Overview
The MPC506AU/1K, produced by Texas Instruments, is a 16-channel single-ended analog multiplexer. This device is part of the MPC506A series, which also includes the MPC507A, an 8-channel differential multiplexer. The MPC506AU/1K is fabricated using Burr-Brown’s dielectrically isolated CMOS technology, ensuring high performance and reliability in various analog signal processing applications. It is available in plastic DIP and plastic SOIC packages, making it versatile for different system designs. The device operates over a temperature range of –40°C to +85°C, making it suitable for a wide range of environments.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Analog Signal Range | -15 | +15 | V | |
| On Resistance (RON) | 1.3 | 1.5 | 1.8 | kΩ |
| Off Input Leakage Current (IS OFF) | 0.5 | 10 | nA | |
| Off Output Leakage Current (ID OFF) | 0.2 | 5 | nA | |
| Access Time (tA) | 0.3 | 0.6 | µs | |
| Break-Before-Make Delay (tOPEN) | 25 | 80 | ns | |
| Enable Delay (tON EN, tOFF EN) | 200 | 500 | ns | |
| Settling Time (0.1%, 0.01%) | 1.2, 3.5 | µs | ||
| Power Dissipation (PD) | 7.5 | mW | ||
| Operating Temperature Range | -40 | +85 | °C |
Key Features
- Input Overvoltage Protection: Analog input voltages can exceed either power supply voltage without damaging the device or disturbing the signal path of other channels.
- Signal Isolation and Protection: Each input presents a 1kΩ resistance under power loss conditions, protecting signal sources from short circuits.
- Digital Input Protection: Digital inputs can sustain continuous faults up to 4V greater than either supply voltage.
- Low On-Resistance and High Off-Isolation: Ensures minimal signal distortion and high channel isolation.
- Channel Expansion Capability: Can be configured to expand channel capacity up to 64 channels or more using single or multitiered structures.
- ESD Protection: Analog inputs can withstand 70VPP signal levels and standard ESD tests.
Applications
The MPC506AU/1K is ideal for use in systems where analog signals originate from external equipment or separately powered sources. It is particularly suited for applications such as:
- Industrial Automation: For multiplexing analog signals from various sensors and actuators.
- Medical Devices: In medical diagnostic equipment where multiple analog signals need to be processed.
- Aerospace and Defense: For reliable and robust analog signal processing in harsh environments.
- Test and Measurement Equipment: To handle multiple analog inputs in data acquisition systems.
Q & A
- What is the primary function of the MPC506AU/1K?
The primary function is to act as a 16-channel single-ended analog multiplexer. - What is the operating temperature range of the MPC506AU/1K?
The operating temperature range is –40°C to +85°C. - How does the MPC506AU/1K protect against overvoltage?
The device has input overvoltage protection, allowing analog input voltages to exceed either power supply voltage without damage. - What is the typical on-resistance of the MPC506AU/1K?
The typical on-resistance is 1.5 kΩ. - Can the MPC506AU/1K be used in high-channel expansion configurations?
Yes, it can be configured to expand channel capacity up to 64 channels or more using single or multitiered structures. - What type of packaging is available for the MPC506AU/1K?
The device is available in plastic DIP and plastic SOIC packages. - How does the device protect digital inputs?
Digital inputs can sustain continuous faults up to 4V greater than either supply voltage. - What is the settling time for the MPC506AU/1K to 0.01% accuracy?
The settling time to 0.01% accuracy is 3.5 µs. - Is the MPC506AU/1K ESD protected?
Yes, the analog inputs can withstand 70VPP signal levels and standard ESD tests. - What is the recommended configuration for driving digital inputs from TTL circuits?
Open collector output with pull-up resistors to the +5.0V supply is recommended.
