R32C152 datasheet(108/133 Pages) RENESAS

108 / 133 page

REJ03B0231-0102 Rev.1.02 Nov 30, 2009

Page 108 of 130

R32C/152 Group

5. Electrical Characteristics

VCC =5V

Table 5.19

A/D Conversion Characteristics (VCC =AVCC =VREF =4.2 to 5.5V, 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 = 5 V

AN_0toAN_7,

AN0_0toAN0_7,

AN2_0toAN2_7,

AN15_0 to AN15_7,

ANEX0, ANEX1

±3

LSB

External op-amp

connection mode

±7

LSB

INL

Integral non-linearity

error

VREF = VCC = 5 V

AN_0toAN_7,

AN0_0toAN0_7,

AN2_0toAN2_7,

AN15_0 to AN15_7,

ANEX0, ANEX1

±3

LSB

External op-amp

connection mode

±7

LSB

DNL

Differential non-linearity

error

±1

LSB

—Offset error

±3

LSB

—

Gain error

±3

LSB

RLADDER Resistor ladder

VREF = VCC

420

tCONV

Conversion time

(10 bits)

φAD = 16 MHz, with sample and hold

function

2.06

µs

φAD = 16 MHz, without sample and hold

function

3.69

µs

tCONV

Conversion time

(8 bits)

φAD = 16 MHz, with sample and hold

function

1.75

µs

φAD = 16 MHz, without sample and hold

function

3.06

µs

tSAMP

Sampling time

φAD = 16 MHz

0.188

µs

VIA

Analog input voltage

VREF

φAD

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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