MAX7221EWG Maxim Integrated Products, MAX7221EWG Datasheet - Page 12

• Manufacturer Part Number: MAX7221EWG
• Description: LED Drivers
• Manufacturer: Maxim Integrated Products

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

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