(China (Mainland))
Product Summary
The MAX7219CWG+T is a compact, serial input/output common-cathode display driver that interfaces microprocessors (μPs) to 7-segment numeric LED displays of up to 8 digits, bar-graph displays, or 64 individual LEDs. Included on-chip are a BCD code-B decoder, multiplex scan circuitry, segment and digit drivers, and an 8x8 static RAM that stores each digit. Only one external resistor is required to set the segment current for all LEDs. The MAX7219CWG+T also allows the user to select code-B decoding or no-decode for each digit. It includes a 150μA low-power shutdown mode, analog and digital brightness control, a scanlimit register that allows the user to display from 1 to 8 digits, and a test mode that forces all LEDs on.
Parametrics
Absolute maximum ratings: (1)Voltage (with respect to GND): V+: -0.3V to 6V; DIN, CLK, LOAD, CS: -0.3V to 6V; All Other Pins: -0.3V to (V+ + 0.3V); (2)Current: DIG0–DIG7 Sink Current: 500mA; SEGA–G, DP Source Current: 100mA; (3)Continuous Power Dissipation (TA = +85℃): Narrow Plastic DIP (derate 13.3mW/℃; (4)above +70℃): 1066mW; Wide SO (derate 11.8mW/℃ above +70℃): 941mW; Narrow CERDIP (derate 12.5mW/℃ above +70℃): 1000mW; (5)Operating Temperature Ranges (TMIN to TMAX): 0℃ to +70℃; (6)Storage Temperature Range: -65℃ to +160℃; (7)Lead Temperature (soldering, 10s): +300℃.
Features
Features: (1)10MHz Serial Interface; (2)Individual LED Segment Control; (3)Decode/No-Decode Digit Selection; (4)150μA Low-Power Shutdown (Data Retained); (5)Digital and Analog Brightness Control; (6)Display Blanked on Power-Up; (7)Drive Common-Cathode LED Display; (8)24-Pin DIP and SO Packages.
Diagrams
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 MAX7219CWG+T |
Maxim Integrated Products |
LED Display Drivers 8-Digit LED Display Driver |
Data Sheet |
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