RA4M3 datasheet(64/92 Pages) RENESAS

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Table 2.36

A/D conversion characteristics for unit 0 (2 of 2)

Conditions: PCLKC = 1 to 50 MHz

Parameter

Min

Typ Max Unit Test conditions

High-precision normal-speed

channels

(AN006 to AN009, AN012,

AN013)

Conversion time*1

(Operation at PCLKC =

50 MHz)

Permissible signal

source impedance

Max. = 1 kΩ

0.92 (0.66)*2 —

—

μs

Sampling in 33

states

Offset error

—

±1.0 ±2.5 LSB —

Full-scale error

—

±1.0 ±2.5 LSB —

Absolute accuracy

—

±2.0 ±4.5 LSB —

DNL differential nonlinearity error

—

±0.5 ±1.5 LSB —

INL integral nonlinearity error

—

±1.0 ±2.5 LSB —

Note:

These specification values apply when there is no access to the external memory during A/D conversion. If access occurs during

A/D conversion, values might not fall within the indicated ranges.

The use of PORT0 as digital outputs is not allowed when the 12-Bit A/D converter is used.

The characteristics apply when AVCC0, AVSS0, VREFH0/VREFH, VREFL0, VREFL, and 12-bit A/D converter input voltage are

stable.

Note:

When both unit0 and unit1 are used, do not select the following analog input combinations at the same time except the interleave

function. If selected, values might not fall within the indicated ranges.

● AN100 and AN000 or AN001 or AN002

● AN101 and AN000 or AN001 or AN002 or AN003

● AN102 and AN000 or AN001 or AN002 or AN003 or AN004

Note 1. The conversion time includes the sampling and comparison times. The number of sampling states is indicated for the test

conditions.

Note 2. Values in parentheses indicate the sampling time.

Table 2.37

A/D conversion characteristics for unit 1

Conditions: PCLKC = 1 to 50 MHz

Parameter

Min

Typ Max Unit Test conditions

Frequency

—

MHz —

Analog input capacitance

—

Quantization error

—

±0.5 —

LSB —

Resolution

—

Bits

—

High-precision high-speed

channels

(AN100 to AN102)

Conversion time*1

(Operation at PCLKC =

50 MHz)

Permissible signal

source impedance

Max. = 1 kΩ

0.52 (0.26)*2 —

—

μs

Sampling in 13

states

Max. = 400 Ω

0.40 (0.14)*2 —

—

μs

Sampling in 7 states

VCC = AVCC0 = 3.0

to 3.6 V

3.0 V ≤ VREFH ≤

AVCC0

Offset error

—

±1.0 ±2.5 LSB —

Full-scale error

—

±1.0 ±2.5 LSB —

Absolute accuracy

—

±2.0 ±4.5 LSB —

DNL differential nonlinearity error

—

±0.5 ±1.5 LSB —

INL integral nonlinearity error

—

±1.0 ±2.5 LSB —

Normal-precision normal-

speed channels

(AN116 to AN122)

Conversion time*1

(Operation at PCLKC =

50 MHz)

Permissible signal

source impedance

Max. = 1 kΩ

0.92 (0.66)*2 —

—

μs

Sampling in 33

states

Offset error

—

±1.0 ±5.5 LSB —

Full-scale error

—

±1.0 ±5.5 LSB —

Absolute accuracy

—

±2.0 ±7.5 LSB —

DNL differential nonlinearity error

—

±0.5 ±4.5 LSB —

INL integral nonlinearity error

—

±1.0 ±5.5 LSB —

RA4M3 Datasheet

2. Electrical Characteristics

R01DS0368EJ0120 Rev.1.20

Dec 2, 2020

Page 64 of 92

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