Overview
The ADG728BRUZ is a CMOS analog matrix switch produced by Analog Devices Inc. This component is part of the ADG728 series, which features an 8-channel matrix switch. It is designed to operate as either a multiplexer, demultiplexer, or switch array, making it versatile for various applications. The device utilizes a 2-wire serial interface compatible with the I2C™ interface standard, allowing for easy integration into complex systems. The ADG728BRUZ is packaged in a 16-pin TSSOP and is suitable for a wide range of analog signal switching needs.
Key Specifications
| Parameter | Typical Value | Maximum Value | Unit | Test Conditions/Comments |
|---|---|---|---|---|
| Analog Signal Range | 0 V to VDD | 0 V to VDD | V | VDD = 5 V ± 10%, GND = 0 V |
| On Resistance (RON) | 2.5 Ω | 4.5 Ω | Ω | VS = 0 V to VDD, IS = 10 mA |
| On-Resistance Match Between Channels (∆RON) | 0.4 Ω | 0.8 Ω | Ω | VS = 0 V to VDD, IS = 10 mA |
| On-Resistance Flatness (RFLAT(ON)) | 0.75 Ω | 1.2 Ω | Ω | VS = 0 V to VDD, IS = 10 mA |
| Source OFF Leakage (IS (OFF)) | ±0.01 nA | ±0.1 nA | nA | VDD = 5.5 V, VD = 4.5 V/1 V, VS = 1 V/4.5 V |
| Drain OFF Leakage (ID (OFF)) | ±0.01 nA | ±0.1 nA | nA | VDD = 5.5 V, VD = 4.5 V/1 V, VD = 1 V/4.5 V |
| Operating Temperature Range | -40°C to +85°C | -40°C to +85°C | °C | Industrial (B Version) |
| Supply Voltage (VDD) | 3 V to 5.5 V | 3 V to 5.5 V | V | |
| Supply Current (IDD) | 10 µA | 20 µA | µA | Digital Inputs = 0 V or 5.5 V |
Key Features
- 8-Channel Matrix Switch: The ADG728BRUZ features an 8-channel matrix switch, allowing for multiple signal paths to be controlled.
- 2-Wire Serial Interface: Compatible with the I2C™ interface standard, making it easy to integrate into systems with existing I2C infrastructure.
- Low On-Resistance: Typical on-resistance of 2.5 Ω and maximum of 4.5 Ω, ensuring minimal signal degradation.
- Matched On-Resistance: On-resistance is closely matched between switches, reducing channel-to-channel variations.
- Wide Analog Signal Range: The input signal range extends to the supplies, allowing for a wide range of analog signals to be switched.
- Low Power Consumption: Supply current of 10 µA typical and 20 µA maximum, making it suitable for power-sensitive applications.
- Compact Packaging: Packaged in a 16-pin TSSOP, which is space-efficient and suitable for dense PCB designs.
Applications
- Audio and Video Switching: Ideal for switching audio and video signals in consumer electronics and professional audio/video equipment.
- Medical Devices: Suitable for medical devices that require precise and reliable signal switching, such as in diagnostic equipment.
- Industrial Automation: Used in industrial automation for controlling and switching various analog signals in process control systems.
- Test and Measurement Equipment: Employed in test and measurement equipment to switch between different signal sources and measurement paths.
- Automotive Systems: Applicable in automotive systems for signal switching in infotainment, navigation, and other control systems.
Q & A
- What is the ADG728BRUZ?
The ADG728BRUZ is a CMOS analog matrix switch with an 8-channel configuration, produced by Analog Devices Inc.
- What type of interface does the ADG728BRUZ use?
The ADG728BRUZ uses a 2-wire serial interface compatible with the I2C™ interface standard.
- What is the typical on-resistance of the ADG728BRUZ?
The typical on-resistance of the ADG728BRUZ is 2.5 Ω.
- What is the operating temperature range of the ADG728BRUZ?
The operating temperature range of the ADG728BRUZ is -40°C to +85°C.
- What is the supply voltage range for the ADG728BRUZ?
The supply voltage range for the ADG728BRUZ is 3 V to 5.5 V.
- How many channels does the ADG728BRUZ have?
The ADG728BRUZ has 8 channels.
- What is the package type of the ADG728BRUZ?
The ADG728BRUZ is packaged in a 16-pin TSSOP.
- What are some common applications of the ADG728BRUZ?
Common applications include audio and video switching, medical devices, industrial automation, test and measurement equipment, and automotive systems.
- How does the ADG728BRUZ handle signal leakage?
The ADG728BRUZ has very low source and drain OFF leakage currents, typically ±0.01 nA and maximally ±0.1 nA.
- Can multiple ADG728BRUZ devices be connected to the same bus?
Yes, up to four ADG728BRUZ devices can be connected to the same bus using the external address pins (A0 and A1).
