R7FA6T2AB3CNE datasheet(64/101 Pages) RENESAS

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Table 2.36

A/D conversion characteristics　(Oversampling mode and Hybrid mode) (1)

Parameter

Min

Typ

Max

Unit

Test conditions

Oversampling

mode and

Hybrid mode

Analog input

voltage range

Single-ended input voltage

VREFL0

—

VREFH0

—

Differential input voltage*1

-VREFH0

—

+VREFH0 V

—

Resolution

—

bit

—

Oversampling

period

Oversampling mode

0.16

—

µs

● ADCLK: 50 MHz

● Sampling time: 3 ADCLK

● Successive

approximation time: 5

ADCLK

● Without disconnection

detection assist function

● Signal source impedance:

50 Ω or less

Hybrid mode*3

0.18

—

µs

● ADCLK: 50 MHz

● Sampling time: 4 ADCLK

● Successive

approximation time: 5

ADCLK

● Without disconnection

detection assist function

● Signal source impedance:

50 Ω or less

Digital filter

characteristics

Sinc filter

Initial delay

—

/Fos

—

Group delay

—

Normalized

Cutoff

Frequency

—

0.033

—

Fin/Fos

—

Minimum

phase filter

Initial delay

—

/Fos

—

Group delay

—

Normalized

Cutoff

Frequency

—

0.116

—

Fin/Fos

—

Passband

ripple

—

<± 0.01 —

—

Note:

Fos is oversampling frequency. When in Hybrid mode, Fos is 1/ (the sum of the oversampling periods of each analog channel

assigned to the scan group).

Note 1. Differential input voltage is (AINP - AINN)

● AINP is input voltage of ANx, and VREFL0 ≤ AINP ≤ VREFH0.

● AINN is input voltage of ANy, and VREFL0 ≤ AINN ≤ VREFH0.

(x = 2i, y = 2i +1, i = 0, 1, 2… (any integer))

Note 2. See Figure 2.50 and Figure 2.51.

Note 3. Value per channel.

RA6T2 Datasheet

2. Electrical Characteristics

R01DS0400EJ0150 Rev.1.50

Jul 2, 2025

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