Overview
The ADG419TQ, produced by Analog Devices Inc., is a monolithic CMOS SPDT (Single-Pole Double-Throw) analog switch. This component is designed using an enhanced LC2MOS process, which offers low power dissipation, high switching speed, low on-resistance, and low leakage currents. The ADG419TQ is well-suited for applications requiring high linearity and low distortion, making it ideal for precision test equipment, precision instrumentation, and battery-powered systems.
Key Specifications
| Parameter | Rating |
|---|---|
| VDD to VSS | 44 V |
| VDD to GND | −0.3 V to +25 V |
| VSS to GND | +0.3 V to −25 V |
| VL to GND | −0.3 V to VDD + 0.3 V |
| Analog, Digital Inputs | VSS − 2 V to VDD + 2 V or 30 mA, whichever occurs first |
| Continuous Current, S or D | 30 mA |
| Peak Current, S or D (Pulsed at 1 ms, 10% Duty-Cycle Maximum) | 100 mA |
| Operating Temperature Range (Industrial B Version) | −40°C to +125°C |
| Operating Temperature Range (Extended T Version) | −55°C to +125°C |
| Storage Temperature Range | −65°C to +150°C |
| Junction Temperature | 150°C |
| Power Dissipation (CERDIP Package) | 600 mW |
| On Resistance (RON) | < 35 Ω |
| Transition Time | 160 ns maximum |
Key Features
- Extended Signal Range: The ADG419TQ has an input signal range that extends to the supply rails, making it versatile for various applications.
- Ultralow Power Dissipation: CMOS construction ensures very low power consumption, ideal for battery-powered and portable devices.
- Low On Resistance (RON): Less than 35 Ω, ensuring minimal signal loss and high linearity.
- High Switching Speed: Fast transition time of 160 ns maximum, suitable for high-speed applications.
- Break-Before-Make Switching Action: Ensures that the switch turns off before turning on, preventing signal overlap.
- Single-Supply Operation: Can be operated from a single rail power supply as low as 5 V, making it flexible for different power configurations.
Applications
- Precision Test Equipment: Ideal for high-accuracy testing due to its low distortion and high linearity.
- Precision Instrumentation: Suitable for instruments requiring precise signal switching.
- Battery-Powered Systems: Low power dissipation makes it perfect for portable and battery-powered devices.
- Sample Hold Systems: High switching speed and low on-resistance are beneficial for sample and hold applications.
- Defense and Aerospace: The ADG419-EP version supports defense and aerospace applications, adhering to AQEC standards.
Q & A
- What is the maximum supply voltage for the ADG419TQ?
The maximum supply voltage (VDD to VSS) is 44 V.
- What is the on-resistance (RON) of the ADG419TQ?
The on-resistance is less than 35 Ω.
- What is the maximum operating temperature range for the ADG419TQ?
The operating temperature range is −40°C to +125°C for the industrial version and −55°C to +125°C for the extended version).
- Can the ADG419TQ be used in single-supply configurations?
Yes, it can be operated from a single rail power supply as low as 5 V).
- What is the transition time of the ADG419TQ?
The transition time is 160 ns maximum).
- What type of switching action does the ADG419TQ exhibit?
The ADG419TQ exhibits break-before-make switching action).
- Is the ADG419TQ suitable for high-speed applications?
Yes, it is suitable due to its high switching speed and high signal bandwidth).
- What are some common applications of the ADG419TQ?
Common applications include precision test equipment, precision instrumentation, battery-powered systems, and sample hold systems).
- Does the ADG419TQ support defense and aerospace applications?
Yes, the ADG419-EP version supports defense and aerospace applications, adhering to AQEC standards).
- What is the storage temperature range for the ADG419TQ?
The storage temperature range is −65°C to +150°C).
