R5F564MFDDFB datasheet(138/162 Pages) RENESAS

138 / 162 page

R01DS0173EJ0120 Rev.1.20

Page 138 of 162

Oct 20, 2022

RX64M Group

2. Electrical Characteristics

2.5

A/D Conversion Characteristics

Note:

The above specification values apply when there is no access to the external bus during A/D conversion. If access proceeds

during A/D conversion, values may not fall within the above ranges.

Note 1. The conversion time includes the sampling time and the comparison time. As the test conditions, the number of sampling states

is indicated.

Note 2. The value in parentheses indicates the sampling time.

Table 2.48

12-Bit A/D (Unit 0) Conversion Characteristics

Conditions: VCC = AVCC0 = AVCC1 = VCC_USB = VBATT = 2.7 to 3.6 V, 2.7 ≤ VREFH0 ≤ AVCC0,

VCC_USBA = AVCC_USBA = 3.0 to 3.6 V,

VSS = AVSS0 = AVSS1 = VREFL0 = VSS_USB = VSS1_USBA = VSS2_USBA = PVSS_USBA = AVSS_USBA = 0 V,

PCLKB = PCLKC = 1 MHz to 60 MHz, Ta = Topr, source impedance = 1.0 kΩ

Item

Min.

Typ.

Max.

Unit

Test Conditions

Resolution

—

Bit

Analog input capacitance

—

Channel-dedicated

sample-and-hold

circuits in use

(AN000 to AN002)

Conversion time*1

(Operation at PCLK = 60 MHz)

1.06

(0.40 + 0.25)*2

——

µs

 Sampling of channel-

dedicated sample-and-

hold circuits in 24 states

 Sampling in 15 states

Offset error

—

±1.5

±3.5

LSB

AN000 to AN002 = 0.25 V

Full-scale error

—

±1.5

±3.5

LSB

AN000 to AN002 =

VREFH0 –0.25 V

Quantization error

—

±0.5

—

LSB

Absolute accuracy

—

±2.5

±5.5

LSB

DNL differential nonlinearity error

—

±1.0

±2.0

LSB

INL integral nonlinearity error

—

±1.5

±3.0

LSB

Holding characteristics of sample-

and-hold circuits

——

µs

Dynamic range

0.25

—

VREFH0

– 0.25

Channel-dedicated

sample-and-hold

circuits not in use

(AN000 to AN007)

Conversion time*1

(Operation at PCLK = 60 MHz)

0.48

(0.267)*2

—

µs

Sampling in 16 states

Offset error

—

±1.0

±2.5

LSB

Full-scale error

—

±1.0

±2.5

LSB

Quantization error

—

±0.5

—

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

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