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PCM1774RGPT Datasheet(PDF) 1 Page - Texas Instruments |
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PCM1774RGPT Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 49 page  BurrBrown Products from Texas Instruments FEATURES APPLICATIONS DESCRIPTION PCM1774 SLAS551 – JULY 2007 16-Bit, Low-Power Stereo Audio DAC With Analog Mixing, Line and Headphone Outputs • 2 (I2C™) or 3 (SPI) Wire Serial Control • Analog Front End: • Programmable Function by Register Control: – Stereo Single-Ended Input – Digital Attenuation: 0 dB to –62 dB – Microphone Amplifier (12 dB, 20 dB) – Digital Gain of DAC: 0, 6, 12, 18 dB • Analog Back End: – Power Up/Down Control for Each Module – Stereo/Mono Line Output With Volume – 6-dB to –70-dB Gain for Analog Outputs – Stereo/Mono Headphone Amplifier With – 0/12/20 dB for Microphone Input Volume – 0-dB to –21-dB Gain for Analog Mixing • Analog Performance: – Three-Band Tone Control and 3D Sound – Dynamic Range: 93 dB – Analog Mixing Control – 40-mW + 40-mW Headphone Output at • Pop-Noise Reduction Circuit RL = 16 Ω • Short Protection Circuit • Power Supply Voltage • Package: 4-mm × 4-mm QFN Package – 1.71 V to 3.6 V for Digital I/O Section • Operation Temperature Range: –40°C to 85°C – 1.71 V to 3.6 V for Digital Core Section – 2.4 V to 3.6 V for Analog Section • Portable Audio Player, Cellular Phone – 2.4 V to 3.6 V for Power Amplifier Section • Video Camcorder, Digital Still Camera • Low Power Dissipation: • PMP/DMB/PND – 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 The PCM1774 is a low-power stereo DAC designed • Operation From a Single Clock Input Without for portable digital audio applications. The device PLL integrates headphone amplifier, line amplifier, line • System Clock: input, boost amplifier, programmable gain control, analog mixing, and sound effects. It is available in a – Common-Audio Clock (256 fS/384 fS), 12/24, small-footprint, 4-mm × 4-mm QFN package. The 13/26, 13.5/27, 19.2/38.4, 19.68/39.36 MHz 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. Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. I2C is a trademark of Philips Electronics. PRODUCTION DATA information is current as of publication date. Copyright © 2007, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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