MAX7221EWG Maxim Integrated Products, MAX7221EWG Datasheet - Page 13
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MAX7221EWG
Manufacturer Part Number
MAX7221EWG
Description
LED Drivers
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX7221CWG.pdf
(16 pages)
Specifications of MAX7221EWG
Number Of Digits
8
Number Of Segments
64
Low Level Output Current
320 mA
High Level Output Current
- 45 mA
Operating Supply Voltage
4 V to 5.5 V
Maximum Supply Current
330 mA
Maximum Power Dissipation
941 mW
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Package / Case
SOIC-24 Wide
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MAX7221EWG
Manufacturer:
MAXIM/美信
Quantity:
20 000
Figure 3. Cascading MAX7219/MAX7221s to Drive 16 Seven-Segment LED Digits
Serially Interfaced, 8-Digit LED Display Drivers
( ) MAX7221 ONLY
LOAD DATA
______________________________________________________________________________________
DATA IN
CLOCK
8
DIN
DIG 0
DIG 4
GND
DIG 6
DIG 2
DIG 3
DIG 7
GND
DIG 5
DIG 1
LOAD (CS)
SEG DP
SEG D
SEG C
SEG G
SEG B
SEG A
DOUT
SEG E
SEG F
ISET
CLK
V+
8
9.53kΩ
MAX7219
MAX7221
5V
0.1μF
8
DIN
DIG 0
DIG 4
GND
DIG 6
DIG 2
DIG 3
DIG 7
GND
DIG 5
DIG 1
LOAD (CS)
SEG DP
SEG D
SEG C
SEG G
SEG B
SEG A
SEG E
SEG F
DOUT
ISET
CLK
V+
8
9.53kΩ
MAX7219
MAX7221
5V
0.1μF
13