Overview
The ADG412BR-REEL is a precision quad single-pole single-throw (SPST) switch manufactured by Analog Devices Inc. This component is part of the ADG411, ADG412, and ADG413 series, which are monolithic CMOS devices designed on an enhanced LC2MOS process. The ADG412 is particularly noted for its low power dissipation, high switching speed, and low on-resistance, making it suitable for a variety of applications including audio and video signal switching.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Supply Voltage (Single) | 12 V | VDD = 12 V ± 10% |
| Supply Voltage (Dual) | ±15 V | VDD = +16.5 V, VSS = −16.5 V |
| On-Resistance (RON) | 40 Ω (typ), 100 Ω (max) | VD = 8.5 V, IS = −10 mA |
| Switch Time (Ton, Toff) | 175 ns (typ), 250 ns (max), 145 ns (typ) | RL = 300 Ω, CL = 35 pF |
| Leakage Current (IS(off)) | ±0.25 nA (typ), ±5 nA (max) | VD = 12.2 V/1 V, VS = 1 V/12.2 V |
| Charge Injection | 5 pC (typ) | VS = 0 V, RS = 0 Ω, CL = 10 nF |
| Channel-to-Channel Crosstalk | 85 dB (typ) | RL = 50 Ω, CL = 5 pF, f = 1 MHz |
| Operating Temperature | −40°C to +85°C | B version |
| Package | 16-Lead SOIC, 16-Lead TSSOP |
Key Features
- Extended Signal Range: The signal range extends fully to the supply rails, making it suitable for a wide range of applications.
- Ultralow Power Dissipation: The CMOS construction ensures very low power consumption, ideal for portable and battery-powered devices.
- Low RON: The on-resistance is low and flat over the full analog input range, ensuring excellent linearity and low distortion.
- Break-Before-Make Switching: Prevents channel shorting when the switches are configured as a multiplexer.
- Single-Supply Operation: Suitable for applications where the analog signal is unipolar.
- Low Charge Injection: Minimizes transients when switching the digital inputs.
Applications
- Audio Signal Switching: The flat on-resistance profile and low distortion make it suitable for audio signal switching.
- Video Signal Switching: Fast switching speed and high signal bandwidth make it ideal for video signal switching.
- Multiplexer Applications: The break-before-make switching action is beneficial in multiplexer configurations.
- Portable and Battery-Powered Instruments: The ultralow power dissipation makes it suitable for use in portable and battery-powered devices).
Q & A
- What is the ADG412BR-REEL?
The ADG412BR-REEL is a precision quad SPST switch manufactured by Analog Devices Inc., designed for low power dissipation and high switching speed.
- What are the key features of the ADG412BR-REEL?
Key features include extended signal range, ultralow power dissipation, low RON, break-before-make switching, single-supply operation, and low charge injection.
- What are the typical operating temperatures for the ADG412BR-REEL?
The operating temperature range is −40°C to +85°C for the B version.
- What is the on-resistance of the ADG412BR-REEL?
The on-resistance is typically 40 Ω and can be up to 100 Ω maximum.
- What is the switch time for the ADG412BR-REEL?
The switch time (Ton, Toff) is typically 175 ns and 145 ns, with a maximum of 250 ns.
- What are the common applications of the ADG412BR-REEL?
Common applications include audio and video signal switching, multiplexer configurations, and use in portable and battery-powered instruments.
- What is the package type for the ADG412BR-REEL?
The component is available in 16-Lead SOIC and 16-Lead TSSOP packages.
- How does the ADG412BR-REEL handle channel shorting in multiplexer applications?
The ADG412BR-REEL features break-before-make switching, which prevents channel shorting in multiplexer configurations.
- What is the charge injection characteristic of the ADG412BR-REEL?
The charge injection is typically 5 pC, minimizing transients when switching the digital inputs.
- Is the ADG412BR-REEL suitable for single-supply operation?
Yes, the ADG412BR-REEL is suitable for single-supply operation, making it versatile for various applications.
