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CS4365-EQZ Datasheet(PDF) 45 Page - Cirrus Logic |
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CS4365-EQZ Datasheet(HTML) 45 Page - Cirrus Logic |
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45 / 51 page  DS670PP1 45 CS4365 6. PARAMETER DEFINITIONS Total Harmonic Distortion + Noise (THD+N) The ratio of the rms value of the signal to the rms sum of all other spectral components over the specified bandwidth (typically 10 Hz to 20 kHz), including distortion components. Expressed in decibels. Dynamic Range The ratio of the full scale rms value of the signal to the rms sum of all other spectral components over the specified bandwidth. Dynamic range is a signal-to-noise measurement over the specified bandwidth made with a -60 dBFS signal. 60 dB is then added to the resulting measurement to refer the measure- ment to full scale. This technique ensures that the distortion components are below the noise level and do not affect the measurement. This measurement technique has been accepted by the Audio Engineer- ing Society, AES17-1991, and the Electronic Industries Association of Japan, EIAJ CP-307. Interchannel Isolation A measure of crosstalk between the left and right channels. Measured for each channel at the converter's output with all zeros to the input under test and a full-scale signal applied to the other channel. Units in decibels. Interchannel Gain Mismatch The gain difference between left and right channels. Units in decibels. Gain Error The deviation from the nominal full scale analog output for a full scale digital input. Gain Drift The change in gain value with temperature. Units in ppm/°C. 7. REFERENCES Note: "How to Achieve Optimum Performance from Delta-Sigma A/D & D/A Converters" by Steven Harris. Paper presented at the 93rd Convention of the Audio Engineering Society, October 1992. Note: CDB4365 Datasheet Note: “Design Notes for a 2-Pole Filter with Differential Input” by Steven Green. Cirrus Logic Application Note AN48 Note: “The I2C-Bus Specification: Version 2.0” Philips Semiconductors, December 1998. http://www.semiconductors.philips.com 8. ORDERING INFORMATION Product Description Package Pb-Free Grade Temp Range Container Order # CS4365 114 dB, 192 kHz 6- channel D/A Converter 48-pin LQFP YES Commercial -10° to +70° C Tray CS4365-CQZ Tape & Reel CS4365-CQZR Automotive -40° to +105° C Tray CS4365-EQZ Tape & Reel CS4365-EQZR CDB4365 CS4365 Evaluation Board - - - - CDB4365 |
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