ML610Q419C datasheet(33/38 Pages) LAPIS

33 / 38 page

FEDL610Q419-07

ML610Q419/ML610Q419C

33/38

AC CHARACTERISTICS (RC Oscillation A/D Converter)

Condition for VDD=1.8 to 3.6V

(VDD=1.8 to 3.6V, AVDD =2.2 to 3.6V, VSS = AVSS = 0V, Ta = -20 to +70°C, unless otherwise specified)

Parameter

Symbol

Condition

Rating

Unit

Min.

Typ.

Max.

Oscillation resistor

RS0,RS1,RT0,

RT0-1,RT1

CS0, CT0, CS1

≥740pF

―

Ω

Oscillation frequency

VDD = 3.0V

fOSC1

Resistor for oscillation=1k

Ω

457.3

525.2

575.1

kHz

fOSC2

Resistor for oscillation=10k

Ω

53.48

58.18

62.43

kHz

fOSC3

Resistor for oscillation=100k

Ω

5.43

5.89

6.32

kHz

RS to RT oscillation

frequency ratio

VDD = 3.0V

Kf1

RT0, RT0-1, RT1=1k

Ω

7.972

9.028

9.782



Kf2

RT0, RT0-1, RT1=10k

Ω

0.981

1.019



Kf3

RT0, RT0-1, RT1=100k

Ω

0.099

0.101

0.104



1: Kfx is the ratio of the oscillation frequency by the sensor resistor to the oscillation frequency by the reference resistor on the

same conditions.

Kfx =

fOSCX(RT0-CS0 oscillation)

fOSCX(RT0-1-CS0 oscillation)

fOSCX(RT1-CS1 oscillation)

fOSCX(RS0-CS0 oscillation)

fOSCX(RS1-CS1 oscillation)

( x = 1, 2, 3 )

VDD

VDDL

VSS

RT0, RT0-1, RT1: 1kΩ/10kΩ/100kΩ

RS0, RS1: 10kΩ

CS0, CT0, CS1: 560pF

CVR0, CVR1: 820pF

RCM

Frequency measurement (fOSCX)

VIH

VIL

*1: Input logic circuit to determine the

specified measuring conditions.

CS0

RT0

IN1 CS1 RS1 RT1

RS0

RCT0

IN0

CVR0

CVR1

(Note 1)

ML610Q419C Datasheet(PDF) 33 Page - LAPIS Semiconductor Co., Ltd.

ML610Q419C Datasheet(HTML) 33 Page - LAPIS Semiconductor Co., Ltd.

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