CS5540-AS 查看數據表（PDF） - Cirrus Logic

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CS5540-AS

Low-Power, Low-Voltage, 24 - Bit ∆Σ ADC

Cirrus Logic 

CS5540

4. SPECIFICATION DEFINITIONS

Linearity Error

The deviation of a code from a straight line which connects the two end points of the A/D

Converter transfer function. One end point is located 1/2 LSB below the first code transition

and the other end point is located 1/2 LSB beyond the code transition to all ones. Units in

percent of full-scale.

Differential Nonlinearity

The deviation of a code’s width from the ideal width. Units in LSBs.

Full Scale Error

The deviation of the last code transition from the ideal [{(VREF+) - (VREF-)} - 3/2 LSB].

Units are in LSBs.

Offset Error

The deviation of the mid-scale transition (111...111 to 000...000) from the ideal (1/2 LSB below

zero volts differential between the AIN+ and AIN- pins). Units are in LSBs.

DS503PP1

19

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