MAX6975 Ver la hoja de datos (PDF) - Maxim Integrated
Número de pieza
componentes Descripción
Fabricante
MAX6975 Datasheet PDF : 23 Pages
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24-Output PWM LED Drivers
for Message Boards
MAX6975 Block Diagram
EXT. PNP
R LED OUTPUTS
R7 R6 R5 R4 R3 R2 R1 R0
G LED OUTPUTS
G7 G6 G5 G4 G3 G2 G1 G0
B LED OUTPUTS
B7 B6 B5 B4 B3 B2 B1 B0 EXT. PNP
MUX0
8-BIT
OUTPUT R CALDAC
ISET
R LED DRIVERS
R7–R0
8-BIT
G CALDAC
ISET
G LED DRIVERS
G7–G0
8-BIT
B CALDAC
ISET B LED DRIVERS
B7–B0
MUX1
OUTPUTS
LOADI
CLKI
DIN
PWM
COUNTERS
SYNC
CONTROL
8
0/1
8
5-BIT GLOBAL-INTENSITY PDM MODULATOR
14-BIT INDIVIDUAL PWM MODULATOR
8
888
24
CALIBRATION
5
DATA LATCH
336
5
GLOBAL-
INTENSITY
5 DATA LATCH
LOAD
OE
336
MUX0 PIXEL PWM OLD DATA LATCH
336
LOAD
OE
336
MUX1 PIXEL PWM OLD DATA LATCH
336
EN
MUX0 PIXEL PWM NEW DATA LATCH
MUX1 PIXEL PWM NEW DATA LATCH EN
336
336
SYNC DETECT
D Q1
336
MAX6975
336-BIT DATA SHIFT REGISTER
24-BIT NEW HEADER
SHIFT REGISTER
LOADO
CLKO
DOUT
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