ML9227 Ver la hoja de datos (PDF) - Oki Electric Industry

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Fabricante

ML9227

27-Bit Duplex/Triplex VFD Controller/Driver with Digital Dimming, ADC and Key scan

Oki Electric Industry 

OKI Semiconductor

FEDL9227-01

ML9227

ABSOLUTE MAXIMUM RATINGS

Parameter

Supply Voltage

Input Voltage

Power Dissipation

Storage Temperature

Output Current

Symbol

Condition

Rating

Unit

VDISP

—

–0.3 to +20

V

VIN

—

–0.3 to +6.0

V

PD

Ta = 85 °C QFP64-P-1420-1.00-BK

250

mW

TSTG

—

–55 to +150

°C

lO1

SEG1 to 19

–10.0 to +2.0

mA

lO2

SEG20 to 27

–20.0 to +2.0

mA

lO3

GRID1 to 3

–10.0 to +20.0

mA

lO4

DIM OUT, SYNC OUT1, SYNC OUT2

–2.0 to +2.0

mA

RECOMMENDED OPERATING CONDITIONS

Parameter

Symbol

Condition

Min.

Driver Supply Voltage

VDISP

—

8.0

High Level Input Voltage

VIH

All inputs except OSC0

3.8

Low Level Input Voltage

Clock Frequency

Oscillation Frequency

VIL

All inputs except OSC0

—

fC

—

—

fOSC R = 10 kΩ ±5%, Co= 27 pF ±5% 2.2

Frame Frequency

R = 10 kΩ ±5%

1/3 Duty

179

fFR

Co = 27 pF ±5%

1/2 Duty

268

Operating Temperature

TOP

—

–40

Typ. Max. Unit

13.0 18.5

V

—

—

V

—

0.8

V

—

2.0 MHz

3.3

4.4 MHz

269

358

Hz

403

538

Hz

—

+85

°C

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