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PCM1771

現行

具有 HP 放大器的 98dB SNR 低功耗立體聲 DAC (硬體控制)

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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，但引腳輸出與所比較的裝置不同
最新 TAD5142 現行 Hardware-control stereo audio DAC with 110dB dynamic range, and headphone and line driver 8-dB higher performance with integrated headphone amplifier, HW controlled, QFN package

PCM1771

現行
產品規格表 立即訂購

產品詳細資料

Number of DAC channels 2 Analog inputs 0 Analog outputs 2 DAC SNR (typ) (dB) 98 Sampling rate (max) (kHz) 48 Control interface H/W Resolution (Bits) 24 Architecture Multilevel Delta-Sigma Operating temperature range (°C) 0 to 70 Rating Catalog
Number of DAC channels 2 Analog inputs 0 Analog outputs 2 DAC SNR (typ) (dB) 98 Sampling rate (max) (kHz) 48 Control interface H/W Resolution (Bits) 24 Architecture Multilevel Delta-Sigma Operating temperature range (°C) 0 to 70 Rating Catalog
TSSOP (PW) 16 32 mm² 5 x 6.4 VQFNP (RGA) 20 17.64 mm² 4.2 x 4.2
  • Multilevel DAC Including Headphone Amplifier
  • Analog Performance (VCC, VHP = 2.4 V):
    • Dynamic Range: 98 dB Typ
    • THD+N at 0 dB: 0.1% Typ
    • THD+N at -20 dB: 0.04% Typ
    • Output Power at RL = 16 : 13 mW (Stereo), 26 mW (Monaural)
  • 1.6-V to 3.6-V Single Power Supply
  • Low Power Dissipation: 6.5 mW at VCC, VHP = 2.4 V
  • System Clock: 128 fS, 192 fS, 256 fS, 384 fS
  • Sampling Frequency: 5 kHz to 50 kHz
  • Software Control (PCM1770):
    • 16-, 20-, 24-Bit Word Available
    • Left-, Right-Justified, and I2S
    • Slave/Master Selectable
    • Digital Attenuation: 0 dB to -62 dB, 1 dB/Step
    • 44.1-kHz Digital De-Emphasis
    • Zero Cross Attenuation
    • Digital Soft Mute
    • Monaural Analog-In With Mixing
    • Monaural Speaker Mode
  • Hardware Control (PCM1771):
    • Left-Justified and I2S
    • 44.1-kHz Digital De-Emphasis
    • Monaural Analog-In With Mixing
  • Pop-Noise-Free Circuit
  • 3.3-V Tolerant
  • Packages: TSSOP-16 and VQFN-20
  • APPLICATIONS
    • Portable Audio Player
    • Cellular Phone
    • PDA
    • Other Applications Requiring Low-Voltage Operation
  • Multilevel DAC Including Headphone Amplifier
  • Analog Performance (VCC, VHP = 2.4 V):
    • Dynamic Range: 98 dB Typ
    • THD+N at 0 dB: 0.1% Typ
    • THD+N at -20 dB: 0.04% Typ
    • Output Power at RL = 16 : 13 mW (Stereo), 26 mW (Monaural)
  • 1.6-V to 3.6-V Single Power Supply
  • Low Power Dissipation: 6.5 mW at VCC, VHP = 2.4 V
  • System Clock: 128 fS, 192 fS, 256 fS, 384 fS
  • Sampling Frequency: 5 kHz to 50 kHz
  • Software Control (PCM1770):
    • 16-, 20-, 24-Bit Word Available
    • Left-, Right-Justified, and I2S
    • Slave/Master Selectable
    • Digital Attenuation: 0 dB to -62 dB, 1 dB/Step
    • 44.1-kHz Digital De-Emphasis
    • Zero Cross Attenuation
    • Digital Soft Mute
    • Monaural Analog-In With Mixing
    • Monaural Speaker Mode
  • Hardware Control (PCM1771):
    • Left-Justified and I2S
    • 44.1-kHz Digital De-Emphasis
    • Monaural Analog-In With Mixing
  • Pop-Noise-Free Circuit
  • 3.3-V Tolerant
  • Packages: TSSOP-16 and VQFN-20
  • APPLICATIONS
    • Portable Audio Player
    • Cellular Phone
    • PDA
    • Other Applications Requiring Low-Voltage Operation

The PCM1770 and PCM1771 devices are CMOS, monolithic, integrated circuits which include stereo digital-to-analog converters, headphone circuitry, and support circuitry in small TSSOP-16 and VQFN-20 packages.

The data converters use TI's enhanced multilevel architecture, which employs noise shaping and multilevel amplitude quantization to achieve excellent dynamic performance and improved tolerance to clock jitter. The PCM1770 and PCM1771 devices accept several industry standard audio data formats with 16- to 24-bit data, left-justified, I2S, etc., providing easy interfacing to audio DSP and decoder devices. Sampling rates up to 50 kHz are supported. A full set of user-programmable functions is accessible through a 3-wire serial control port, which supports register write functions.

The PCM1770 and PCM1771 devices are CMOS, monolithic, integrated circuits which include stereo digital-to-analog converters, headphone circuitry, and support circuitry in small TSSOP-16 and VQFN-20 packages.

The data converters use TI's enhanced multilevel architecture, which employs noise shaping and multilevel amplitude quantization to achieve excellent dynamic performance and improved tolerance to clock jitter. The PCM1770 and PCM1771 devices accept several industry standard audio data formats with 16- to 24-bit data, left-justified, I2S, etc., providing easy interfacing to audio DSP and decoder devices. Sampling rates up to 50 kHz are supported. A full set of user-programmable functions is accessible through a 3-wire serial control port, which supports register write functions.
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技術文件

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類型 標題 日期
* Data sheet Low-Voltage and Low-Power Stereo Audio DAC w/Headphone Amp datasheet (Rev. E) 2007年 3月 29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

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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 (...)
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TSSOP (PW) 16 Ultra Librarian
VQFNP (RGA) 20 Ultra Librarian
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