MB91F465KB datasheet(71/86 Pages) CYPRESS

71 / 86 page

MB91460K Series

Document Number: 002-04602 Rev. *A

Page 71 of 86

15.4

A/D Converter Characteristics

(VDD5  AVCC5  3.0 V to 5.5 V, VSS5  AVSS5  0 V, TA  40°C to  105°C)

Note: The accuracy gets worse as AVRH - AVRL becomes smaller

Parameter

Symbol

Pin name

Value

Unit

Remarks

Min

Typ

Max

Resolution

bit

Total error

 3

 3LSB

Nonlinearity error

 2.5

 2.5

LSB

Differential nonlinearity error

 1.9

 1.9

LSB

Zero reading voltage

VOT

ANn

AVRL



1.5 LSB

AVRL



0.5 LSB

AVRL



2.5 LSB

Full scale reading voltage

VFST

ANn

AVRH



3.5 LSB

AVRH



1.5 LSB

AVRH



0.5 LSB

Compare time

Tcomp

0.6

16,500

s

4.5 V

 AVCC5  5.5 V

2.0

s

3.0 V

 AVCC5  4.5 V

Sampling time

Tsamp

0.4

s

4.5 V

 AVCC5  5.5 V,

REXT < 2 k

1.0

s

3.0 V

 AVCC5  4.5 V,

REXT < 1 k

Conversion time

Tconv

1.0

s

4.5 V

 AVCC5  5.5 V

3.0

s

3.0 V

 AVCC5  4.5 V

Input capacitance

CIN

ANn

Input resistance

RIN

ANn

2.6



4.5 V

 AVCC5  5.5 V

12.1



3.0 V

 AVCC5  4.5 V

Analog input leakage

current

IAIN

ANn

 1

 1

ATA   25°C

 3

 3

ATA   105°C

Analog input voltage range

VAIN

ANn

AVRL

AVRH

Offset between input channels

ANn

4LSB

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