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MAX6956AAI, MAX6956AAIT, MAX6956AAX

Table of contents:
Info of MAX6956AAI
Info of MAX6956AAIT
Info of MAX6956AAX

MAX6956AAI, MAX6956AAIT, MAX6956AAX Selling Leads, Datasheet

MFG:Maxim Integrated Products Category:Integrated Circuits (ICs) Package Cooled:SSOP28 D/C:0740+

MAX6956AAI, MAX6956AAIT, MAX6956AAX Datasheet download

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Part Number: MAX6956AAI

Category: Integrated Circuits (ICs)

MFG: Maxim Integrated Products

Package Cooled: SSOP28

D/C: 0740+

Description: IC DRIVER LED PORT 20/28 28-SSOP

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MAX6956AAI Parameters

Technical/Catalog Information	MAX6956AAI
Vendor	Maxim Integrated Products
Category	Integrated Circuits (ICs)
Package / Case	28-SSOP
Digits or Characters	-
Configuration	-
Display Type	LED
Interface	I²C
Packaging	Tube
Current - Supply	180μA
Voltage - Supply	2.5 V ~ 5.5 V
Lead Free Status	Contains Lead
RoHS Status	RoHS Non-Compliant
Other Names	MAX6956AAI MAX6956AAI

MAX6956AAI General Description

The MAX6956 compact, serial-interfaced LED displaydriver/I/O expander provide microprocessors with up to28 ports.Each port is individually user configurable toeither a logic input, logic output, or common-anode(CA) LED.constant-current segment driver. Each portconfigured as an LED segment driver behaves as a digitally controlled constant-current sink, with 16 equal current steps from 1.5mA to 24mA. The LED drivers are suitable for both discrete LEDs and CA numeric and alphanumeric LED digits.

Each port configured as a general-purpose I/O (GPIO)can be either a push-pull logic output capable of sink-ing 10mA and sourcing 4.5mA, or a Schmitt logic input with optional internal pullup. Seven ports feature config-urable transition detection logic, which generates aninterrupt upon change of port logic level. The MAX6956 is controlled through an I²C™-compatible 2-wire serial interface, and uses four-level logic to allow 16 I²Caddresses from only 2 select pins.

The MAX6956AAX and MAX6956ATL have 28 portsand are available in 36-pin SSOP and 40-pin thin QFN packages, respectively. The MAX6956AAI and MAX6956ANIhave 20 ports and are available in 28-pin SSOP and 28-pin DIP packages, respectively.For an SPI-interfaced version, refer to the MAX6957 data sheet. For a lower cost pin
compatible port expander without the constant-current LED drive capa-bility, refer to the MAX7300 data sheet.

MAX6956AAI Maximum Ratings

Voltage (with Respect to GND)
V+.......................................................................................-0.3V to +6V
SCL, SDA, AD0, AD1.............................................................-0.3V to +6V
All Other Pins...........................................................-0.3V to (V+ + 0.3V)
P4–P31 Current ........................................................................±30mA
GND Current.................................................................................800mA
Continuous Power Dissipation
     28-Pin PDIP (derate 20.8mW/°C above T_A= +70°C)..........1667mW
     28-Pin SSOP (derate 9.5mW/°C above TA= +70°C).............762mW
     36-Pin SSOP (derate 11.8mW/°C above TA= +70°C)...........941mW
     40-Pin QFN (derate 26.3mW/°C above TA= +70°C)...........2105mW
Operating Temperature Range
     (TMINto TMAX).......................................................-40°C to +125°C
Junction Temperature.................................................................+150°C
Storage Temperature Range......................................-65°C to +150°C
Lead Temperature (soldering, 10s)............................................+300°C

MAX6956AAI Features

◆ 400kbps I²C-Compatible Serial Interface
◆ 2.5V to 5.5V Operation
◆ -40°C to +125°C Temperature Range
◆ 20 or 28 I/O Ports, Each Configurable as
    Constant-Current LED Driver
    Push-Pull Logic Output
    Schmitt Logic Input
◆ 11µA (max) Shutdown Current
◆ 16-Step Individually Programmable Current
    Control for Each LED
◆ Logic Transition Detection for Seven I/O Ports

MAX6956AAI Connection Diagram

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