MB91F467DA datasheet(91/137 Pages) CYPRESS

91 / 137 page

Document Number: 002-04613 Rev. *A

Page 91 of 137

MB91460D Series

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)

(Continued)

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

μs

4.5 V

 AVCC5 

5.5 V

2.0

—

μs

3.0 V

 AVCC5 

4.5 V

Sampling time

Tsamp

—

0.4

—

μs

4.5 V

 AVCC5 

5.5 V,

REXT < 2 kΩ

1.0

—

μs

3.0 V

 AVCC5 

4.5 V,

REXT < 1 kΩ

Conversion time

Tconv

—

1.0

—

μs

4.5 V

 AVCC5 

5.5 V

3.0

—

μs

3.0 V

 AVCC5 

4.5 V

Input capacitance

CIN

ANn

—

Input resistance

RIN

ANn

——

2.6

kΩ

4.5 V

 AVCC5 

5.5 V

—

12.1

kΩ

3.0 V

 AVCC5 

4.5 V

Analog input leakage current

IAIN

ANn

 1—

 1

μATA =  25°C

 3—

 3

μATA =  105°C

Analog input voltage range

VAIN

ANn

AVRL

—

AVRH

Offset between input channels

—

ANn

—

LSB

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