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CS5516-ASZ

16/20-bit bridge transducer A/D conveter

Cirrus Logic 

CS5516, CS5520

SPECIFICATION DEFINITIONS

Linearity Error

The deviation of a code from a straight line which extends between two fixed points on the

A/D converter transfer function. In unipolar mode, the straight line extends from one point

located 1⁄2 LSB below the first code transition, one count above all zeros; to the second point

located 1⁄2 LSB beyond the code transition to all ones. In bipolar mode, the straight line extends

from one point located 1⁄2 LSB beyond the code transition to all ones, passing through a point

1⁄2 LSB below code 8000(H) (16-bit); 80000(H) (20-bit); extending to beyond negative full

scale. Units are 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 form 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 AGND) 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

AGND) when in bipolar mode (BP/UP high). Units are in LSBs.

Contacting Cirrus Logic Support

For all product questions and inquiries contact a Cirrus Logic Sales Representative.

To find the one nearest to you go to www.cirrus.com

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