MAX7221CWG+ - Maxim Integrated

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

MAX7221CWG+
Manufacturer

Maxim Integrated
ChipWorker Part#

CW8741959
Category

LED Driver, LED Display Driver
Package

SOIC-24
Description

MAXIM INTEGRATED PRODUCTS MAX7221CWG+ LED Driver, 4V to 5.5V input, 8Outputs, 10MHz Switch. Frequency, 4.5V/320mA out, SOIC-24
Documentation

Datasheet

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MAX7221CWG+ Specifications

Attribute	Attribute Value

Part Number	MAX7221CWG+
Manufacturer	Maxim Integrated
ChipWorker Part#	CW8741959
Category	LED Driver, LED Display Driver
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	24 Pin
Case/Package	SOIC-24
Supply Voltage (DC)	5.50V (max)
Number of Outputs	8 Output
Input Voltage (DC)	4.00V ~ 5.50V
Output Voltage	4.5 V
Output Current	320 mA
Supply Current	330 mA
Number of Positions	24 Position
Power Dissipation	941 mW
Switching Frequency	10 MHz
Input Voltage (Max)	5.5 V
Input Voltage (Min)	4 V
Output Current (Max)	320 mA
Operating Temperature (Max)	70 ℃
Operating Temperature (Min)	0 ℃
Power Dissipation (Max)	941 mW
Supply Voltage	4V ~ 5.5V
Input Voltage	4V ~ 5.5V
	expand all
Size-Length	15.6 mm
Size-Width	7.6 mm
Size-Height	2.35 mm
Operating Temperature	0℃ ~ 70℃
Product Lifecycle Status	Unknown
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free

Product Description

The MAX7221CWG+ is a compact, serial input/output common-cathode Display Driver that interface microprocessors (µPs) to 7-segment numeric LED displays of up to 8 digits. 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 MAX7221 also allow the user to select code-B decoding or no-decode for each digit.
10MHz Serial interface
Individual LED segment control
Decode/no-decode digit selection
150µA Low-power shutdown (data retained)
Digital and analogue brightness control
Display blanked on power-up
Drive common-cathode LED display
Slew-rate limited segment drivers for lower EMI
SPI, QSPI and MICROWIRE serial interface

expand all

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