CS5394-KS Просмотр технического описания (PDF) - Cirrus Logic
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CS5394-KS Datasheet PDF : 22 Pages
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CS5394
PARAMETER DEFINITIONS
Dynamic Range
The ratio of the 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 ratio measurement over the
specified band width made with a -60 dBFS signal. 60 dB is added to resulting measurement to
refer the measurement to full-scale. This technique ensures that the distortion components are
below the noise level and do not effect the measurement. This measurement technique has been
accepted by the Audio Engineering Society, AES17-1991, and the Electronic Industries
Association of Japan, EIAJ CP-307. Expressed in decibels.
Total Harmonic Distortion + Noise
The ratio of the rms value of the signal to the rms sum of all other spectral components over
the specified band width (typically 10 Hz to 20 kHz), including distortion components.
Expressed in decibels. Measured at -1 and -20 dBFS as suggested in AES17-1991 Annex A.
Frequency Response
A measure of the amplitude response variation from 10 Hz to 20 kHz relative to the amplitude
response at 1 kHz. Units in decibels.
Interchannel Isolation
A measure of crosstalk between the left and right channels. Measured for each channel at the
converter’s output with no signal 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.
Offset Error
The deviation of the mid-scale transition (111...111 to 000...000) from the ideal. Units in mV.
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DS258PP4
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