CS5523 データシートの表示（PDF） - Cirrus Logic

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CS5523

16-bit or 24-bit, 2/4/8-channel ADCs with PGIA

Cirrus Logic 

CS5521/22/23/24/28

3. SPECIFICATION DEFINITIONS

Linearity Error

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

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

the other endpoint 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.

Unipolar Offset

The deviation of the first code transition from the ideal (1/2 LSB above the voltage on the

AIN- pin.). When in unipolar mode (U/B bit = 1). Units are in LSBs.

Bipolar Offset

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

the voltage on the AIN- pin). When in bipolar mode (U/B bit = 0). Units are in LSBs.

DS317F6

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