98dB SNR Low-Power Stereo DAC with line-out (H/W Control)


Product details


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 open-in-new Find other Audio DACs

Package | Pins | Size

TSSOP (PW) 16 22 mm² 5.0 x 4.4 VQFNP (RGA) 20 18 mm² 4.2 x 4.2 open-in-new Find other Audio DACs


  • Multilevel DAC Including Lineout Amplifier
  • Analog Performance (VCC1, VCC2 = 2.4 V):
    • Dynamic Range: 98 dB Typ
    • THD+N at 0 dB: 0.007% Typ
  • 1.6-V to 3.6-V Single Power Supply
  • Low Power Dissipation: 6 mW at VCC1, VCC2 = 2.4 V
  • System Clock: 128 fS, 192 fS, 256 fS, 384 fS
  • Sampling Frequency: 5 kHz to 50 kHz
  • Software Control (PCM1772):
    • 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 (PCM1773):
    • 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
    • Portable Audio Player
    • Cellular Phone
    • PDA
    • Other Applications Requiring Low-Voltage Operation

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The PCM1772 and PCM1773 devices are CMOS, monolithic, integrated circuits which include stereo digital-to-analog converters, lineout 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 PCM1772 and PCM1773 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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Technical documentation

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Type Title Date
* Data sheet Low Voltage & Low Power, Stereo Audio DAC with Lineout Amp datasheet (Rev. G) Feb. 26, 2007
More literature DRV601EVM2 Read me first Feb. 29, 2008
Application note Dynamic Performance Testing of Digital Audio D/A Converters Oct. 02, 2000
Application note A Low Noise, Low Distortion Design for Antialiasing and Anti-Imaging Filters Sep. 27, 2000
Application note THD+N Versus Frequency Characteristics and Spectra of the PCM1717/18/19/20/23/27 Sep. 27, 2000

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CAD/CAE symbols

Package Pins Download
TSSOP (PW) 16 View options
VQFN (RGA) 20 View options

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