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FR60 MB91460E Series - Microcontrollers - Fujitsu

FR60 MB91460E Series - Microcontrollers - Fujitsu

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<strong>MB91460E</strong> <strong>Series</strong><br />

(Continued)<br />

Parameter Symbol Pin name<br />

Reference voltage range<br />

Power supply current<br />

Reference voltage current<br />

* 1 : Supply current at AVCC5, if A/D converter and ALARM comparator are not operating,<br />

(VDD5 = AVCC5 = AVRH = 5.0 V)<br />

* 2 : Input current at AVRH5, if A/D converter is not operating, (VDD5 = AVCC5 = AVRH = 5.0 V)<br />

Sampling Time Calculation<br />

Tsamp = ( 2.6 kOhm + REXT) × 11pF × 7; for 4.5V ≤ AVCC5 ≤ 5.5V<br />

Tsamp = (12.1 kOhm + REXT) × 11pF × 7; for 3.0V ≤ AVCC5 ≤ 4.5V<br />

Conversion Time Calculation<br />

Tconv = Tsamp + Tcomp<br />

AVRH AVRH5<br />

Value<br />

Min Typ Max<br />

0.75 ×<br />

AVCC5<br />

AVRL AVSS5 AVSS5 ⎯<br />

⎯ AVCC5 V<br />

AVCC5 ×<br />

0.25<br />

IA AVCC5 ⎯ 2.5 5 mA<br />

IAH AVCC5 ⎯ ⎯ 5 µA<br />

IR AVRH5 ⎯ 0.7 1 mA<br />

IRH AVRH5 ⎯ ⎯ 5 µA<br />

Unit Remarks<br />

Definition of A/D converter terms<br />

• Resolution<br />

Analog variation that is recognizable by the A/D converter.<br />

• Nonlinearity error<br />

Deviation between actual conversion characteristics and a straight line connecting the zero transition point<br />

(00 0000 0000B ↔ 00 0000 0001B) and the full scale transition point (11 1111 1110B ↔ 11 1111 1111B).<br />

• Differential nonlinearity error<br />

Deviation of the input voltage from the ideal value that is required to change the output code by 1 LSB.<br />

• Total error<br />

This error indicates the difference between actual and theoretical values, including the zero transition error,<br />

full scale transition error, and nonlinearity error.<br />

160 DS705-00002-1v3-E<br />

V<br />

A/D Converter<br />

active<br />

A/D Converter<br />

not operated * 1<br />

A/D Converter<br />

active<br />

A/D Converter<br />

not operated * 2

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