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參數(shù)資料
| 型號(hào)： | ICM7228CIPIZ |
| 廠商： | INTERSIL CORP |
| 元件分類： | 顯示驅(qū)動(dòng)器 |
| 英文描述： | 8-Digit, Microprocessor-Compatible, LED Display Decoder Driver |
| 中文描述： | LED DISPLAY DRIVER, PDIP28 |
| 封裝： | ROHS COMPLIANT, PLASTIC, MS-011AB, DIP-28 |
| 文件頁數(shù)： | 14/18頁 |
| 文件大小： | 310K |
| 代理商： | ICM7228CIPIZ |
14
ICM7228
SEGMENT
DATA
INTERDIGIT
BLANKING
SHUTDOWN
V
DD
P
COMMON
ANODE
SEGMENT
OUTPUT
≈
2k
V
SS
N
≈
75
FIGURE 12B. SEGMENT DRIVER
FIGURE 12. COMMON ANODE DISPLAY DRIVERS
DIGIT
STROBE
INTERDIGIT
BLANKING
SHUTDOWN
V
DD
P
COMMON
CATHODE
DIGIT
OUTPUT
≈
2k
V
SS
N
≈
15
FIGURE 13A. DIGIT DRIVER
SEGMENT
DATA
INTERDIGIT
BLANKING
SHUTDOWN
V
DD
≈
200mA
COMMON
CATHODE
SEGMENT
OUTPUT
≈
2k
N
V
SS
P
≈
2k
N
V
SS
N
100
NOTE: When SHUTDOWN goes low INTERDIGIT BLANKING also
stays low.
FIGURE 13B. SEGMENT DRIVER
FIGURE 13. COMMON CATHODE DISPLAY DRIVERS
V
DD
ICM7228A/C
SEGMENT
OUTPUT
DIGIT
OUTPUT
V
SS
UP TO
4A
10K
V
DD
V
SS
V
DD
V
DD
FIGURE 14. DRIVING HIGH CURRENT DISPLAY, COMMON
ANODE ICM7228A/C TO COMMON ANODE
V
DD
ICM7228B
100
SEGMENT
OUTPUT
DIGIT
OUTPUT
N
V
SS
≈
15
2N6034
14
(100mA
PEAK
)
2N2219
V
SS
V
DD
1.4A
PEAK
14mA
V
DD
FIGURE 15. DRIVING HIGH CURRENT DISPLAY, COMMON
CATHODE ICM7228B TO COMMON CATHODE
DISPLAY
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