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MAX6952 Datasheet(Hoja de datos) 4 Page - Maxim Integrated Products

No. de Pieza. MAX6952
Descripción  4-Wire Interfaced, 2.7V to 5.5V, 4-Digit 5 .7 Matrix LED Display Driver
Descarga  21 Pages
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Fabricante  MAXIM [Maxim Integrated Products]
Página de inicio  http://www.maxim-ic.com
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 4 page
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4-Wire Interfaced, 2.7V to 5.5V,
4-Digit 5 7 Matrix LED Display Driver
4
_______________________________________________________________________________________
Typical Operating Characteristics
(Typical application circuit, V+ = 3.3V, LED forward voltage = 2.4V, scan limit set to 4 digits, TA = +25°C, unless otherwise noted.)
3.80
3.90
4.10
4.00
4.20
4.30
-40
0
-20
20
40
60
80
INTERNAL OSCILLATOR
FREQUENCY vs. TEMPERATURE
TEMPERATURE (
°C)
V+ = 3.3V
V+ = 2.7V
V+ = 5V
INTERNAL OSCILLATOR FREQUENCY
vs. SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
4.5
3.5
3.7
3.8
3.9
4.0
4.1
4.2
4.3
4.4
3.6
2.5
5.5
0
0.5
1.5
1.0
2.0
2.5
0
400
200
600
800
INTERNAL OSCILLATOR
WAVEFORM AT OSC
TIMELINE (ns)
80
85
95
90
100
105
2.5
3.5
3.0
4.0
4.5
5.0
5.5
DEAD CLOCK OSCILLATOR FREQUENCY
vs. SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
0.95
0.97
0.96
0.99
0.98
1.00
1.01
2.5
3.5
4.0
3.0
4.5
5.0
5.5
SEGMENT SOURCE CURRENT
vs. SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
WAVEFORMS AT O2 (PIN 3) AND O14
(PIN 28) 15/16 INTENSITY
GROUND FOR
ANODE
(PIN O14)
GROUND FOR
CATHODE
(PIN O3)
220
ms/div




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