Overview
The ADG409BRU is a high-performance analog multiplexer produced by Analog Devices Inc. This component is part of the ADG408/ADG409 series, designed on an enhanced LC2MOS process. It features a dual 4:1 multiplexer configuration, allowing it to switch one of four differential inputs to a common differential output based on the 2-bit binary address lines A0 and A1. The device also includes an enable (EN) input to control the switching operation.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage Range | ±5 V to ±15 V | V |
| On Resistance (RON) | 100 Ω typical | Ω |
| Input Signal Range | Up to supply rails | V |
| Input High Voltage (VINH) | 2.4 V min | V |
| Input Low Voltage (VINL) | 0.8 V max | V |
| Transition Time (tTRANSITION) | 130 ns typical | ns |
| Enable Time (tON) | 140 ns typical | ns |
| Disable Time (tOFF) | 60 ns typical | ns |
| Charge Injection | 5 pC typical | pC |
| Off Isolation | -75 dB typical | dB |
| Channel-to-Channel Crosstalk | -85 dB typical | dB |
| Power Dissipation (IDD) | 1 µA typical, 500 µA max | µA |
| Package Type | 16-Pin TSSOP |
Key Features
- Low Power Dissipation: The ADG409BRU operates with very low power consumption, making it suitable for battery-powered devices.
- High Switching Speed: The device features fast transition times and enable/disable times, ensuring quick and efficient switching operations.
- Extended Signal Range: The signal range extends to the supply rails, allowing for a wide range of input signals.
- Single Supply Operation: The multiplexer can be operated from a single rail power supply, making it versatile for various applications.
- Low On Resistance (RON): The low on resistance ensures minimal signal attenuation and distortion.
- Break-Before-Make Switching: This feature prevents momentary shorting when switching channels.
- Low Charge Injection: Minimizes transients when switching digital inputs.
Applications
- Audio and Video Switching: Ideal for switching audio and video signals in multimedia systems.
- Medical Equipment: Used in medical devices where low power consumption and high switching speed are critical.
- Industrial Automation: Suitable for industrial control systems that require reliable and fast signal switching.
- Telecommunications: Employed in telecommunications equipment for signal routing and switching.
- Automotive Systems: Used in automotive electronics for various signal switching applications.
Q & A
- What is the ADG409BRU used for? The ADG409BRU is a dual 4:1 analog multiplexer used for switching one of four differential inputs to a common differential output.
- What is the supply voltage range for the ADG409BRU? The supply voltage range is ±5 V to ±15 V.
- What is the typical on resistance (RON) of the ADG409BRU? The typical on resistance is 100 Ω.
- Can the ADG409BRU be operated from a single supply? Yes, it can be operated from a single rail power supply.
- What is the transition time (tTRANSITION) of the ADG409BRU? The transition time is typically 130 ns.
- What is the enable time (tON) of the ADG409BRU? The enable time is typically 140 ns.
- What is the disable time (tOFF) of the ADG409BRU? The disable time is typically 60 ns.
- What is the charge injection of the ADG409BRU? The charge injection is typically 5 pC.
- What is the off isolation of the ADG409BRU? The off isolation is typically -75 dB.
- What is the package type of the ADG409BRU? The package type is 16-Pin TSSOP.
