ADP5587 - Mobile I/O Expander And QWERTY Keypad Controller

Analog Devices

Datasheet Details

Part number	ADP5587
Manufacturer	Analog Devices
File Size	1.26 MB
Description	Mobile I/O Expander And QWERTY Keypad Controller
Datasheet	ADP5587_AnalogDevices.pdf

The ADP5587 is an I/O port expander and keypad matrix designed for QWERTY type phones that require a large keypad matrix and expanded I/O lines.

18-GPIO port expander or 10 × 8 keypad matrix GPIOs configurable as GPIs, GPOs, and keypad rows or columns I2C interface with auto-increment 1.65 V to 3.6 V operation Keypad lock capability Open-drain interrupt output Key press and key release interrupts GPI interrupt with level programmability Programmable pull-ups Key event counter with overflow interrupt 275 μs debounce on the reset line and GPIs 1 μA typical idle current 55 μA typical polling current 4 mm × 4 mm LFCSP package Small 2 mm x 2.

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Published: Feb 7, 2010 |