MAX7221EWG Maxim Integrated Products, MAX7221EWG Datasheet - Page 4

• 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
(V+ = +5V, T
4
__________________________________________Typical Operating Characteristics
_______________________________________________________________________________________
A
= +25°C, unless otherwise noted.)
10mA/div
830
820
810
800
790
780
770
760
750
740
730
0
4.0
MAXIMUM INTENSITY = 31/32
SEGMENT OUTPUT CURRENT
POSITIVE SUPPLY VOLTAGE
4.4
POSITIVE SUPPLY VOLTAGE (V)
SCAN FREQUENCY vs.
4.8
MAX7219
5μs/div
5.2
5.6
6.0
10mA/div
70
60
50
40
30
20
10
0
0
0
SEGMENT DRIVER OUTPUT CURRENT
MAXIMUM INTENSITY = 15/16
R
SEGMENT OUTPUT CURRENT
SET
1
vs. OUTPUT VOLTAGE
R
R
= 20kΩ
SET
SET
OUTPUT VOLTAGE (V)
= 40kΩ
= 10kΩ
MAX7221
2
5μs/div
3
4
5