Overview
The CD74HC4051MT is a high-speed CMOS logic analog multiplexer/demultiplexer produced by Texas Instruments. This device is part of the CDx4HC405x and CDx4HCT405x series, which utilize silicon gate CMOS technology to achieve fast switching speeds and low power consumption. The CD74HC4051MT is designed to control analog voltages that may vary across the voltage supply range, making it a versatile component for various analog switching applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| DC Supply Voltage (VCC - VEE) | -0.5 | 10.5 | V | |
| Input High Voltage (VIH) | 2 | 6 | V | |
| Input Low Voltage (VIL) | 0.8 | V | ||
| ON Resistance (rON) | 70 | Ω | ||
| Switch ON/OFF Leakage Current | ±0.1 | ±1 | μA | |
| Propagation Delay (tPHL, tPLH) | 8 | 12 | 18 | ns |
| Maximum Junction Temperature | 150 | °C | ||
| Storage Temperature | -65 | 150 | °C |
Key Features
- Qualified for automotive applications.
- Wide analog input voltage range: ±5V maximum.
- Low ON-resistance: 70Ω typical (VCC – VEE = 4.5V) and 40Ω typical (VCC – VEE = 9V).
- Low crosstalk between switches.
- Fast switching and propagation delays.
- Bidirectional switches allowing any analog input to be used as an output and vice versa.
- Enable control that disables all switches to their OFF state when high.
Applications
The CD74HC4051MT is suitable for a variety of applications, including:
- Analog signal routing and switching in audio and video systems.
- Automotive systems requiring robust and reliable analog switching.
- Industrial control systems where fast and reliable analog signal management is necessary.
- Medical devices that require precise analog signal handling.
- Telecommunication systems for signal routing and switching.
Q & A
- What is the CD74HC4051MT?
The CD74HC4051MT is a high-speed CMOS logic analog multiplexer/demultiplexer produced by Texas Instruments.
- What is the typical ON-resistance of the CD74HC4051MT?
The typical ON-resistance is 70Ω when VCC – VEE = 4.5V and 40Ω when VCC – VEE = 9V.
- What is the maximum DC supply voltage for the CD74HC4051MT?
The maximum DC supply voltage is 10.5V.
- What is the propagation delay of the CD74HC4051MT?
The propagation delay (tPHL, tPLH) ranges from 8 to 18 ns depending on the operating conditions.
- Is the CD74HC4051MT suitable for automotive applications?
Yes, it is qualified for automotive applications.
- What is the storage temperature range for the CD74HC4051MT?
The storage temperature range is -65°C to 150°C.
- How many channels does the CD74HC4051MT have?
The CD74HC4051MT has 8 channels for analog signal switching.
- What is the function of the enable control in the CD74HC4051MT?
The enable control disables all switches to their OFF state when it is high.
- What are the package options for the CD74HC4051MT?
The package options include CDIP, PDIP, SOIC, SOP, and TSSOP.
- What is the maximum junction temperature for the CD74HC4051MT?
The maximum junction temperature is 150°C.
