7733 datasheet(280/940 Pages) RENESAS

tên linh kiện	7733

Giải thích chi tiết về linh kiện	16-BIT SINGLE-CHIP MICROCOMPUTER

PDF	940 Pages

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280 / 940 page

A-D CONVERTER

7733 Group User’s Manual

9–15

00016

00116

00216

00316

00416

00516

00616

1015

2025

3540

00716

00816

00916

Output code

(A-D conversion result)

Differential non-linearity error

Analog input voltage (mV)

1-LSB width with

A-D conversion characteristics

9.4.2 Differential non-linearity error

The differential non-linearity error indicates the difference between the 1-LSB step width (the ideal analog

input voltage width while the same output code is expected to output) of an A-D converter with ideal

characteristics and the actual measured step width (the actual analog input voltage width while the same

output code is output). For example, in the case of the 10-bit mode, when VREF = 5.12 V, the 1-LSB width

of an A-D converter with ideal characteristics is 5 mV, but if the differential non-linearity error is ±1 LSB,

the actual measured 1-LSB width is 0 to 10 mV. (Refer to section “16.1.4 A-D converter standard

characteristics.”)

9.4 Absolute accuracy and Differential non-linearity error

Fig. 9.4.2 Differential non-linearity error (when resolution = 10 bits)

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