Overview
The ADG1209, manufactured by Analog Devices Inc., is a monolithic, iCMOS® analog multiplexer. This device is designed to switch one of four differential inputs to a common differential output, controlled by 2-bit binary address lines A0 and A1. It features an enable input (EN) that allows the device to be enabled or disabled, with all channels switched off when disabled. The ADG1209 is available in various packages, including 16-lead TSSOP, 16-lead LFCSP, and 16-lead SOIC, making it versatile for different design requirements.
Key Specifications
| Parameter | Typical Value | Maximum Value | Unit | Test Conditions/Comments |
|---|---|---|---|---|
| Analog Signal Range | VSS to VDD | VSS to VDD | V | Dual supply: VDD = +15 V ± 10%, VSS = –15 V ± 10%, GND = 0 V |
| On Resistance, RON | 120 Ω | 270 Ω | Ω | VS = ±10 V, IS = −1 mA |
| On-Resistance Match Between Channels, ∆RON | 3.5 Ω | 12 Ω | Ω | VS = ±10 V, IS = −1 mA |
| On-Resistance Flatness, RFLAT (On) | 20 Ω | - | Ω | VS = −5 V/0 V/+5 V |
| Power Consumption | < 0.03 µW | - | µW | Digital inputs = 0 V or VDD |
| Input High Voltage, VINH | 2.0 V | - | V | - |
| Input Low Voltage, VINL | 0.8 V | - | V | - |
| Transition Time, tTRANSITION | 100 ns | 235 ns | ns | RL = 300 Ω, CL = 35 pF |
Key Features
- Low Capacitance: The ADG1209 has low capacitance, making it suitable for high-frequency applications.
- Dual Supply Operation: The device can operate with dual supplies (±15 V or ±12 V) and has an input signal range that extends to the supplies.
- Enable Input: An EN input allows the device to be enabled or disabled, with all channels switched off when disabled.
- Compact Packages: Available in 16-lead TSSOP, 16-lead LFCSP, and 16-lead SOIC packages.
- Low Power Consumption: Typical power consumption is less than 0.03 µW, making it suitable for battery-powered systems.
Applications
- Audio and Video Routing: Ideal for routing audio and video signals in various multimedia systems.
- Automatic Test Equipment: Used in test and measurement equipment due to its high accuracy and reliability.
- Data-Acquisition Systems: Suitable for data-acquisition systems requiring precise signal switching.
- Battery-Powered Systems: Low power consumption makes it suitable for battery-powered devices.
- Sample-and-Hold Systems: Used in sample-and-hold circuits where precise signal control is necessary.
- Communication Systems: Applied in communication systems for signal routing and switching.
Q & A
- What is the primary function of the ADG1209?
The ADG1209 is a 4-channel differential analog multiplexer that switches one of four differential inputs to a common differential output based on the 2-bit binary address lines A0 and A1.
- What are the available package options for the ADG1209?
The ADG1209 is available in 16-lead TSSOP, 16-lead LFCSP, and 16-lead SOIC packages.
- What is the typical on-resistance of the ADG1209?
The typical on-resistance (RON) of the ADG1209 is 120 Ω.
- What is the maximum on-resistance flatness of the ADG1209?
The maximum on-resistance flatness (RFLAT) is 20 Ω.
- What is the power consumption of the ADG1209?
The typical power consumption is less than 0.03 µW.
- What are the input high and low voltage levels for the ADG1209?
The input high voltage (VINH) is 2.0 V min, and the input low voltage (VINL) is 0.8 V max.
- What is the transition time of the ADG1209?
The transition time (tTRANSITION) is typically 100 ns.
- In what temperature range can the ADG1209 operate?
The ADG1209 can operate in a temperature range of –40°C to +125°C.
- What are some common applications of the ADG1209?
Common applications include audio and video routing, automatic test equipment, data-acquisition systems, battery-powered systems, sample-and-hold systems, and communication systems.
- How does the enable input (EN) function on the ADG1209?
The EN input allows the device to be enabled or disabled. When disabled, all channels are switched off.
