MAX7360 - Maxim Integrated

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

Part No

MAX7360
Manufacturer

Maxim Integrated
ChipWorker Part#

CW481497270
RoHS

Lead free / RoHS Compliant
Description

I²C-Interfaced Key-Switch Controller and LED Driver/GPIOs with Integrated ESD ProtectionProvides 8kV Contact/15kV Air Gap Discharge IEC Standard ESD Protection on All Keys
Documentation

Datasheet

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MAX7360 Specifications

Attribute	Attribute Value

Part Number	MAX7360
Manufacturer	Maxim Integrated
ChipWorker Part#	CW481497270
Documentation	Datasheet
Case/Package	TQFN-40
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RoHS	RoHS Compliant

Product Description

Description
The MAX7360 I²C-interfaced peripheral provides microprocessors with management of up to 64 key switches, with an additional eight LED drivers/GPIOs that feature constant-current, PWM intensity control, and rotary switch control options.
The key-switch drivers interface with metallic or resistive switches with on-resistances up to 5kΩ. Key inputs are monitored statically, not dynamically, to ensure low-EMI operation. The MAX7360 features autosleep and autowake modes to further minimize the power consumption of the device. The autosleep feature puts the device in a low-power state (1µA typ) after a sleep timeout period. The autowake feature configures the MAX7360 to return to normal operating mode from sleep upon a keypress.
The key controller debounces and maintains a FIFO of keypress and release events (including autorepeat, if enabled). An interrupt (active-low INTK) output can be configured to alert keypresses, as they occur, or at maximum rate.
There are eight open-drain I/O ports, which can be used to drive LEDs. The maximum constant-current level for each open-drain port is 20mA. The intensity of the LED on each open-drain port can be individually adjusted through a 256-step PWM control. An input port pair (PORT6, PORT7) can be configured to accept 2-bit gray code inputs from a rotary switch. In addition, if not used for key-switch control, up to six column pins can be used as general-purpose open-drain outputs (GPOs) for LED drive or logic control.
The MAX7360 is offered in a 40-pin (5mm x 5mm) thin QFN package with an exposed pad, and a small 36-bump wafer level package (WLP) for cell phones, pocket PCs, and other portable consumer electronic applications. The MAX7360 operates over the -40°C to +85°C extended temperature range.

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