ADP5585ACBZ-02-R7

Overview

The ADP5585ACBZ-02-R7 is a keypad decoder and I/O expander from Analog Devices, packaged in a 16-ball WLCSP. It provides 10 configurable input/output pins supporting up to a 5x5 matrix. The device operates on a supply voltage of 1.65 V to 3.6 V with an operating current of 1 µA to 90 µA depending on the scan configuration. It features an I2C interface with Fast Mode Plus support up to 1 MHz. Key specifications include a maximum power dissipation of 70 mW and an operating temperature range of -40°C to +85°C.

Feature Summary

• Built-in event FIFO for recording key presses, releases, and logic changes
• Configurable I/Os with selectable pull-up and pull-down resistors
• Integrated programmable logic blocks and PWM generators
• Supports multiple reset generator functions

Applications

• Smart phones and remote controls
• Cameras and portable devices
• Healthcare equipment
• Industrial instrumentation

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm pin configurations and internal resistor states. Ensure compatibility with the target system's I2C bus timing requirements and voltage levels before finalizing procurement decisions.

Selection Notes

Select this model when a 5x5 keypad matrix is required without default GPIO pull-ups. Compare against the ADP5585ACBZ-01-R7 if Row 5 expansion is needed or the ADP5585ACBZ-00-R7 if default pull-ups are preferred. Confirm package availability matches the design constraints.

Part Context

This component belongs to the ADP5585 series of I/O expanders designed to reduce processor load by handling keypad scanning internally. It integrates logic and reset generation capabilities to minimize external component count in space-constrained designs.

Replacement Considerations

Direct substitutes within the same family include ADP5585ACBZ-00-R7 and ADP5585ACBZ-01-R7. Verify that the alternative part number supports the required matrix size and I/O configuration before replacement.