Overview
The CD74HC4051PWT is a high-speed CMOS logic analog multiplexer and demultiplexer produced by Texas Instruments. This device utilizes silicon gate CMOS technology to achieve operating speeds similar to LSTTL with the low power consumption characteristic of standard CMOS integrated circuits. It is designed to control analog voltages that may vary across the voltage supply range, making it a versatile component for various applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Conditions |
|---|---|---|---|---|---|
| DC Supply Voltage (VCC - VEE) | -0.5 | 10.5 | V | ||
| Input High Voltage (VIH) | 2 | V | At 25°C, VCC = 4.5V to 5.5V | ||
| Input Low Voltage (VIL) | 0.8 | V | At 25°C, VCC = 4.5V to 5.5V | ||
| ON Resistance (rON) | 70 | 160 | Ω | At VCC - VEE = 4.5V, IO = 1mA | |
| Operating Temperature Range | -40 | 125 | °C | ||
| Maximum Junction Temperature | 150 | °C | |||
| Switching Time (tPHL, tPLH) | 10 | 15 | ns | At VCC = 5V, TA = 25°C |
Key Features
- Qualified for automotive applications.
- Wide analog input voltage range: ±5V maximum.
- Low ON-resistance: 70Ω typical at VCC - VEE = 4.5V and 40Ω typical at VCC - VEE = 9V.
- Low crosstalk between switches.
- Fast switching and propagation speeds.
- Break-before-make switching.
- Direct LSTTL input logic compatibility.
- CMOS input compatibility.
- Bidirectional switch 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
- Digital radio.
- Signal gating.
- Factory automation.
- Televisions.
- Appliances.
- Programmable logic circuits.
- Sensors.
Q & A
- What is the CD74HC4051PWT used for?
The CD74HC4051PWT is used as a high-speed CMOS logic analog multiplexer and demultiplexer, controlling analog voltages across a wide range.
- What is the operating temperature range of the CD74HC4051PWT?
The operating temperature range is -40°C to +125°C.
- What is the typical ON-resistance of the CD74HC4051PWT?
The typical ON-resistance is 70Ω at VCC - VEE = 4.5V and 40Ω at VCC - VEE = 9V.
- Does the CD74HC4051PWT support LSTTL input logic compatibility?
- What is the maximum junction temperature of the CD74HC4051PWT?
The maximum junction temperature is 150°C.
- What are the common applications of the CD74HC4051PWT?
- What is the switching time of the CD74HC4051PWT?
The switching time (tPHL, tPLH) is typically 10 to 15 ns at VCC = 5V and TA = 25°C.
- Does the CD74HC4051PWT have an enable control feature?
- What is the package type of the CD74HC4051PWT?
The package type is TSSOP (Thin Shrink Small Outline Package) with 16 pins.
- Is the CD74HC4051PWT qualified for automotive applications?
