RA4W1 datasheet(78/105 Pages) RENESAS

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R01DS0359EJ0100 Rev.1.00

Page 78 of 105

Mar 31, 2020

RA4W1 Datasheet

2. Electrical Characteristics

Note 1.

The internal reference voltage cannot be selected for input channels when AVCC0 < 2.0 V.

Note 2.

The 14-bit A/D internal reference voltage indicates the voltage when the internal reference voltage is input to the 14-bit A/D

converter.

Note 3.

This is a parameter for ADC14 when the internal reference voltage is used as a high-potential reference voltage.

Note 4.

This is a parameter for ADC14 when the internal reference voltage is selected for an analog input channel in ADC14.

Temperature sensor input

channel

Temperature sensor output

AVCC0 = 2.0 to 3.6 V

Table 2.47

A/D internal reference voltage characteristics

Conditions: VCC = AVCC0 = VREFH0 = 2.0 to 3.6 V*1

Parameter

Min

Typ

Max

Unit

Test conditions

Internal reference voltage input

channel*2

1.36

1.43

1.50

Frequency*3

2MHz

Sampling time*4

5.0

--µs

Table 2.46

14-bit A/D converter channel classification (2 of 2)

Classification

Channel

Conditions

Remarks

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