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PCM1774

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93dB SNR Low-Power Stereo DAC with HP Amplifier (S/W Control)

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Data sheet

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NEW TAD5112 PREVIEW Low-power stereo audio DAC with 110dB dynamic range, and headphone and line driver 13-dB higher performance with integrated headphone amplifier, SW controlled, QFN package

PCM1774

ACTIVE
Data sheet Order now

Product details

Number of DAC channels 2 Analog inputs 0 Analog outputs 2 DAC SNR (typ) (dB) 93 Sampling rate (max) (kHz) 50 Control interface I2C, SPI Resolution (Bits) 16 Architecture Delta-Sigma Operating temperature range (°C) -40 to 85 Rating Catalog
Number of DAC channels 2 Analog inputs 0 Analog outputs 2 DAC SNR (typ) (dB) 93 Sampling rate (max) (kHz) 50 Control interface I2C, SPI Resolution (Bits) 16 Architecture Delta-Sigma Operating temperature range (°C) -40 to 85 Rating Catalog
VQFN (RGP) 20 16 mm² 4 x 4
  • 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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Technical documentation

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Type Title Date
* Data sheet 16-Bit Low Power Stereo Audio DAC w/Analog Mixing Headphone Outputs datasheet 30 Jul 2007
EVM User's guide DEM-DAI1774 EVM User's Guide 15 Feb 2008
Application note A Low Noise, Low Distortion Design for Antialiasing and Anti-Imaging Filters 27 Sep 2000
Application note THD+N Versus Frequency Characteristics and Spectra of the PCM1717/18/19/20/23/27 27 Sep 2000

Design & development

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GUI for evaluation module (EVM)

SLAC238 — PCM1774EVM - Graphical User Interface (GUI) Software

Supported products & hardware

Supported products & hardware

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Audio DACs
PCM1774 — 93dB SNR Low-Power Stereo DAC with HP Amplifier (S/W Control)
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Simulation model

PCM1774 IBIS Model

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