Overview
The CD74HC4051PWRG4, produced by Texas Instruments, is a high-speed CMOS logic analog multiplexer and demultiplexer. This device utilizes silicon gate CMOS technology to achieve operating speeds similar to LSTTL with the low-power consumption of standard CMOS integrated circuits. It is a digitally controlled analog switch that allows any analog input to be used as an output and vice versa, featuring low ON resistance and low OFF leakages. The device includes an enable control that, when high, disables all switches to their OFF state, making it versatile for various applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | TSSOP (PW) | - |
| Pins | 16 | - |
| Operating Temperature Range | -55 to 125 | °C |
| Low ON-Resistance (VCC – VEE = 4.5V) | 70Ω typical | Ω |
| Low ON-Resistance (VCC – VEE = 9V) | 40Ω typical | Ω |
| Switch Voltage | 0V to 10V | V |
| Operation Control Voltage | 4.5V to 5.5V | V |
| Propagation Delay (TA = 25°C) | 12 ns (HC), 15 ns (HCT) | ns |
| Channel Capacity (CS (off), CD (off)) | 25pF | pF |
| Leakage Current (Off State) | 400nA | A |
Key Features
- Qualified for automotive applications
- Wide analog input voltage range: ±5V maximum
- Low ON-resistance and low OFF leakages
- Low crosstalk between switches
- Fast switching and propagation speeds
- Break-before-make switching
- Wide operating temperature range: –40°C to +125°C
- Direct LSTTL input logic compatibility and CMOS input compatibility
- Small charge injection and low crosstalk, reducing signal distortion and noise
- 3dB bandwidth up to 180MHz
Applications
- Sensor interface: Connecting various sensors such as temperature, humidity, pressure, and light sensitivity to collect and process sensor signals.
- Biometric identification: Functions like fingerprint recognition and iris recognition.
- Internet of Things (IoT): Connecting and communicating between IoT devices, such as RFID chips and Bluetooth chips.
- Data security: Security protection functions like encryption/decryption chips and security startup chips.
Q & A
- What is the CD74HC4051PWRG4 used for?
The CD74HC4051PWRG4 is a high-speed CMOS logic analog multiplexer and demultiplexer used for controlling analog voltages and switching between multiple analog inputs and outputs.
- What is the operating temperature range of the CD74HC4051PWRG4?
The operating temperature range is –55°C to +125°C.
- What is the typical ON-resistance of the CD74HC4051PWRG4?
The typical ON-resistance is 70Ω at VCC – VEE = 4.5V and 40Ω at VCC – VEE = 9V.
- What is the switch voltage range of the CD74HC4051PWRG4?
The switch voltage range is 0V to 10V.
- Is the CD74HC4051PWRG4 qualified for automotive applications?
Yes, it is qualified for automotive applications.
- What is the propagation delay of the CD74HC4051PWRG4 at 25°C?
The propagation delay is typically 12 ns for HC and 15 ns for HCT at 25°C.
- What is the channel capacity of the CD74HC4051PWRG4?
The channel capacity is 25pF when the switch is off.
- What are some common applications of the CD74HC4051PWRG4?
Common applications include sensor interfaces, biometric identification, IoT devices, and data security functions.
- What is the packaging type of the CD74HC4051PWRG4?
The packaging type is TSSOP-16.
- Is the CD74HC4051PWRG4 RoHS compliant?
Yes, it is Lead Free and RoHS compliant.
