MAX6952EAX Maxim Integrated Products, MAX6952EAX Datasheet - Page 4

• Manufacturer Part Number: MAX6952EAX
• Description: LED Drivers 5 x 7 Matrix LED Dis play Driver, 4-Digit
• Manufacturer: Maxim Integrated Products

Specifications of MAX6952EAX

• Number Of Digits: 4
• Number Of Segments: 140
• Low Level Output Current: 500000 uA
• High Level Output Current: 50000 uA
• Operating Supply Voltage: 2.7 V to 5.5 V
• Maximum Supply Current: 16000 uA
• Maximum Power Dissipation: 941.2 mW
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: SSOP-36
• Minimum Operating Temperature: - 40 C

4-Wire Interfaced, 2.7V to 5.5V,
4-Digit 5
(Typical application circuit, V+ = 3.3V, LED forward voltage = 2.4V, scan limit set to 4 digits, T
4
4.30
4.20
4.10
4.00
3.90
3.80
_______________________________________________________________________________________
-40
FREQUENCY vs. TEMPERATURE
-20
105
100
INTERNAL OSCILLATOR
V+ = 2.7V
95
90
85
80
2.5
V+ = 5V
TEMPERATURE (°C)
0
DEAD CLOCK OSCILLATOR FREQUENCY
3.0
20
✕
vs. SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
40
3.5
7 Matrix LED Display Driver
V+ = 3.3V
60
4.0
80
GROUND FOR
GROUND FOR
4.5
CATHODE
(PIN O14)
(PIN O3)
ANODE
5.0
4.4
4.3
4.2
4.1
4.0
3.9
3.8
3.7
3.6
5.5
WAVEFORMS AT O2 (PIN 3) AND O14
2.5
INTERNAL OSCILLATOR FREQUENCY
(PIN 28) 15/16 INTENSITY
vs. SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
3.5
220
m
s/div
Typical Operating Characteristics
4.5
1.01
1.00
0.99
0.98
0.97
0.96
0.95
5.5
2.5
SEGMENT SOURCE CURRENT
3.0
2.5
2.0
1.5
1.0
0.5
vs. SUPPLY VOLTAGE
A
0
SUPPLY VOLTAGE (V)
= +25°C, unless otherwise noted.)
3.5
0
4.0
200
INTERNAL OSCILLATOR
WAVEFORM AT OSC
4.5
TIMELINE (ns)
400
5.0
5.5
600
800