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參數(shù)資料
| 型號： | MSM9223 |
| 廠商： | OKI SEMICONDUCTOR CO., LTD. |
| 英文描述： | 27-Bit Duplex/Triplex VFD Controller/Driver with Digital Dimming, ADC and Keyscan |
| 中文描述： | 27位雙/三層VFD控制器/驅(qū)動器，帶有數(shù)字調(diào)光，ADC和鍵盤掃描 |
| 文件頁數(shù)： | 2/25頁 |
| 文件大?。?/td> | 237K |
| 代理商： | MSM9223 |
Semiconductor
MSM9223
10/24
A/D Converter Characteristics
Keyscan Characteristics
Keyscan Timing
Parameter
A/D Conversion Accuracy
Condition
Typ.
Max.
Unit
—
±1
LSB
Reference Voltage (VREG)
—
5.0
5.5
V
Output Current
—
–10
mA
Input Voltage Range
—
VREG
V
Conversion Time/Channel
R2 = 10kW±5%, C2 = 27pF±5%
310
Min.
—
4.5
—
GND
256
394
m
s
(Ta = –40 to +85°C, VDD = 8.0 to 18.0 V)
Parameter
Keyscan Cycle Time
Condition
Typ.
Max.
Unit
R2 = 10kW±5%, C2 = 27pF±5%
194
246
m
s
Keyscan Pulse Width
R2 = 10kW±5%, C2 = 27pF±5%
39
Min.
160
32
49
m
s
(Ta = –40 to +85°C, VDD = 8.0 to 18.0 V)
ROW1
ROW5
ROW2
ROW3
ROW4
Keyscan Cycle Time
Keyscan Pulse
Width
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