MB90F342ES datasheet(73/92 Pages) FUJITSU

73 / 92 page

MB90340E Series

DS07-13747-4E

A/D Converter

(TA

= −40 °C to +105 °C, 3.0 V ≤ AVRH − AVRL, VCC = AVCC = 5.0 V ± 10%, fCP ≤ 24 MHz, VSS = AVSS = 0 V)

*: If the A/D convertor is not operating, a current when CPU is stopped is applicable (VCC

= AVCC = AVRH = 5.0 V) .

Note: The accuracy gets worse as |AVRH

− AVRL| becomes smaller.

Parameter

Symbol

Value

Unit

Remarks

Min

Typ

Max

Resolution

⎯⎯

⎯

bit

Total error

⎯⎯

⎯

±3.0

LSB

Nonlinearity error

⎯⎯

⎯

±2.5

LSB

Differential

nonlinearity error

⎯⎯

⎯

±1.9

LSB

Zero reading

voltage

VOT

AN0 to AN23

AVRL

− 1.5 × LSB

AVRL

+ 0.5 × LSB

AVRL

+ 2.5 × LSB

Full scale reading

voltage

VFST

AN0 to AN23

AVRH

− 3.5 × LSB

AVRH

− 1.5 × LSB

AVRH

+ 0.5 × LSB

Compare time

⎯⎯

1.0

⎯

16500

μs

4.5 V

≤ AVCC ≤ 5.5 V

2.0

4.0 V

≤ AVCC < 4.5 V

Sampling time

⎯⎯

0.5

⎯

∞

μs

4.5 V

≤ AVCC ≤ 5.5 V

1.2

4.0 V

≤ AVCC < 4.5 V

Analog port input

current

IAIN

AN0 to AN23

−0.3

⎯+0.3

μA

Analog input

voltage range

VAIN

AN0 to AN23

AVRL

⎯

AVRH

Reference

voltage range

⎯

AVRH

AVRL

+ 2.7

⎯

AVCC

⎯

AVRL

⎯

AVRH

− 2.7

Power supply

current

AVCC

⎯

3.5

7.5

IAH

AVCC

⎯⎯

μA*

Reference

voltage current

AVRH

⎯

600

900

μA

IRH

AVRH

⎯⎯

μA*

Offset between

input channels

⎯

AN0 to AN23

⎯⎯

4LSB

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