CS5321-BL(2005) 데이터 시트보기 (PDF) - Cirrus Logic
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CS5321-BL Datasheet PDF : 36 Pages
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CS5321/22
5. PARAMETER DEFINITIONS
Dynamic Range
The ratio of the full-scale (rms) signal to the broadband (rms) noise signal. Broadband noise is
measured with the input grounded within the bandwidth of 1 Hz to f3 Hz (See “CS5322
FILTER CHARACTERISTICS” on page 8). Units in dB.
Signal-to-Distortion
The ratio of the full-scale (rms) signal to the rms sum of all harmonics up to f3 Hz.
Units in dB.
Intermodulation Distortion
The ratio of the rms sum of the two test frequencies (30 and 50 Hz) which are each 6 dB down
from full-scale to the rms sum of all intermodulation components within the bandwidth of dc to
f3 Hz. Units in dB.
Full Scale Error
The ratio of the difference between the value of the voltage reference and analog input voltage
to the full scale span (two times the voltage reference value). This ratio is calculated after the
effects of offset and the external bias components are removed and the analog input voltage is
adjusted. Measurement of this parameter uses the circuitry illustrated in the System Connection
Diagram. Units in %.
Full Scale Drift
The change in the Full Scale value with temperature. Units in %/°C.
Offset
The difference between the analog ground and the analog voltage necessary to yield an output
code from the CS5321/22 of 000000(H). Measurement of this parameter uses the circuit
configuration illustrated in the System Connection Diagram. Units in mV.
Offset Drift
The change in the Offset value with temperature. Measurement of this parameter uses the
circuit configuration illustrated in the System Connection Diagram. Units in µV/°C.
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DS454F2
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