R7KA8M2AFECAC datasheet(238/295 Pages) RENESAS

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Table 2.94

A/D conversion characteristics (SAR mode : External VDD mode) (3 of 6)

Conditions: AVCC: 2.7 to 3.63 V, VCC: 2.7 to 3.63 V, VREFH0/VREFH: 2.7 V to AVCC

Parameter

Min

Typ

Max

Unit

Test conditions

SAR

mode

Single-ended

input

Normal mode

Middle-speed channels

(AN012 to AN015)

Conversion

time*1

0.28

—

µs

● ADCLK: 50 MHz

● Sampling time: 9 ADCLK

● Successive approximation time:

5 ADCLK

● Signal source impedance: 50 Ω

or less

Offset error

—

±1.5

±6.5

LSB

—

Full-scale

error

—

±1.5

±6.5

LSB

—

Absolute

accuracy

—

±4

±11

LSB

—

DNL

differential

nonlinearity

error *3

—

±1

-1 to

+1.5

LSB

—

INL integral

nonlinearity

error

—

±2

±3

LSB

—

Low-speed channels (AN016

to AN022)

Conversion

time*1

0.5

—

µs

● ADCLK: 50 MHz

● Sampling time: 20 ADCLK

● Successive approximation time:

5 ADCLK

●

Signal source impedance: 50 Ω

or less

Offset error

—

±1.5

±6.5

LSB

—

Full-scale

error

—

±1.5

±6.5

LSB

—

Absolute

accuracy

—

±5.5

±11

LSB

—

DNL

differential

nonlinearity

error *3

—

±1

-1 to

+1.5

LSB

—

INL integral

nonlinearity

error

—

±2

±4

LSB

—

RA8M2 Datasheet

2. Electrical Characteristics

R01DS0438EJ0130 Rev.1.30

Feb 27, 2026

Page 238 of 295

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