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See Technical Specifications

MAX6954APL+ +BOM

4-Wire Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan

Manufacturer:

Analog Devices Inc.
Mfr.Part #:

MAX6954APL+
Datasheet:

MAX6954APL+ Datasheet (PDF)
Series:

MAX6954
Number Of Digits:

16
Number Of Segments:

128
Mounting Style:

Through Hole
EDA/CAD Models:

Request Free CAD Models for MAX6954APL+

MAX6954APL+ General Description

The MAX6954 is a compact display driver that interfaces microprocessors to a mix of 7-segment, 14-segment, and 16-segment LED displays through an SPI- or QSPI-compatible 4-wire serial interface. The serial interface may be cascaded through multiple devices. The MAX6954 drives up to 16 digits 7-segment, 8 digits 14-segment, 8 digits 16-segment, or 128 discrete LEDs, while functioning from a supply voltage as low as 2.7V. The driver includes five I/O expander (or GPIO) lines, some or all of which may be configured as a key-switch reader, which automatically scans and debounces a matrix of up to 32 switches.

Key Features

High-Speed 26MHz SPI/QSPI/MICROWIRE^®-Compatible Serial Interface
2.7V to 5.5V Operation
Drives Up to 16 Digits 7-Segment, 8 Digits 14-Segment, 8 Digits 16-Segment, 128 Discrete LEDs, or a Combination of Digit Types
Drives Common-Cathode Monocolor and Bicolor LED Displays
Built-In ASCII 104-Character Font for 14-Segment and 16-Segment Digits and Hexadecimal Font for 7-Segment Digits
Automatic Blinking Control for each Segment
10µA (typ) Low-Power Shutdown (Data Retained)
16-Step Digit-by-Digit Digital Brightness Control
Display Blanked on Power-Up
Slew-Rate Limited Segment Drivers for Lower EMI
Five GPIO Port Pins Can Be Configured as Key-Switch Reader to Scan and Debounce Up to 32 Switches with n-Key Rollover
IRQ Output when a Key Input Is Debounced
36-Pin SSOP and 40-Pin DIP and TQFN Packages
Automotive Temperature Range Standard

Application

Audio/Video Equipment
Bar Graph Displays
Panel Meters
Set-Top Boxes
White Goods

Specifications

Product Category	LED Display Drivers	Series	MAX6954
Number of Digits	16	Number of Segments	128
Mounting Style	Through Hole	Operating Supply Voltage	2.7 V to 5.5 V
Supply Current - Max	30 mA	Minimum Operating Temperature	- 40 C
Maximum Operating Temperature	+ 125 C	Height	4.45 mm
High Level Output Current	55 mA	Length	52.71 mm
Low Level Output Current	935 mA	Pd - Power Dissipation	1.333 W
Product	LED Display Drivers	Product Type	LED Display Drivers
Factory Pack Quantity	10	Subcategory	Driver ICs
Width	14.61 mm	Part # Aliases	MAX6954
Unit Weight	0.210004 oz