Overview
The ADP5589ACBZ-00-R7, produced by Analog Devices Inc., is a highly versatile integrated circuit designed to serve as a 19 I/O port expander with multiple integrated functions. This device is particularly useful in applications where there is a need to expand the number of input/output ports available to a processor, thereby reducing the load on the main processor and enhancing overall system efficiency. The ADP5589 includes features such as keypad matrix decoding, general-purpose I/O expansion, PWM generation, clock division, and dual logic function building blocks, making it suitable for a wide range of applications including portable devices, healthcare, industrial, and instrumentation systems.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage Range | VDD | 1.65 | - | 3.6 | V |
| Undervoltage Lockout Threshold (UVLO active, VDD falling) | UVLOVDD | 1.2 | 1.3 | 1.3 | V |
| Undervoltage Lockout Threshold (UVLO inactive, VDD rising) | UVLOVDD | 1.4 | 1.6 | 1.6 | V |
| Standby Current (VDD = 1.65 V) | ISTNBY | 1 | - | 4 | μA |
| Operating Current (One Key Press, VDD = 1.65 V) | ISCAN | 30 | 40 | 40 | μA |
| Operating Ambient Temperature Range | - | -40 | - | 85 | °C |
| Operating Junction Temperature Range | - | -40 | - | 125 | °C |
Key Features
- Keypad Matrix Decoding: Supports up to an 11-column by 8-row matrix.
- General-Purpose I/O Expansion: Up to 19 configurable input/output pins.
- PWM Generation: Integrated PWM generator for various applications.
- Clock Division: Ability to divide an externally supplied clock source.
- Dual Logic Function Building Blocks: Up to three inputs and one output for each block.
- Reset Generators: Two reset generators available.
- I2C Interface: Supports I2C communication protocol for easy integration with other devices.
- Package Type: 25-ball Wafer Level Chip Scale Package (WLCSP).
Applications
- Portable Devices: Suitable for use in phones, remote controls, and cameras.
- Healthcare: Used in various healthcare devices and systems.
- Industrial and Instrumentation: Applicable in industrial control systems and instrumentation devices.
- Other Non-Portable Applications: Can be used in any system requiring I/O expansion and keypad matrix decoding.
Q & A
- What is the primary function of the ADP5589?
The ADP5589 is primarily used as a 19 I/O port expander with integrated keypad matrix decoding, PWM generation, clock division, and other functions to support various applications.
- What is the operating voltage range of the ADP5589?
The operating voltage range is from 1.65 V to 3.6 V.
- What type of package does the ADP5589 come in?
The ADP5589 comes in a 25-ball Wafer Level Chip Scale Package (WLCSP).
- What communication protocol does the ADP5589 support?
The ADP5589 supports the I2C communication protocol.
- What is the maximum ambient temperature for the ADP5589?
The maximum ambient temperature is 85°C.
- Can the ADP5589 be used in industrial applications?
Yes, the ADP5589 is suitable for use in industrial and instrumentation applications.
- How many keypad matrix rows and columns can the ADP5589 support?
The ADP5589 can support up to an 11-column by 8-row keypad matrix.
- Does the ADP5589 have built-in reset generators?
Yes, the ADP5589 has two built-in reset generators.
- What is the purpose of the PWM generator in the ADP5589?
The PWM generator is used to generate pulse-width modulated signals for various applications.
- Can the I/O pins of the ADP5589 be configured?
Yes, each of the 19 I/O pins can be programmed to perform different functions such as keypad matrix decoding, general-purpose I/O, PWM generation, etc..
