MAX7221EWG Maxim Integrated Products, MAX7221EWG Datasheet - Page 12
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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
Serially Interfaced, 8-Digit LED Display Drivers
Figure 2. MAX7219/MAX7221 Driving 2.3in Displays
12
______________________________________________________________________________________
5.6V ±5%
1N5524B
LOAD (CS)
DATA IN
*4.7kΩ PULLUP REQUIRED FOR MAX7221
( ) MAX7221 ONLY
CLOCK
12
13
23
21
20
17
16
15
14
22
10
4
9
1
5
7
9
6
4
2
3
SEG D
SEG E
SEG C
SEG G
SEG B
SEG F
SEG A
SEG DP
GND
GND
DIN
LOAD (CS)
CLK
ANODE DP
ANODE A
ANODE F
ANODE B
ANODE G
ANODE C
ANODE E
ANODE D
AND2307SLC
CATHODE
MAX7219
MAX7221
8
DIG 1
DIG 0
I
SFT
V+
19
18
11
2
*
*
30kΩ
10
4
7
1
2
9
NC1
NC2
IN1
IN2
NO1
NO2
0.1μF
10
16
MAX394
5
7
9
6
4
2
3
5
-5V
5V
ANODE DP
ANODE A
ANODE F
ANODE B
ANODE G
ANODE C
ANODE E
ANODE D
4.7kΩ
4.7kΩ
COM1
COM2
AND2307SLC
CATHODE
3
8
8
IRF540
IRF540