MB91F467BA datasheet(105/127 Pages) CYPRESS

105 / 127 page

MB91460B Series

Document Number: 002-04608 Rev. *A

Page 104 of 126

15.4

A/D Converter Characteristics

(VDD5  AVCC5  3.0 V to 5.5 V, VSS5  AVSS5  0 V, TA  40 C to  125 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 kΩ

1.0



s

3.0 V ≤ AVCC5 ≤ 4.5 V,

REXT < 1 kΩ

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   125 C

Analog input voltage

range

VAIN

ANn

AVRL



AVRH

Offset between input

channels



ANn



4LSB

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