CS5504-BS 查看數據表（PDF） - Cirrus Logic

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CS5504-BS

Low Power, 20-Bit A/D Converter

Cirrus Logic 

CS5504

CS5504

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 (BP/UP low). Units are in LSBs.

Bipolar Offset

The deviation of the mid-scale transition (011...111 to 100...000) from the ideal (1⁄2 LSB below

the voltage on the AIN- pin.) when in bipolar mode (BP/UP high). Units are in LSBs

22

DS126F21

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