Overview
The ADG508AKNZ is a CMOS 8-channel analog multiplexer produced by Analog Devices Inc. This device is part of the ADG508A series, which includes the ADG508A and ADG509A models. The ADG508A is designed to switch one of eight inputs to a common output, controlled by three binary addresses and an enable input. It is fabricated on an enhanced LCMOS process, enabling operation over a wide range of supply voltages and offering high switching speeds and low RON resistance.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Channels | 8 | |
| Output Configuration | 8:1 | |
| Supply Voltage Range | 10.8 V to 16.5 V | V |
| Analog Signal Range | VSS to VDD | V |
| Operating Temperature Range | -40°C to +85°C | °C |
| Power Dissipation | 28 mW (max) | mW |
| Leakage Current | 20 pA (typical) | pA |
| Digital Input High Voltage | 2.4 V (min) | V |
| Digital Input Low Voltage | 0.8 V (max) | V |
| Digital Input Capacitance | 8 pF (max) | pF |
| Transition Time | 200 ns (typical), 300 ns (max) | ns |
| Enable Time (tON, tOFF) | 200 ns (typical), 300 ns (max) | ns |
| Off Isolation | 68 dB (typical) | dB |
Key Features
- Enhanced LCMOS Process: Provides increased signal capability from VSS to VDD and enables operation over a wide range of supply voltages.
- High Switching Speeds: Fast transition times and low RON resistance ensure efficient switching.
- Low Leakage: Leakage currents as low as 20 pA, making it suitable for high precision circuits.
- Break-Before-Make Switching: Ensures that input signals are protected against momentary shorting.
- TTL and 5 V CMOS Logic-Compatible Digital Inputs: Compatible with a variety of digital control systems.
Applications
- Automotive Systems: Suitable for use in automotive applications due to its extended temperature range and robust performance.
- Industrial Control Systems: Ideal for industrial control systems requiring high reliability and precision.
- Medical Equipment: Used in medical devices where low leakage and high signal integrity are crucial.
- Aerospace and Defense: Applicable in aerospace and defense systems requiring high performance and reliability over a wide temperature range.
Q & A
- What is the ADG508AKNZ used for?
The ADG508AKNZ is an 8-channel analog multiplexer used to switch one of eight inputs to a common output, controlled by digital inputs.
- What is the supply voltage range of the ADG508AKNZ?
The supply voltage range is from 10.8 V to 16.5 V for both single and dual supplies.
- What is the operating temperature range of the ADG508AKNZ?
The operating temperature range is from -40°C to +85°C.
- What is the typical leakage current of the ADG508AKNZ?
The typical leakage current is 20 pA.
- Is the ADG508AKNZ compatible with TTL and 5 V CMOS logic?
Yes, it is compatible with both TTL and 5 V CMOS logic.
- What is the transition time of the ADG508AKNZ?
The transition time is typically 200 ns and a maximum of 300 ns.
- Does the ADG508AKNZ feature break-before-make switching?
Yes, it does feature break-before-make switching to protect against momentary shorting of input signals.
- What are some common applications of the ADG508AKNZ?
Common applications include automotive systems, industrial control systems, medical equipment, and aerospace and defense systems.
- What is the off-isolation of the ADG508AKNZ?
The off-isolation is typically 68 dB.
- What is the digital input capacitance of the ADG508AKNZ?
The digital input capacitance is a maximum of 8 pF.
