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音訊 DAC

PCM1774

現行

具 HP 放大器的 93dB SNR 低功耗立體聲 DAC (軟體控制)

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產品規格表

現在提供此產品的更新版本

open-in-new 比較替代產品
功能相同，但針腳輸出與所比較的裝置不同。
TAD5112 現行 具有 110dB 動態範圍及耳機與線路驅動器的車用低功耗立體聲道音訊 DAC 13-dB higher performance with integrated headphone amplifier, SW controlled, QFN package

PCM1774

現行
產品規格表 立即訂購

產品詳細資料

Number of DAC channels 2 Sampling rate (min) (kHz) 5 Sampling rate (max) (kHz) 50 THD+N (dB) -82 Control interface I2C, SPI Resolution (Bits) 16 DAC SNR (typ) (dB) 93 Analog outputs 2 Architecture Delta-Sigma Operating temperature range (°C) -40 to 85 Rating Catalog
Number of DAC channels 2 Sampling rate (min) (kHz) 5 Sampling rate (max) (kHz) 50 THD+N (dB) -82 Control interface I2C, SPI Resolution (Bits) 16 DAC SNR (typ) (dB) 93 Analog outputs 2 Architecture Delta-Sigma Operating temperature range (°C) -40 to 85 Rating Catalog
VQFN (RGP) 20 16 mm² (4 mm × 4 mm)
  • Analog Front End:
    • Stereo Single-Ended Input
    • Microphone Amplifier (12 dB, 20 dB)
  • Analog Back End:
    • Stereo/Mono Line Output With Volume
    • Stereo/Mono Headphone Amplifier With Volume
  • Analog Performance:
    • Dynamic Range: 93 dB
    • 40-mW + 40-mW Headphone Output at RL = 16
  • Power Supply Voltage
    • 1.71 V to 3.6 V for Digital I/O Section
    • 1.71 V to 3.6 V for Digital Core Section
    • 2.4 V to 3.6 V for Analog Section
    • 2.4 V to 3.6 V for Power Amplifier Section
  • Low Power Dissipation:
    • 6.4 mW in Playback, 1.8 V/2.4 V, 44.1 kHz
    • 3.3 µW in Power Down
  • Sampling Frequency: 5 kHz to 50 kHz
  • Operation From a Single Clock Input Without PLL
  • System Clock:
    • Common-Audio Clock (256 fS/384 fS), 12/24, 13/26, 13.5/27, 19.2/38.4, 19.68/39.36 MHz
  • 2 (I2C™) or 3 (SPI) Wire Serial Control
  • Programmable Function by Register Control:
    • Digital Attenuation: 0 dB to -62 dB
    • Digital Gain of DAC: 0, 6, 12, 18 dB
    • Power Up/Down Control for Each Module
    • 6-dB to -70-dB Gain for Analog Outputs
    • 0/12/20 dB for Microphone Input
    • 0-dB to -21-dB Gain for Analog Mixing
    • Three-Band Tone Control and 3D Sound
    • Analog Mixing Control
  • Pop-Noise Reduction Circuit
  • Short Protection Circuit
  • Package: 4-mm × 4-mm QFN Package
  • Operation Temperature Range: -40°C to 85°C
  • APPLICATIONS
    • Portable Audio Player, Cellular Phone
    • Video Camcorder, Digital Still Camera
    • PMP/DMB/PND

I2C is a trademark of Philips Electronics.
  • Analog Front End:
    • Stereo Single-Ended Input
    • Microphone Amplifier (12 dB, 20 dB)
  • Analog Back End:
    • Stereo/Mono Line Output With Volume
    • Stereo/Mono Headphone Amplifier With Volume
  • Analog Performance:
    • Dynamic Range: 93 dB
    • 40-mW + 40-mW Headphone Output at RL = 16
  • Power Supply Voltage
    • 1.71 V to 3.6 V for Digital I/O Section
    • 1.71 V to 3.6 V for Digital Core Section
    • 2.4 V to 3.6 V for Analog Section
    • 2.4 V to 3.6 V for Power Amplifier Section
  • Low Power Dissipation:
    • 6.4 mW in Playback, 1.8 V/2.4 V, 44.1 kHz
    • 3.3 µW in Power Down
  • Sampling Frequency: 5 kHz to 50 kHz
  • Operation From a Single Clock Input Without PLL
  • System Clock:
    • Common-Audio Clock (256 fS/384 fS), 12/24, 13/26, 13.5/27, 19.2/38.4, 19.68/39.36 MHz
  • 2 (I2C™) or 3 (SPI) Wire Serial Control
  • Programmable Function by Register Control:
    • Digital Attenuation: 0 dB to -62 dB
    • Digital Gain of DAC: 0, 6, 12, 18 dB
    • Power Up/Down Control for Each Module
    • 6-dB to -70-dB Gain for Analog Outputs
    • 0/12/20 dB for Microphone Input
    • 0-dB to -21-dB Gain for Analog Mixing
    • Three-Band Tone Control and 3D Sound
    • Analog Mixing Control
  • Pop-Noise Reduction Circuit
  • Short Protection Circuit
  • Package: 4-mm × 4-mm QFN Package
  • Operation Temperature Range: -40°C to 85°C
  • APPLICATIONS
    • Portable Audio Player, Cellular Phone
    • Video Camcorder, Digital Still Camera
    • PMP/DMB/PND

I2C is a trademark of Philips Electronics.

The PCM1774 is a low-power stereo DAC designed for portable digital audio applications. The device integrates headphone amplifier, line amplifier, line input, boost amplifier, programmable gain control, analog mixing, and sound effects. It is available in a small-footprint, 4-mm × 4-mm QFN package. The PCM1774 supports right-justified, left-justified, I2S, and DSP formats, providing easy interfacing to audio DSP and decoder/encoder chips. Sampling rates up to 50 kHz are supported. The user-programmable functions are accessible through a two- or three-wire serial control port.

The PCM1774 is a low-power stereo DAC designed for portable digital audio applications. The device integrates headphone amplifier, line amplifier, line input, boost amplifier, programmable gain control, analog mixing, and sound effects. It is available in a small-footprint, 4-mm × 4-mm QFN package. The PCM1774 supports right-justified, left-justified, I2S, and DSP formats, providing easy interfacing to audio DSP and decoder/encoder chips. Sampling rates up to 50 kHz are supported. The user-programmable functions are accessible through a two- or three-wire serial control port.
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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 16-Bit Low Power Stereo Audio DAC w/Analog Mixing Headphone Outputs datasheet 2007/7/30
EVM User's guide DEM-DAI1774 EVM User's Guide 2008/2/15
應用說明 A Low Noise, Low Distortion Design for Antialiasing and Anti-Imaging Filters 2000/9/27
應用說明 THD+N Versus Frequency Characteristics and Spectra of the PCM1717/18/19/20/23/27 2000/9/27

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)。

開發模組 (EVM) 的 GUI

SLAC238 — PCM1774EVM - Graphical User Interface (GUI) Software

支援產品和硬體
模擬型號

PCM1774 IBIS Model

SLAM131.ZIP (31 KB) - IBIS 模型
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VQFN (RGP) 20 Ultra Librarian
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