ICM7228CIBI Intersil, ICM7228CIBI Datasheet - Page 14

• Manufacturer Part Number: ICM7228CIBI
• Description: IC LED DISPLAY DRVR 8DGT 28-SOIC
• Manufacturer: Intersil

Specifications of ICM7228CIBI

• Display Type: LED
• Configuration: 7 Segment
• Digits Or Characters: 8 Digits
• Current - Supply: 200µA
• Voltage - Supply: 4 V ~ 6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Interface: -

NOTE: When SHUTDOWN goes low INTERDIGIT BLANKING also
stays low.
SHUTDOWN
SHUTDOWN
INTERDIGIT
SHUTDOWN
INTERDIGIT
INTERDIGIT
BLANKING
BLANKING
BLANKING
SEGMENT
SEGMENT
STROBE
FIGURE 13. COMMON CATHODE DISPLAY DRIVERS
DATA
DIGIT
DATA
FIGURE 12. COMMON ANODE DISPLAY DRIVERS
FIGURE 12B. SEGMENT DRIVER
FIGURE 13B. SEGMENT DRIVER
FIGURE 13A. DIGIT DRIVER
V
DD
14
V
SS
N
P
V
SS
≈
≈
N
N
2kΩ
2kΩ
100Ω
N
P
P
N
V
V
V
V
SS
SS
DD
DD
≈
≈
≈
≈
2kΩ
75Ω
2kΩ
15Ω
≈
200mA
COMMON
CATHODE
SEGMENT
OUTPUT
COMMON
ANODE
SEGMENT
OUTPUT
COMMON
CATHODE
DIGIT
OUTPUT
ICM7228
ICM7228B
ICM7228A/C
FIGURE 15. DRIVING HIGH CURRENT DISPLAY, COMMON
FIGURE 14. DRIVING HIGH CURRENT DISPLAY, COMMON
100Ω
V
V
DD
SS
V
V
V
V
SS
DD
DD
DD
≈
N
15Ω
SEGMENT
SEGMENT
OUTPUT
OUTPUT
OUTPUT
OUTPUT
ANODE ICM7228A/C TO COMMON ANODE
CATHODE ICM7228B TO COMMON CATHODE
DISPLAY
DIGIT
DIGIT
14mA
V
DD
10K
V
V
DD
SS
V
V
2N2219
14Ω (100mA
2N6034
DD
SS
UP TO
4A
1.4A
PEAK
PEAK
)