PRSP0016JC-B datasheet(45/85 Pages) RENESAS

45 / 85 page

RL78/G16

2. ELECTRICAL SPECIFICATIONS (TA

= −40 to +85°C)

R01DS0431EJ0130

Rev.1.30

Page 45 of 85

May 19, 2025

Caution 1.

Arrange wiring and insert the capacitor so that no noise appears on the power supply/ground line.

Caution 2.

Do not allow any pulses that rapidly change such as digital signals to be input/output to/from the

pins adjacent to the conversion pin during A/D conversion.

Caution 3.

Note that the internal reference voltage cannot be used as the reference voltage of the comparator

when the internal reference voltage is selected as the target for A/D conversion.

2.6.2

Comparator characteristics

[TA =

−40 to +85°C, 2.4 V ≤ VDD ≤ 5.5 V, VSS = 0 V]

Item

Symbol

Condition

MIN.

TYP.

MAX.

Unit

Input voltage range

IVREF

IVREFn pin input (CnVRF bit = 0)

VDD

− 1.4

Internal reference voltage (CnVRF bit = 1) Note 1

VREG

Note 2

IVCMP

IVCMPn pin input

−0.3

VDD + 0.3

Output delay

VDD = 3.0 V,

input slew rate >

50 mV/μs

High-speed mode

0.5

µs

Low-speed mode

2.0

µs

Operation stabilization

wait time

tCMP

100

µs

Note 1.

When the internal reference voltage is selected as the reference voltage of the comparator, the internal

reference voltage cannot be used as the target for A/D conversion.

Note 2.

Refer to 2.6.3 Temperature sensor/internal reference voltage characteristics.

Remark

n: Channel number (n = 0, 1)

2.6.3

Temperature sensor/internal reference voltage characteristics

[TA =

−40 to +85°C, 2.4 V ≤ VDD ≤ 5.5 V, VSS = 0 V]

Item

Symbol

Condition

MIN.

TYP.

MAX.

Unit

Temperature sensor

output voltage

VTMPS25

1.05

Internal reference

voltage

VREG

0.74

0.815

0.89

Temperature

coefficient

FVTMPS

Temperature dependence of the temperature sensor

voltage

−3.6

mV/°C

Operation

stabilization wait time

tAMP

A/D converter is used (ADS register = 0DH)

µs

Caution

The internal reference voltage cannot be simultaneously used by the A/D converter and the

comparator; only one of them must be selected.

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