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PCM1794DBRG4 Datasheet(PDF) 1 Page - Texas Instruments |
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PCM1794DBRG4 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 30 page PCM1794 SLES080C – MAY 2003 – REVISED NOVEMBER 2006 24BIT, 192kHz SAMPLING, ADVANCED SEGMENT, AUDIO STEREO DIGITALTOANALOG CONVERTER FEATURES D 24-Bit Resolution D Analog Performance: − Dynamic Range: 132 dB (9 V RMS, Mono) 129 dB (4.5 V RMS, Stereo) 127 dB (2 V RMS, Stereo) − THD+N: 0.0004% D Differential Current Output: 7.8 mA p-p D 8× Oversampling Digital Filter: − Stop-Band Attenuation: –130 dB − Pass-Band Ripple: ±0.00001 dB D Sampling Frequency: 10 kHz to 200 kHz D System Clock: 128, 192, 256, 384, 512, or 768 fS With Autodetect D Accepts 16- and 24-Bit Audio Data D PCM Data Formats: Standard, I2S, and Left-Justified D Optional Interface Available to External Digital Filter or DSP D Digital De-Emphasis D Digital Filter Rolloff: Sharp or Slow D Soft Mute D Zero Flag D Dual-Supply Operation: − 5-V Analog, 3.3-V Digital D 5-V Tolerant Digital Inputs D Small 28-Lead SSOP Package APPLICATIONS D A/V Receivers D DVD Players D Musical Instruments D HDTV Receivers D Car Audio Systems D Digital Multitrack Recorders D Other Applications Requiring 24-Bit Audio DESCRIPTION The PCM1794 is a monolithic CMOS integrated circuit that includes stereo digital-to-analog converters and support circuitry in a small 28-lead SSOP package. The data converters use TI’s advanced segment DAC architecture to achieve excellent dynamic performance and improved tolerance to clock jitter. The PCM1794 provides balanced current outputs, allowing the user to optimize analog performance externally. Sampling rates up to 200 kHz are supported. This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled with appropriate precautions. Failure to observe proper handling and installation procedures can cause damage. ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be more susceptible to damage because very small parametric changes could cause the device not to meet its published specifications. 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. BurrBrown Products from Texas Instruments Copyright 2006, Texas Instruments Incorporated PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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