MAX7219EWG+T by Analog Devices

Serially Interfaced, 8-Digit, LED Display Drivers

Status: Active
Series: MAX7219
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock
The MAX7219/MAX7221 are compact, serial input/output common-cathode display drivers that interface 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 MAX7221 is compatible with SPI™, QSPI™, and MICROWIRE™, and has slew-rate-limited segment drivers to reduce EMI. A convenient 4-wire serial interface connects to all common µPs. Individual digits may be addressed and updated without rewriting the entire display. The MAX7219/MAX7221 also allow the user to select code-B decoding or no-decode for each digit. The devices include a 150µA low-power shutdown mode, analog and digital brightness control, a scan-limit register that allows the user to display from 1 to 8 digits, and a test mode that forces all LEDs on. For applications requiring 3V operation or segment blinking, refer to the MAX6951 data sheet.

Where to Buy

Prices starting from US$11.00

Distributor Stock
Logo for Analog Devices
Analog Devices
from US$11.00
30,209
in stock
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element14
from US$15.25
926
in stock
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Farnell
from US$12.48
926
in stock
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Features

10MHz Serial Interface
Individual LED Segment Control
Decode/No-Decode Digit Selection
150µA Low-Power Shutdown (Data Retained)
Digital and Analog Brightness Control
Display Blanked on Power-Up
Drive Common-Cathode LED Display
Slew-Rate Limited Segment Drivers for Lower EMI (MAX7221)
SPI, QSPI, MICROWIRE Serial Interface (MAX7221)
24-Pin DIP and SO Packages

Specifications

LCD or LED LED
Display Type Common Cathode
Interface Serial 3-Wire 10Mbit
Digits or Char. 8-Digit
Output Format 7 segment + DP
Fonts Code B
VSUPPLY (V) (min) 4
VSUPPLY (V) (max) 5.5
Package/Pins PDIP/24SOIC (W)/24
BudgetaryPrice (See Notes) 5.99

Last 6 months Inventory & Pricing History

MAX7219EWG+T Drivers & Interfaces by Analog Devices

LED DISPLAY DRIVER, -40 TO 85DEG C

Semiconductors - ICs
> Drivers & Interfaces
> Display Drivers
Status: Unknown
Series: -
RoHS: Compliant
Download Datasheet Visit Manufacturer Site View Pricing & Stock

Specifications

RoHS Compliant YES

Last 6 months Inventory & Pricing History

Alternative Descriptions

Serially Interfaced, 8-Digit, | Analog Devices

Frequently Asked Questions

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Is the MAX7219EWG+T RoHS compliant?

This part has not been flagged as RoHS Compliant.

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Authorised distributors including Analog Devices, element14 and Farnell have stock available or on a lead time for MAX7219EWG+T .

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