TS8388BVFS datasheet(12/57 Pages) ATMEL

12 / 57 page

TS8388B

2144C–BDC–04/03

Digital Output

Coding

NRZ (Non Return to Zero) mode, ideal coding: does not include gain, offset, and linearity volt-

age errors.

Table 6. Digital Output Coding

Differential

Analog Input

Voltage Level

Digital Output

Out of

Range

Binary

GORB = VCC or Floating

Gray

GORB = GND

> +251 mV

> Positive full scale + 1/2 lsb

1 1 1 1 1 1 1 1

1 0 0 0 0 0 0 0

+251 mV

+249 mV

Positive full scale + 1/2 lsb

Positive full scale - 1/2 lsb

1 1 1 1 1 1 1 1

1 1 1 1 1 1 1 0

1 0 0 0 0 0 0 0

1 0 0 0 0 0 0 1

+126 mV

+124 mV

Positive 1/2 scale + 1/2 lsb

Positive 1/2 scale - 1/2 lsb

1 1 0 0 0 0 0 0

1 0 1 1 1 1 1 1

1 0 1 0 0 0 0 0

1 1 1 0 0 0 0 0

+1 mV

-1 mV

Bipolar zero + 1/2 lsb

Bipolar zero - 1/2 lsb

1 0 0 0 0 0 0 0

0 1 1 1 1 1 1 1

1 1 0 0 0 0 0 0

0 1 0 0 0 0 0 0

-124 mV

-126 mV

Negative 1/2 scale + 1/2 lsb

Negative 1/2 scale - 1/2 lsb

0 1 0 0 0 0 0 0

0 0 1 1 1 1 1 1

0 1 1 0 0 0 0 0

0 0 1 0 0 0 0 0

-249 mV

-251 mV

Negative full scale + 1/2 lsb

Negative full scale - 1/2 lsb

0 0 0 0 0 0 0 1

0 0 0 0 0 0 0 0

0 0 0 0 0 0 0 1

0 0 0 0 0 0 0 0

< -251 mV

< Negative full scale - 1/2 lsb

0 0 0 0 0 0 0 0

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