Overview
The ADG819BRM-R2, produced by Analog Devices Inc., is a monolithic, CMOS, single-pole, double-throw (SPDT) switch. This device is designed on a submicron process, which ensures low power dissipation while providing high switching speed, low on-resistance, and low leakage currents. The ADG819 is ideal for battery-powered and portable instruments due to its low power consumption and operating supply range of 1.8 V to 5.5 V.
Key Specifications
| Parameter | Typical Value | Maximum Value | Unit | Test Conditions |
|---|---|---|---|---|
| Analog Signal Range | 0 V to VDD | V | ||
| On Resistance, RON | 0.5 Ω | 0.8 Ω | Ω | VS = 0 V to VDD, IS = 100 mA |
| On Resistance Match Between Channels, ΔRON | 0.06 Ω | 0.12 Ω | Ω | VS = 0 V to VDD, IS = 100 mA |
| On Resistance Flatness, RFLAT(ON) | 0.1 Ω | 0.25 Ω | Ω | VS = 0 V to VDD, IS = 100 mA |
| Source Off Leakage, IS (Off) | ±0.01 nA | nA | VS = 4.5 V/1 V, VD = 1 V/4.5 V | |
| Operating Supply Range | 1.8 V to 5.5 V | V | ||
| Package Types | 6-lead SOT-23, 8-lead MSOP, 6-ball WLCSP |
Key Features
- Low On Resistance: Typical on-resistance of 0.5 Ω, ensuring minimal signal loss and high fidelity switching.
- Low Power Consumption: Typical power consumption of less than 0.01 µW, making it suitable for battery-powered devices.
- Break-Before-Make Switching: Prevents momentary shorting when switching channels, ensuring reliable operation.
- Compact Packaging: Available in 6-lead SOT-23, 8-lead MSOP, and 6-ball WLCSP packages, ideal for space-constrained applications.
- TTL-/CMOS-Compatible Inputs: Compatible with both TTL and CMOS logic levels, enhancing versatility in various circuit designs.
Applications
- Power Routing: Suitable for managing power distribution in various systems.
- Battery-Powered Systems: Ideal for portable and battery-powered instruments due to its low power consumption.
- Communication Systems: Used in cellular phones, modems, and other communication devices.
- Data Acquisition Systems: Utilized in data acquisition systems for reliable signal switching.
- Relay Replacement: Can replace mechanical relays in many applications, offering higher reliability and faster switching times.
Q & A
- What is the ADG819BRM-R2?
The ADG819BRM-R2 is a monolithic, CMOS, single-pole, double-throw (SPDT) switch produced by Analog Devices Inc.
- What are the key features of the ADG819BRM-R2?
Key features include low on-resistance, low power consumption, break-before-make switching, compact packaging, and TTL-/CMOS-compatible inputs.
- What are the typical operating supply ranges for the ADG819BRM-R2?
The ADG819BRM-R2 operates within a supply range of 1.8 V to 5.5 V.
- What types of packages are available for the ADG819BRM-R2?
The device is available in 6-lead SOT-23, 8-lead MSOP, and 6-ball WLCSP packages.
- What is the typical on-resistance of the ADG819BRM-R2?
The typical on-resistance is 0.5 Ω.
- What is the significance of break-before-make switching in the ADG819BRM-R2?
Break-before-make switching prevents momentary shorting when switching channels, ensuring reliable operation.
- What are some common applications of the ADG819BRM-R2?
Common applications include power routing, battery-powered systems, communication systems, data acquisition systems, and relay replacement.
- How does the ADG819BRM-R2 handle leakage currents?
The device exhibits very low leakage currents, with a typical source off leakage of ±0.01 nA.
- Is the ADG819BRM-R2 suitable for space-constrained applications?
Yes, it is highly suitable due to its compact packaging options.
- What is the typical power consumption of the ADG819BRM-R2?
The typical power consumption is less than 0.01 µW.
