PCM1771 Series
98dB SNR Low-Power Stereo DAC with HP Amplifier (H/W Control)
Manufacturer: Texas Instruments
Catalog
98dB SNR Low-Power Stereo DAC with HP Amplifier (H/W Control)
Key Features
• Multilevel DAC Including Headphone AmplifierAnalog Performance (VCC, VHP= 2.4 V):Dynamic Range: 98 dB TypTHD+N at 0 dB: 0.1% TypTHD+N at -20 dB: 0.04% TypOutput Power at RL= 16: 13 mW (Stereo), 26 mW (Monaural)1.6-V to 3.6-V Single Power SupplyLow Power Dissipation: 6.5 mW at VCC, VHP= 2.4 VSystem Clock: 128 fS, 192 fS, 256 fS, 384 fSSampling Frequency: 5 kHz to 50 kHzSoftware Control (PCM1770):16-, 20-, 24-Bit Word AvailableLeft-, Right-Justified, and I2SSlave/Master SelectableDigital Attenuation: 0 dB to -62 dB, 1 dB/Step44.1-kHz Digital De-EmphasisZero Cross AttenuationDigital Soft MuteMonaural Analog-In With MixingMonaural Speaker ModeHardware Control (PCM1771):Left-Justified and I2S44.1-kHz Digital De-EmphasisMonaural Analog-In With MixingPop-Noise-Free Circuit3.3-V TolerantPackages: TSSOP-16 and VQFN-20APPLICATIONSPortable Audio PlayerCellular PhonePDAOther Applications Requiring Low-Voltage OperationMultilevel DAC Including Headphone AmplifierAnalog Performance (VCC, VHP= 2.4 V):Dynamic Range: 98 dB TypTHD+N at 0 dB: 0.1% TypTHD+N at -20 dB: 0.04% TypOutput Power at RL= 16: 13 mW (Stereo), 26 mW (Monaural)1.6-V to 3.6-V Single Power SupplyLow Power Dissipation: 6.5 mW at VCC, VHP= 2.4 VSystem Clock: 128 fS, 192 fS, 256 fS, 384 fSSampling Frequency: 5 kHz to 50 kHzSoftware Control (PCM1770):16-, 20-, 24-Bit Word AvailableLeft-, Right-Justified, and I2SSlave/Master SelectableDigital Attenuation: 0 dB to -62 dB, 1 dB/Step44.1-kHz Digital De-EmphasisZero Cross AttenuationDigital Soft MuteMonaural Analog-In With MixingMonaural Speaker ModeHardware Control (PCM1771):Left-Justified and I2S44.1-kHz Digital De-EmphasisMonaural Analog-In With MixingPop-Noise-Free Circuit3.3-V TolerantPackages: TSSOP-16 and VQFN-20APPLICATIONSPortable Audio PlayerCellular PhonePDAOther Applications Requiring Low-Voltage Operation
Description
AI
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 multilevelarchitecture, 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 multilevelarchitecture, 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.
