msm9223 Oki Semiconductor, msm9223 Datasheet - Page 10

• Manufacturer Part Number: msm9223
• Description: 27-bit Duplex/triplex Vfd Controller/driver With Digital Dimming, Adc And Keyscan
• Manufacturer: Oki Semiconductor

¡ Semiconductor
A/D Converter Characteristics
Keyscan Characteristics
Keyscan Timing
A/D Conversion Accuracy
Reference Voltage (V
Output Current
Input Voltage Range
Conversion Time/Channel
Keyscan Cycle Time
Keyscan Pulse Width
ROW1
ROW2
ROW3
ROW4
ROW5
Parameter
Parameter
REG
)
Keyscan Pulse
R2 = 10kW±5%, C2 = 27pF±5%
R2 = 10kW±5%, C2 = 27pF±5%
R2 = 10kW±5%, C2 = 27pF±5%
Width
Condition
Condition
Keyscan Cycle Time
—
—
—
—
(Ta = –40 to +85°C, V
(Ta = –40 to +85°C, V
Min.
GND
Min.
256
160
4.5
—
—
32
Typ.
Typ.
310
194
5.0
—
—
—
39
DD
DD
Max.
Max.
V
–10
394
246
= 8.0 to 18.0 V)
5.5
= 8.0 to 18.0 V)
±1
49
REG
MSM9223
Unit
Unit
10/24
LSB
mA
ms
ms
ms
V
V