MSM66579 datasheet(31/37 Pages) OKI

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PEDL66579-03

1Semiconductor

MSM66579 Family

31/37

A/D Converter Characteristics 1 (VDD = 4.5 to 5.5 V)

(Ta = –30 to 70°C, V

DD = VREF = 4.5 to 5.5 V, AGND = GND = 0 V)

Parameter

Symbol

Condition

Min.

Typ.

Max.

Unit

Resolution

—

Bit

Linearity error

——

±3

Differential linearity error

——

±2

Zero scale error

——

Full-scale error

Refer to measurement

circuit 1

Analog input source

impedance

I ≤ 5 kΩ

conv = 10.7 µs

——

–3

Cross talk

Refer to measurement

circuit 2

——

±1

LSB

Conversion time

CONV

Set according to

ADTM set data

10.7

—

µs/ch

A/D Converter Characteristics 2 (VDD = 2.4 to 3.6 V)

(Ta = –30 to 70°C, V

DD = VREF = 2.7 to 3.6 V, AGND = GND = 0 V)

Parameter

Symbol

Condition

Min.

Typ.

Max.

Unit

Resolution

—

Bit

Linearity error

——

±3

Differential linearity error

——

±2

Zero scale error

——

Full-scale error

Refer to measurement

circuit 1

Analog input source

impedance

I ≤ 5 kΩ

conv = 10.7 µs

——

–3

Cross talk

Refer to measurement

circuit 2

——

±1

LSB

Conversion time

CONV

Set according to

ADTM set data

27.4

—

µs/ch

[Note] The A/D conversion time should be set according to ADTV set data. Set the number of

conversion clock cycles according to frequencies of operation so that the A/D conversion time is

µs or more.

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