloff: Sharp or Slow
- Soft Mute
- Zero Flag
- Dual-Supply Operation: 5-V Analog, 3.3-V Digital
- 5-V Tolerant Digital Inputs
- Small 28-Pin SSOP Package
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The PCM1794A device is a monolithic, CMOS-integrated circuit that includes stereo digital-to-analog converters (DACs) and support circuitry in a small 28-pin SSOP package. The data converters use TI’s advanced segment DAC architecture to achieve excellent dynamic performance and improved tolerance to clock jitter. The PCM1794A device provides balanced current outputs, allowing the user to optimize analog performance externally. Sampling rates up to 200 kHz are supported.
技術文件
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檢視所有 6 | 類型 | 標題 | 日期 | ||
|---|---|---|---|---|
| * | Data sheet | PCM1794A 24-Bit, 192-kHz Sampling, Advanced Segment, Audio Stereo Digital-to-Analog Converter datasheet (Rev. B) | PDF | HTML | 2015年 12月 7日 |
| Circuit design | Current-to-voltage converter circuit for audio DACs (Rev. A) | PDF | HTML | 2024年 9月 19日 | |
| Application note | HiFi Audio Circuit Design | 2017年 8月 23日 | ||
| EVM User's guide | DEM-PCM1792, DEM-DSD1792, DEM-PCM1794, DEM-DSD1794 EVM User's Guide | 2003年 8月 6日 | ||
| Application note | A Low Noise, Low Distortion Design for Antialiasing and Anti-Imaging Filters | 2000年 9月 27日 | ||
| Application note | THD+N Versus Frequency Characteristics and Spectra of the PCM1717/18/19/20/23/27 | 2000年 9月 27日 |
設計與開發
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模擬工具
PSPICE-FOR-TI — PSpice® for TI 設計與模擬工具
PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| SSOP (DB) | 28 | Ultra Librarian |
訂購與品質
內含資訊：
- 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
內含資訊：
- 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。