R5F6451MLFD datasheet(105/122 Pages) RENESAS

105 / 122 page

R01DS0072EJ0120 Rev.1.20

Page 105 of 116

Aug 07, 2013

R32C/151 Group

5. Electrical Characteristics

VCC =3.3 V

Table 5.39

A/D Conversion Characteristics (VCC =AVCC =VREF =3.0 to 3.6V, VSS =AVSS =0 V,

Ta =Topr, and f(BCLK) = 32 MHz, unless otherwise noted)

Symbol

Characteristic

Measurement Condition

Value

Unit

Min.

Typ. Max.

—

Resolution

VREF = VCC

Bits

—

Absolute error

VREF = VCC = 3.3 V AN_0toAN_7,

AN0_0toAN0_7,

AN2_0toAN2_7,

AN15_0 to AN15_7,

ANEX0, ANEX1

±5

LSB

External op-amp

connection mode

±7

LSB

INL

Integral non-linearity

error

VREF = VCC = 3.3 V AN_0toAN_7,

AN0_0toAN0_7,

AN2_0toAN2_7,

AN15_0 to AN15_7,

ANEX0, ANEX1

±5

LSB

External op-amp

connection mode

±7

LSB

DNL

Differential non-

linearity error

VREF = VCC = 3.3 V

±1

LSB

—

Offset error

±3

LSB

—

Gain error

±3

LSB

RLADDER Resistor ladder

VREF = VCC

420



tCONV

Conversion time

(10 bits)

AD = 10 MHz,

with sample and hold function

3.3

µs

tCONV

Conversion time

(8 bits)

AD = 10 MHz,

with sample and hold function

2.8

µs

tSAMP

Sampling time

AD = 10 MHz

0.3

µs

VIA

Analog input voltage

VREF

AD

Operating clock

frequency

Without sample and hold function

0.25

MHz

With sample and hold function

MHz

RPU(AST) Pull-up resistor for

open-circuit detection

510



RPD(AST) Pull-down resistor for

open-circuit detection

510



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