Overview
The MC74HC4051ADR2, produced by onsemi, is an analog multiplexer/demultiplexer that utilizes silicon-gate CMOS technology. This device is part of the HC4051 series, which includes the MC74HC4051A, MC74HC4052A, and MC74HC4053A. It is designed to achieve fast propagation delays, low ON resistances, and low OFF leakage currents. The MC74HC4051ADR2 is a single-pole, 8-position analog multiplexer/demultiplexer, making it suitable for applications that require the selection and switching of multiple analog signals.
The device is compatible with a wide range of power supply voltages, from 2.0 to 12.0 V for the analog power supply and from 2.0 to 6.0 V for the digital control power supply. It is also compliant with the requirements of JEDEC Standard No. 7A, ensuring reliability and compatibility with various systems.
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 |
| tPLH, tPHL (Maximum Propagation Delay, Channel-Select to Analog Output) | 45 | 350 | ns |
| tPLZ, tPHZ (Maximum Propagation Delay, Enable to Analog Output) | 39 | 220 | ns |
| Cin (Maximum Input Capacitance, Channel-Select or Enable Inputs) | 10 | 10 | pF |
| CI/O (Maximum Capacitance Analog I/O) | 35 | 35 | pF |
Key Features
- Fast Switching and Propagation Speeds: The device offers fast switching times, making it suitable for high-speed applications.
- Low Crosstalk Between Switches: Minimizes interference between channels, ensuring clear signal transmission.
- Diode Protection on All Inputs/Outputs: Provides protection against voltage spikes and transient currents.
- Wide Analog Power Supply Range: Operates from 2.0 to 12.0 V, and digital control power supply range from 2.0 to 6.0 V.
- Improved Linearity and Lower ON Resistance: Compared to metal-gate CMOS analog switches, it offers better linearity and lower ON resistance.
- Low Noise: Designed to minimize noise, ensuring high signal integrity.
- Compliance with JEDEC Standard No. 7A: Ensures the device meets industry standards for reliability and performance.
Applications
The MC74HC4051ADR2 is versatile and can be used in a variety of applications, including:
- Analog Signal Switching: Ideal for switching between multiple analog signals in audio, video, and other signal processing systems.
- Data Acquisition Systems: Used in data acquisition systems to multiplex or demultiplex analog signals from various sensors.
- Medical Devices: Suitable for medical devices that require precise and reliable analog signal switching.
- Industrial Control Systems: Can be used in industrial control systems for managing and switching analog signals from different sensors and actuators.
- Aerospace and Defense: Due to its reliability and performance, it can be used in aerospace and defense applications where high precision is required.
Q & A
- What is the MC74HC4051ADR2 used for?
The MC74HC4051ADR2 is an analog multiplexer/demultiplexer used for switching and selecting between multiple analog signals.
- What is the power supply range for the MC74HC4051ADR2?
The device operates with an analog power supply range of 2.0 to 12.0 V and a digital control power supply range of 2.0 to 6.0 V.
- What are the key features of the MC74HC4051ADR2?
Key features include fast switching and propagation speeds, low crosstalk, diode protection, wide power supply range, improved linearity, and low noise.
- Is the MC74HC4051ADR2 compliant with industry standards?
Yes, it is compliant with the requirements of JEDEC Standard No. 7A.
- What is the maximum propagation delay for the MC74HC4051ADR2?
The maximum propagation delay from channel-select to analog output is up to 350 ns, depending on the VCC voltage.
- What is the operating temperature range for the MC74HC4051ADR2?
The operating temperature range is from -55°C to 125°C.
- Does the MC74HC4051ADR2 have input protection?
Yes, it has diode protection on all inputs and outputs.
- What is the maximum input capacitance for the channel-select or enable inputs?
The maximum input capacitance is 10 pF.
- Can the MC74HC4051ADR2 be used in high-speed applications?
Yes, it is suitable for high-speed applications due to its fast switching and propagation speeds.
- What are some common applications of the MC74HC4051ADR2?
Common applications include analog signal switching, data acquisition systems, medical devices, industrial control systems, and aerospace and defense systems.
