PC87591L datasheet(378/437 Pages) NSC

378 / 437 page

7.0 Device Specifications (Continued)

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378

Revision 1.07

7.4

ANALOG CHARACTERISTICS

7.4.1

ADC Characteristics

Voltage Measurement

Parameter

Symbol

Conditions1

Min

Typ

Max

Unit

Resolution

RES

Bit

Offset Error2

OERL

AD0-9:

12 mV

≤ V

IN ≤ 0.9 V

±0.25

LSB

OERH

AD0-9:

40 mV

≤ V

IN ≤ AVCC −0.8

±0.25

LSB

OERB

AD13:

0.9V

≤ V

IN ≤ AVCC −0.2

±0.25

LSB

OERV

AD10-12:

0.1V

≤ V

IN ≤ VFS

±0.25

LSB

Gain Error4

GERL

AD0-9:

12 mV

≤ V

IN ≤ 0.9 V

±0.75

LSB

GERH

AD0-9:

40 mV

≤ V

IN ≤ AVCC −0.8

±0.75

LSB

GERB

AD13:

0.9V

≤ V

IN ≤ AVCC −0.2

±0.75

LSB

GERV

AD10-12:

0.1V

≤ V

IN ≤ VFS

±0.75

LSB

Integral Non-linearity Error5

INLL

AD0-9:

12 mV

≤ V

IN ≤ 0.9 V

±0.5

LSB

INLH

AD0-9:

40 mV

≤ V

IN ≤ AVCC −0.8

±0.5

LSB

INLB

AD13:

0.9V

≤ V

IN ≤ AVCC −0.2

±0.5

LSB

INLV

AD10-12:

0.1V

≤ V

IN ≤ VFS

±0.5

LSB

Differential Non-linearity Error6

DNLL

AD0-9:

12 mV

≤ V

IN ≤ 0.9 V

±0.257

LSB

DNLH

AD0-9:

40 mV

≤ V

IN ≤ AVCC −0.8

±0.257

LSB

DNLB

AD13:

0.9V

≤ V

IN ≤ AVCC −0.2

±0.257

LSB

DNLV

AD10-12:

0.1V

≤ V

IN ≤ VFS

±0.257

LSB

External Inputs Accuracy8

EACUL

AD0-9:

12 mV

≤ V

IN ≤ 0.9 V

±1

LSB

EACUH

AD0-9:

40 mV

≤ V

IN ≤ AVCC −0.8

±1

LSB

PC87591L Datasheet(PDF) 378 Page - National Semiconductor (TI)

PC87591L Datasheet(HTML) 378 Page - National Semiconductor (TI)

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