MAX6952 MAXIM [Maxim Integrated Products], MAX6952 Datasheet - Page 4

• Manufacturer Part Number: MAX6952
• Description: 4-Wire Interfaced, 2.7V to 5.5V, 4-Digit 5 .7 Matrix LED Display Driver
• Manufacturer: MAXIM [Maxim Integrated Products]

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