R7FA6T2AB3CFP datasheet(63/101 Pages) RENESAS

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Table 2.35

A/D conversion characteristics (SAR mode) (2 of 2)

Parameter

Min

Typ

Max

Unit

Test conditions

SAR mode

High-precision middle-

speed channels

(AN012 to AN017)

Conversion

time*1

Normal

conversion

0.28

—

µs

● ADCLK: 50 MHz

● Sampling time: 9 ADCLK

● Successive

approximation time: 5

ADCLK

● Signal source

impedance: 50 Ω or less

With

Averaging

mode

(4-time

conversion)

1.12

—

µs

Offset error

—

±1.0

±1.5

LSB

—

Full-scale error

—

±1.0

±2.5

LSB

—

Absolute

accuracy

Normal

conversion

—

±4.0

±7.0

LSB

—

With

Averaging

mode

(4-time

conversion)

—

±3.0

±5.5

LSB

—

Total unadjusted error

(TUE)*4

—

±3.4

±4.4

LSB

—

DNL differential

nonlinearity error

—

-1 to

+1.5

-1 to

+2.5

LSB

—

INL integral nonlinearity

error

—

±2.0

±3.0

LSB

—

Normal-precision low-

speed channels

(AN020 to AN028)

Conversion

time*1

Normal

conversion

0.50

—

µs

● ADCLK: 50 MHz

● Sampling time: 20

ADCLK

● Successive

approximation time: 5

ADCLK

● Signal source

impedance: 50 Ω or less

With

Averaging

mode

(4-time

conversion)

2.00

—

µs

Offset error

—

±1.0

±2.5

LSB

—

Full-scale error

—

±1.5

±2.5

LSB

—

Absolute

accuracy

Normal

conversion

—

±5.5

±8.0

LSB

—

With

Averaging

mode

(4-time

conversion)

—

±5.5

±7.0

LSB

—

Total unadjusted error

(TUE)*4

—

±4.2

±5.3

LSB

—

DNL differential

nonlinearity error

—

-1 to

+1.5

-1 to

+2.5

LSB

—

INL integral nonlinearity

error

—

±2.0

±4.0

LSB

—

Note 1. Without channel-dedicated sample-and-hold circuits; The conversion time is the sum of the sampling time and the successive

approximation time. Each of the above state is indicated for the test conditions.

Note 2. With channel-dedicated sample-and-hold circuits; The conversion time is the sum of the sampling time of channel-dedicated

sample-and-hold circuits, the hold mode switching time, the sampling time and the successive approximation time. Each of the

above state is indicated for the test conditions.

Note 3. Channel-dedicated sample-and-hold circuits are not available in these channels.

Note 4. Excludes quantization error (±0.5 LSB).

RA6T2 Datasheet

2. Electrical Characteristics

R01DS0400EJ0150 Rev.1.50

Jul 2, 2025

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