Overview
The ADG439FBR is a high-performance, low-power, quad SPST CMOS analog multiplexer produced by Analog Devices, Inc. This component is designed to provide fast switching times, low on-state resistance, and low charge injection, making it suitable for a wide range of applications. Although the ADG439FBR is currently an obsolete product, it remains a significant component in the realm of analog switching and multiplexing.
Key Specifications
| Attribute | Description |
|---|---|
| Switch Type | Quad SPST CMOS analog multiplexer |
| Switching Time | Turn-on: 250 ns (max), Turn-off: 150 ns (max) |
| On-State Resistance | 270 Ω (typical) |
| Channel-to-Channel Matching | 8.1 Ω |
| Charge Injection | 15 pC |
| Operating Temperature Range | -40°C to 125°C |
| Package Type | 16-Lead Standard Small Outline Package (SOIC) |
| Fault Protection | Continuous overvoltage inputs from -40 V to +55 V |
Key Features
- Fast switching times: 250 ns (max) turn-on, 150 ns (max) turn-off
- Low on-state resistance: 270 Ω (typical)
- Low charge injection: 15 pC
- Wide operating temperature range: -40°C to 125°C
- Fault and overvoltage protection: withstands continuous overvoltages from -40 V to +55 V
- Latch-up proof construction
- TTL- and CMOS-compatible inputs
- Compact surface-mount package
Applications
- Data acquisition systems
- Sensor interfacing
- Signal routing and switching
- Instrumentation and test equipment
- Industrial and process control systems
- Avionics test equipment
- High reliability control systems
Q & A
- What is the ADG439FBR?
The ADG439FBR is a high-performance, low-power, quad SPST CMOS analog multiplexer produced by Analog Devices, Inc.
- What are the key switching times for the ADG439FBR?
The ADG439FBR has a turn-on time of 250 ns (max) and a turn-off time of 150 ns (max).
- What is the typical on-state resistance of the ADG439FBR?
The typical on-state resistance is 270 Ω.
- What is the operating temperature range of the ADG439FBR?
The operating temperature range is -40°C to 125°C.
- Does the ADG439FBR offer fault protection?
Yes, it provides fault and overvoltage protection, withstanding continuous overvoltages from -40 V to +55 V.
- What package type is the ADG439FBR available in?
The ADG439FBR is available in a 16-Lead Standard Small Outline Package (SOIC).
- Is the ADG439FBR still in production?
No, the ADG439FBR is an obsolete product and is no longer in active production.
- What are some common applications for the ADG439FBR?
Common applications include data acquisition systems, sensor interfacing, signal routing and switching, and instrumentation and test equipment.
- Are the inputs of the ADG439FBR compatible with TTL and CMOS?
Yes, the inputs are TTL- and CMOS-compatible.
- How does the ADG439FBR protect against overvoltages?
The ADG439FBR uses a series n-channel, p-channel, and n-channel MOSFET structure to protect against overvoltages, ensuring that the multiplexer input (or output) appears as an open circuit during fault conditions.
