R7KA8M2AFECAC datasheet(253/295 Pages) RENESAS

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Note 3. This value is based on a 12-bit resolution.

Table 2.101

A/D conversion characteristics (Oversampling mode)

Conditions: AVCC: 1.62 to 2.7 V, VCC: 1.62 to 2.7 V, VREFH0/VREFH: 1.62 V to AVCC

Parameter

Min Typ

Max

Unit Test conditions

Oversampling

mode

Single-ended

input

High-speed

channels

(AN000 to

AN005) (AN006

to AN011)

Offset error *3

—

±0.5

±4

LSB

● ADCLK: 50 MHz

● Sampling time: 22 ADCLK

● Successive approximation time:

10 ADCLK

● Signal source impedance: 50 Ω

or less

● Digital filter: Sinc filter

Gain error

(Single/

Continuous

mode) *3

—

±1

±4

LSB

Gain error

(One-channel

continuous

mode) *3

—

±1

±5

LSB

DNL differential

nonlinearity

error*1 *2

—

-1 to +2 -1 to

+2.5

LSB

INL integral

nonlinearity

error*1

—

±4

±8

LSB

Middle-speed

channels

(AN012 to

AN015)

Offset error *3

—

±0.5

±4

LSB

● ADCLK: 50 MHz

● Sampling time: 28 ADCLK

● Successive approximation time:

10 ADCLK

● Signal source impedance: 50 Ω

or less

● Digital filter: Sinc filter

Gain error *3

—

±1

±4

LSB

DNL differential

nonlinearity

error*1 *2

—

-1 to +2 -1 to

LSB

INL integral

nonlinearity

error*1

—

±4

±8

LSB

Low-speed

channels

(AN016 to

AN022)

Offset error *3

—

±0.5

±4

LSB

● ADCLK: 50 MHz

● Sampling time: 40 ADCLK

● Successive approximation time:

10 ADCLK

● Signal source impedance: 50 Ω

or less

● Digital filter: Sinc filter

Gain error *3

—

±1

±4

LSB

DNL differential

nonlinearity

error*1 *2

—

-1 to +2 -1 to

LSB

INL integral

nonlinearity

error*1

—

±4

±12

LSB

Differential

input

High-speed

channels

(AN000 to

AN005) (AN006

to AN011)

Offset error *3

—

±0.25

±2

LSB

● ADCLK: 50 MHz

● Sampling time: 22 ADCLK

● Successive approximation time:

10 ADCLK

● Signal source impedance: 50 Ω

or less

● Digital filter: Sinc filter

Gain error

(Single/

Continuous

mode) *3

—

±0.5

±2

LSB

Gain error

(One-channel

continuous

mode) *3

—

±0.5

±2.5

LSB

DNL differential

nonlinearity

error*1 *2

—

-1 to +2 -1 to

+2.5

LSB

INL integral

nonlinearity

error*1

—

±3

±6

LSB

Note:

These specification values are applicable when only one ADC16H is operating, DAC12 and ACMPHS are not operating, and there

is no access to the external bus during A/D conversion.

If other ADC unit, DAC12, or ACMPHS is operating or bus access occurs during A/D conversion, values might not fall within the

indicated ranges.

The use of ports 0 as digital outputs is not allowed when the ADC16H is used.

The characteristics apply when AVCC0, AVSS0, VREFH0, VREFH, VREFL0, VREFL, and ADC16H input voltage is stable.

RA8M2 Datasheet

2. Electrical Characteristics

R01DS0438EJ0130 Rev.1.30

Feb 27, 2026

Page 253 of 295

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