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产品展示 您现在的位置:君硅科技 > >>产品展示>>
DSD1794A图片
 产品型号:DSD1794A
 库存:js
 PDF下载:
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 订货:订购
 详细介绍

DSD1794A_132dB SNR 最高性能立体声音频

DSD1794A

The DSD1794A is a monolithic CMOS integrated circuit that includes stereo digital-to-analog converters and support circuitry in a small 28-lead SSOP package. The data converters use TI’s advanced-segment DAC architecture to achieve excellent dynamic performance and improved tolerance to clock jitter. The DSD1794A provides balanced current outputs, allowing the user to optimize analog performance externally. The DSD1794A accepts the PCM and DSD audio data s, providing easy interfacing to audio DSP and decoder chips. The DSD1794A also interfaces with external digital filter devices (DF1704, DF1706, PMD200). Sampling rates up to 200 kHz are supported. A full set of user-programmable functions is accessible through an I2C-compatible serial port.

产品特性
  • Supports Both DSD and PCM Formats
  • 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:
    • 132 dB (9 V RMS, Mono)
    • 129 dB (4.5 V RMS, Stereo)
    • 127 dB (2 V RMS, Stereo)
  • 132 dB (9 V RMS, Mono)
  • 129 dB (4.5 V RMS, Stereo)
  • 127 dB (2 V RMS, Stereo)
  • THD+N: 0.0004%
  • Differential Current Output: 7.8 mA p-p
  • 8× Oversampling Digital Filter:
    • Stop-Band Attenuation: –130 dB
    • Pass-Band Ripple: ±0.00001 dB
  • 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-, 20-, and 24-Bit Audio Data
  • PCM Data Formats: Standard, I2S, and Left-Justified
  • Optional Interface to External Digital Filter or DSP Available
  • I2C-Compatible Serial Port
  • User-Programmable Mode Controls:
    • Digital Attenuation: 0 dB to –120 dB, 0.5 dB/Step
    • Digital De-Emphasis
    • Digital Filter Rolloff: Sharp or Slow
    • Soft Mute
  • Digital Attenuation: 0 dB to –120 dB, 0.5 dB/Step
  • Digital De-Emphasis
  • Digital Filter Rolloff: Sharp or Slow
  • Soft Mute
  • Dual-Supply Operation:
    • 5-V Analog, 3.3-V Digital
  • 5-V Analog, 3.3-V Digital
  • 5-V Tolerant Digital Inputs
  • Small 28-Lead SSOP Package
  • APPLICATIONS
    • A/V Receivers
    • SACD Player
    • DVD Players
    • HDTV Receivers
    • Car Audio Systems
    • Digital Multitrack Recorders
    • Other Applications Requiring 24-Bit Audio
  • A/V Receivers
  • SACD Player
  • DVD Players
  • HDTV Receivers
  • Car Audio Systems
  • Digital Multitrack Recorders
  • Other Applications Requiring 24-Bit Audio
参数parametrics
参数 DSD1794A
DACs (#) 2
# Inputs / # Outputs 0 / 2
DAC SNR (Typ) (dB) 127
Architecture Advanced Segment
Resolution (Bits) 24
Control Interface I2C
Digital Audio Interface L R I2S DSD
THD+N(Typ) (%) 0.0005
Additional Features DSD Support
Pin/Package 28SSOP
Power Consumption (Typ) (mW) 205
Rating Catalog
Operating Temperature Range (C) -25 to 85
Package Group SSOP
Estimated Package Size (WxL) (mm2) 28SSOP: 5.3 x 10.2: 74 mm2
Approx. Price (US$) 11.18 | 1ku
数据表?(1)
标题 类型 大小 (KB) 日期
24-Bit 192-kHz Sampling Advanced Segment Audio Stereo DAC PDF 572 2006年 11月 30日
开发工具?(1)
培训内容 型号 类型
音频的快速搜索选择工具 AUDIO_SELECTION_TOOL 计算工具
订购型号Ordering
型号 状态 温度 (oC) 价格(美元) | Quantity 封装 | 引脚 器件标记 封装数量 | 载体
DSD1794ADB ACTIVE -25 to 85 联系客服 SSOP?(DB) | 28 DSD1794 A 47 | TUBE
DSD1794ADBR ACTIVE -25 to 85 联系客服 SSOP?(DB) | 28 DSD1794 A 2000 | LARGE T&R

这里所列出的美国报价单仅供预算参考,指美元报价(规定订量的每片美元,美国离岸价),如有修改不再另行通知。由于地区关税、商业税、汇率及手续费原因,国际报价可能不同。对于特殊批量报价,请与君硅科技客服 联络。对于评估板和套件的报价是指一个单位价格。

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