ML9222 データシートの表示（PDF） - Oki Electric Industry

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ML9222

32-Bit Duplex/Triplex VFD Controller/Driver with Digital Dimming, ADC and Keyscan

Oki Electric Industry 

¡ Semiconductor

FEDL9222-02

ML9222

A/D Converter Characteristics

(Ta = –40 to +85°C, VDD = 8.0 to 18.0 V)

Parameter

Condition

Min. Typ. Max. Unit

A/D Conversion Accuracy

—

—

—

±1

LSB

Reference Voltage (VREG)

—

4.5

5.0

5.5

V

Output Current

—

—

—

–10 mA

Input Voltage Range

—

GND

—

VREG

V

Conversion Time/Channel

R2 = 10kW±5%, C2 = 27pF±5%

256 310 394

ms

Keyscan Characteristics

Parameter

Keyscan Cycle Time

Keyscan Pulse Width

(Ta = –40 to +85°C, VDD = 8.0 to 18.0 V)

Condition

Min. Typ. Max. Unit

R2 = 10kW±5%, C2 = 27pF±5%

160 194 246

ms

R2 = 10kW±5%, C2 = 27pF±5%

32

39

49

ms

Keyscan Timing

ROW1

ROW2

ROW3

ROW4

ROW5

Keyscan Cycle Time

Keyscan Pulse

Width

10/25

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