Overview
The ADG738BRU-REEL, produced by Analog Devices Inc., is a CMOS analog matrix switch that features an 8-channel multiplexer/demultiplexer configuration. This device is designed with a serially-controlled 3-wire interface, compatible with various standards such as SPI™, QSPI™, MICROWIRE®, and some DSP interface standards. It operates from a supply voltage range of 2.7 V to 5.5 V, making it versatile for a wide range of applications.
Key Specifications
| Parameter | Typical Value | Maximum Value | Unit | Test Conditions/Comments |
|---|---|---|---|---|
| Analog Signal Range | 0 V to VDD | V | ||
| On Resistance (RON) | 6 Ω | 11 Ω (at 25°C), 16 Ω (at -40°C to +105°C) | Ω | VS = 0 V to VDD, IS = 10 mA |
| On-Resistance Match Between Channels (∆RON) | 0.4 Ω | 1.2 Ω (at 25°C), 1.4 Ω (at -40°C to +105°C) | Ω | VS = 0 V to VDD, IS = 10 mA |
| On-Resistance Flatness (RFLAT(ON)) | 3.5 Ω | Ω | VS = 0 V to VDD, IS = 10 mA | |
| Source Off Leakage Current (IS (Off)) | ±0.01 nA | nA | VDD = 3.3 V | |
| Power Supply Voltage (VDD) | 2.7 V to 5.5 V | V | ||
| Serial Clock Input Frequency | Up to 30 MHz | MHz | ||
| Package Type | 16-TSSOP |
Key Features
- Serially-Controlled 3-Wire Interface: Compatible with SPI™, QSPI™, MICROWIRE®, and some DSP interface standards.
- Low On Resistance: Typical on resistance of 6 Ω, with a maximum of 16 Ω over the full signal range.
- Matched On Resistance: On resistance is closely matched between switches, ensuring minimal variation.
- Low Power Consumption: Typical current consumption of 10 µA at VDD = 5.5 V.
- Wide Operating Voltage Range: Operates from 2.7 V to 5.5 V, making it suitable for various applications.
- Daisy-Chaining Capability: Allows multiple devices to be connected in series through the DOUT pin).
Applications
- Data Acquisition Systems: Ideal for multiplexing and demultiplexing in data acquisition systems).
- Communication Systems: Used in communication systems for signal routing and switching).
- Relay Replacement: Can replace mechanical relays in various applications due to its low on resistance and high reliability).
- Audio and Video Switching: Suitable for audio and video switching applications due to its low distortion and high signal integrity).
- Automotive Applications: Qualified for automotive applications, ensuring robust performance in demanding environments).
Q & A
- What is the ADG738BRU-REEL used for?
The ADG738BRU-REEL is an 8-channel analog matrix switch used for multiplexing and demultiplexing in various applications such as data acquisition, communication systems, and audio/video switching.
- What is the operating voltage range of the ADG738BRU-REEL?
The ADG738BRU-REEL operates from a supply voltage range of 2.7 V to 5.5 V.
- What is the typical on resistance of the ADG738BRU-REEL?
The typical on resistance of the ADG738BRU-REEL is 6 Ω.
- Is the ADG738BRU-REEL compatible with SPI interfaces?
Yes, the ADG738BRU-REEL is compatible with SPI™, QSPI™, MICROWIRE®, and some DSP interface standards.
- What is the maximum serial clock input frequency for the ADG738BRU-REEL?
The maximum serial clock input frequency for the ADG738BRU-REEL is up to 30 MHz.
- Can multiple ADG738BRU-REEL devices be daisy-chained?
Yes, multiple ADG738BRU-REEL devices can be daisy-chained through the DOUT pin.
- What is the package type of the ADG738BRU-REEL?
The ADG738BRU-REEL comes in a 16-TSSOP package.
- Is the ADG738BRU-REEL qualified for automotive applications?
Yes, the ADG738BRU-REEL is qualified for automotive applications.
- What is the typical current consumption of the ADG738BRU-REEL at VDD = 5.5 V?
The typical current consumption of the ADG738BRU-REEL at VDD = 5.5 V is 10 µA.
- What are some common applications of the ADG738BRU-REEL?
Common applications include data acquisition systems, communication systems, relay replacement, and audio/video switching.
