Overview
The ADG419BR, produced by Analog Devices Inc., is a monolithic CMOS single-pole double-throw (SPDT) analog switch. This device is designed on an enhanced LC2MOS process, which offers low power dissipation, high switching speed, low on resistance, and low leakage currents. The ADG419BR is ideal for applications requiring reliable and efficient analog signal switching, particularly in portable and battery-powered instruments.
Key Specifications
| Parameter | Typical Value | Maximum Value | Units | Test Conditions |
|---|---|---|---|---|
| Analog Signal Range | 0 to VDD | 0 to VDD | V | VDD = +15 V ± 10%, VSS = –15 V ± 10% |
| On Resistance (RON) | 40 Ω | 70 Ω | Ω | VD = +3 V, +8.5 V, IS = –10 mA |
| Power Dissipation | < 35 μW | μW | ||
| Transition Time | 160 ns | ns | ||
| Leakage Current (IS(OFF)) | ±0.1 nA | ±5 nA | nA | VD = 12.2 V/1 V, VS = 1 V/12.2 V |
| Continuous Current, S or D | 30 mA | mA | ||
| Peak Current, S or D (Pulsed at 1 ms, 10% Duty Cycle Max) | 100 mA | mA | ||
| Operating Temperature Range | –40°C to +125°C (B Version), –55°C to +125°C (T Version) | °C | ||
| Storage Temperature Range | –65°C to +150°C | °C | ||
| Junction Temperature | 150°C | °C |
Key Features
- Extended Signal Range: The ADG419BR has an analog signal range that extends to the supply rails, making it versatile for various applications.
- Ultralow Power Dissipation: With power dissipation of less than 35 μW, it is ideal for battery-powered and portable instruments.
- Low On Resistance: The on resistance is less than 35 Ω, ensuring minimal signal degradation.
- Fast Transition Time: The switch has a maximum transition time of 160 ns, facilitating high-speed switching.
- Break-Before-Make Switching Action: This feature ensures that the switch turns off before turning on, preventing signal overlap.
- Single-Supply Operation: The ADG419BR can operate with a single 12 V power supply and remains functional with single supplies as low as 5 V.
Applications
- Precision Test Equipment: Ideal for high-precision testing due to its low on resistance and high switching speed.
- Precision Instrumentation: Suitable for instruments requiring accurate and reliable analog signal switching.
- Battery-Powered Systems: The ultralow power dissipation makes it perfect for battery-powered devices.
- Sample Hold Systems: The flat on resistance profile over the full analog input range ensures excellent linearity and low distortion.
Q & A
- What is the ADG419BR?
The ADG419BR is a monolithic CMOS single-pole double-throw (SPDT) analog switch designed on an enhanced LC2MOS process.
- What are the key features of the ADG419BR?
Key features include extended signal range, ultralow power dissipation, low on resistance, fast transition time, and break-before-make switching action.
- What is the maximum on resistance of the ADG419BR?
The maximum on resistance is 70 Ω.
- What is the operating temperature range of the ADG419BR?
The operating temperature range is –40°C to +125°C for the B Version and –55°C to +125°C for the T Version.
- Can the ADG419BR operate on a single power supply?
Yes, it can operate with a single 12 V power supply and remains functional with single supplies as low as 5 V.
- What are the typical applications of the ADG419BR?
Typical applications include precision test equipment, precision instrumentation, battery-powered systems, and sample hold systems.
- What is the maximum transition time of the ADG419BR?
The maximum transition time is 160 ns.
- What is the power dissipation of the ADG419BR?
The power dissipation is less than 35 μW.
- Does the ADG419BR support break-before-make switching action?
Yes, it exhibits break-before-make switching action.
- What is the maximum continuous current for the ADG419BR?
The maximum continuous current is 30 mA.
- What is the storage temperature range for the ADG419BR?
The storage temperature range is –65°C to +150°C.
