Overview
The ADG739BRUZ-REEL, produced by Analog Devices Inc., is a CMOS analog matrix switch. This component is part of the ADG739 series, which includes dual 4-channel matrix switches. It features a serially-controlled 3-wire interface compatible with standards such as SPI™, QSPI™, MICROWIRE®, and some DSP interface standards. The device is designed for low power consumption and high performance in various analog switching 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 | 12 Ω | Ω | VS = 0 V to VDD, IS = 10 mA |
| On-Resistance Match Between Channels (∆RON) | 0.4 Ω | 1.4 Ω | 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 | |
| Leakage Current (IS Off) | ±0.01 nA | ±0.1 nA | nA | VDD = 3.3 V, VS1 = 2 V |
| Turn-On Time (tON) | 14 ns | 25 ns | ns | RL = 300 Ω, CL = 35 pF, VS1 = 2 V |
| Turn-Off Time (tOFF) | 14 ns | 25 ns | ns | RL = 300 Ω, CL = 35 pF, VS1 = 2 V |
| Break-Before-Make Time Delay (tD) | 12 ns | 1 ns min | ns | RL = 300 Ω, CL = 35 pF, VS = 2 V |
| Charge Injection | ±3 pC | pC | VS = 1.5 V, RS = 0 Ω, CL = 1 nF | |
| Off Isolation | -55 dB | -75 dB | dB | RL = 50 Ω, CL = 5 pF, f = 10 MHz and 1 MHz |
| Channel-to-Channel Crosstalk | -55 dB | -75 dB | dB | RL = 50 Ω, CL = 5 pF, f = 10 MHz and 1 MHz |
| -3 dB Bandwidth | 65 MHz | MHz | RL = 50 Ω, CL = 5 pF |
Key Features
- Serially-Controlled 3-Wire Interface: Compatible with SPI™, QSPI™, MICROWIRE®, and some DSP interface standards.
- Dual 4-Channel Matrix Switch: The ADG739 includes two independent 4-channel matrix switches.
- Low On Resistance: Typical on resistance of 6 Ω, closely matched between switches and very flat over the full signal range.
- Low Power Consumption: Very low power consumption, with a typical current of 10 µA at VDD = 5.5 V.
- High Isolation and Crosstalk Performance: High off isolation and low channel-to-channel crosstalk, making it suitable for high-frequency applications.
- Break-Before-Make Switching Action: Ensures that there is no momentary short between channels during switching.
Applications
- Data Acquisition Systems: Ideal for multiplexing and demultiplexing in data acquisition systems.
- Communication Systems: Used in various communication systems for signal routing and switching.
- Relay Replacement: Can replace mechanical relays in many applications due to its low power consumption and high reliability.
- Audio and Video Switching: Suitable for audio and video switching applications due to its low distortion and high bandwidth.
- Automotive Applications: Qualified for automotive applications, ensuring robust performance in harsh environments.
Q & A
- What is the ADG739BRUZ-REEL used for?
The ADG739BRUZ-REEL is a CMOS analog matrix switch used for multiplexing and demultiplexing in various applications such as data acquisition, communication systems, and audio/video switching.
- What is the typical on resistance of the ADG739?
The typical on resistance of the ADG739 is 6 Ω.
- What is the maximum operating temperature of the ADG739?
The maximum operating temperature of the ADG739 is +105°C for the W version and +85°C for the B version.
- Is the ADG739 compatible with SPI interfaces?
Yes, the ADG739 is compatible with SPI™, QSPI™, MICROWIRE®, and some DSP interface standards.
- What is the -3 dB bandwidth of the ADG739?
The -3 dB bandwidth of the ADG739 is 65 MHz.
- Does the ADG739 have break-before-make switching action?
Yes, the ADG739 ensures break-before-make switching action to prevent momentary shorts between channels.
- What is the typical turn-on time of the ADG739?
The typical turn-on time of the ADG739 is 14 ns.
- What is the off isolation of the ADG739?
The off isolation of the ADG739 is -55 dB at 10 MHz and -75 dB at 1 MHz.
- Is the ADG739 qualified for automotive applications?
Yes, the ADG739 is qualified for automotive applications.
- What is the packaging type of the ADG739BRUZ-REEL?
The ADG739BRUZ-REEL is packaged in a 16-TSSOP and is available in tape and reel format.
