Overview
The MC74HC4051ADT is an analog multiplexer/demultiplexer produced by onsemi, utilizing high-performance silicon-gate CMOS technology. This device is designed to control analog voltages across a wide power supply range, from VCC to VEE. It features a single-pole, 8-position switch configuration, allowing for the selection of one of eight analog inputs/outputs to be connected to a common output/input. The device is part of the HC4051 series, which includes the HC4052 and HC4053, each with different switch configurations but similar functionality.
Key Specifications
| Parameter | Min | Max | Unit |
|---|---|---|---|
| VCC (Positive DC Supply Voltage) | 2.0 | 6.0 | V |
| VEE (Negative DC Supply Voltage) | -6.0 | 0 | V |
| VIS (Analog Input Voltage) | VEE | VCC | V |
| Vin (Digital Input Voltage) | GND | VCC | V |
| TA (Operating Temperature Range) | -55 | 125 | °C |
| Ron (Maximum ON Resistance) | - | 120 | Ω |
| tPLH, tPHL (Maximum Propagation Delay, Channel-Select to Analog Output) | - | 550 | ns |
| Cin (Maximum Input Capacitance, Channel-Select or Enable Inputs) | - | 10 | pF |
| CI/O (Maximum Capacitance Analog I/O) | - | 35 | pF |
Key Features
- Fast switching and propagation speeds, ensuring quick and efficient signal routing.
- Low crosstalk between switches, minimizing signal interference.
- Diode protection on all inputs/outputs, enhancing device reliability and protection against voltage spikes.
- Analog power supply range from 2.0 to 12.0 V and digital power supply range from 2.0 to 6.0 V, providing flexibility in various applications.
- Improved linearity and lower ON resistance compared to metal-gate CMOS analog switches.
- Low noise operation, suitable for sensitive analog applications.
- In compliance with JEDEC Standard No. 7A, ensuring compatibility and reliability.
Applications
- Audio and video signal routing and switching.
- Data acquisition and measurement systems.
- Medical devices requiring precise analog signal control.
- Industrial control systems where multiple analog signals need to be managed.
- Automotive systems for sensor signal multiplexing.
Q & A
- What is the primary function of the MC74HC4051ADT?
The MC74HC4051ADT is an analog multiplexer/demultiplexer that controls analog voltages by selecting one of eight analog inputs/outputs to be connected to a common output/input.
- What is the power supply range for the MC74HC4051ADT?
The analog power supply range is from 2.0 to 12.0 V, and the digital power supply range is from 2.0 to 6.0 V.
- What are the key features of the MC74HC4051ADT?
Key features include fast switching and propagation speeds, low crosstalk, diode protection, improved linearity, and low noise operation.
- What are some common applications of the MC74HC4051ADT?
Common applications include audio and video signal routing, data acquisition, medical devices, industrial control systems, and automotive systems.
- How does the Enable pin function on the MC74HC4051ADT?
When the Enable pin is HIGH, all analog switches are turned off.
- What is the maximum ON resistance of the MC74HC4051ADT?
The maximum ON resistance is approximately 120 Ω.
- What is the maximum propagation delay for the MC74HC4051ADT?
The maximum propagation delay from channel-select to analog output is up to 550 ns.
- Is the MC74HC4051ADT protected against voltage spikes?
Yes, the device has diode protection on all inputs/outputs.
- What is the operating temperature range for the MC74HC4051ADT?
The operating temperature range is from -55°C to 125°C.
- Is the MC74HC4051ADT compliant with any industry standards?
Yes, it is in compliance with JEDEC Standard No. 7A.
