Overview
The AD7503KN, produced by Analog Devices Inc., is a monolithic CMOS 8-channel analog multiplexer. This device is designed to switch one of eight inputs to a common output, making it versatile for various analog signal routing applications. The AD7503KN is similar to the AD7501 but with inverted enable logic, allowing for flexible control in different system designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Channels | 8 | - |
| Multiplexer/Demultiplexer Circuit | 8:1 | - |
| On-State Resistance (Max) | 300 | Ω |
| Channel-to-Channel Matching (ΔRon) | 12 | Ω |
| Voltage - Supply, Dual (V±) | ±15 | V |
| Switch Time (Ton, Toff) (Max) | 800 ns, 800 ns (Typ) | ns |
| Current - Leakage (IS(off)) (Max) | 2 nA | nA |
| Operating Temperature | 0°C to +70°C (Commercial) | °C |
| Package / Case | 16-DIP (0.300", 7.62mm) | - |
Key Features
- DTL/TTL/CMOS direct interface, ensuring compatibility with a wide range of digital control signals.
- Low power dissipation of 30 μW, making it energy-efficient.
- Fast switch times with typical values of 0.8 μs for both turn-on and turn-off.
- Low on-state resistance and high channel-to-channel matching, ensuring minimal signal distortion.
- Available in standard 16-lead DIP and 20-terminal surface mount packages.
- Inverted enable logic compared to the AD7501, providing flexibility in system design.
Applications
- Analog signal routing and switching in various electronic systems.
- Data acquisition systems where multiple analog inputs need to be multiplexed to a single analog-to-digital converter (ADC).
- Medical devices requiring precise analog signal handling.
- Industrial control systems that need reliable and fast analog signal switching.
- Aerospace and defense applications where high reliability and low power consumption are critical.
Q & A
- What is the primary function of the AD7503KN?
The AD7503KN is an 8-channel analog multiplexer that switches one of eight inputs to a common output.
- What is the difference between the AD7503KN and the AD7501?
The AD7503KN has inverted enable logic compared to the AD7501.
- What are the typical switch times for the AD7503KN?
The typical switch times are 0.8 μs for both turn-on and turn-off.
- What is the maximum on-state resistance of the AD7503KN?
The maximum on-state resistance is 300 Ω.
- What are the operating temperature ranges for the AD7503KN?
The operating temperature range is 0°C to +70°C for commercial versions.
- What package types are available for the AD7503KN?
The AD7503KN is available in 16-lead DIP packages.
- Is the AD7503KN compatible with DTL/TTL/CMOS logic?
- What is the power dissipation of the AD7503KN?
The power dissipation is 30 μW.
- What are some common applications of the AD7503KN?
- Is the AD7503KN RoHS compliant?
The AD7503KN is lead-free and RoHS compliant.
