Overview
The CD74HC4051-Q1 is a digitally controlled analog switch/multiplexer produced by Texas Instruments. This device utilizes silicon-gate CMOS technology to achieve operating speeds similar to LSTTL, while maintaining the low power consumption of standard CMOS integrated circuits. It is designed to control analog voltages that may vary across the voltage supply range, allowing any analog input to be used as an output and vice versa. The device features bidirectional switches with low ON resistance and low OFF leakages, and includes an enable control that disables all switches when high.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Part Number | CD74HC4051QPWRQ1 |
| Package Type | TSSOP (PW) 16 pins |
| Operating Temperature Range | -40°C to 125°C |
| Configuration | 8:1, Single Channel |
| Input/Output Voltage Range | -6V to 6V |
| ON Resistance (Typical) | 40Ω (VCC - VEE = 9V) |
| OFF-state Leakage Current (Max) | 2 µA |
| Bandwidth (Max) | 180 MHz |
| Supply Current (Typical) | 16 µA |
| Supply Range | 2V to 6V |
Key Features
- Qualified for automotive applications
- Wide analog input voltage range of ± 5V maximum
- Low ON resistance: 70Ω typical (VCC - VEE = 4.5V), 40Ω typical (VCC - VEE = 9V)
- Low crosstalk between switches
- Fast switching and propagation speeds
- Break-before-make switching
- Operation control voltage = 2V to 6V
- Switch voltage = 0V to 10V
- High noise immunity: NIL = 30%, NIH = 30% of VCC, VCC = 5V
Applications
The CD74HC4051-Q1 is primarily used in the automotive industry due to its qualification for automotive applications. It is suitable for various analog switching and multiplexing tasks where high speed, low power consumption, and robust noise immunity are required.
Q & A
- What is the CD74HC4051-Q1 used for?
The CD74HC4051-Q1 is a digitally controlled analog switch/multiplexer used for controlling analog voltages in various applications, particularly in the automotive industry.
- What is the operating temperature range of the CD74HC4051-Q1?
The operating temperature range is -40°C to 125°C.
- What is the typical ON resistance of the CD74HC4051-Q1?
The typical ON resistance is 40Ω when VCC - VEE = 9V.
- What is the bandwidth of the CD74HC4051-Q1?
The maximum bandwidth is 180 MHz.
- What is the supply current of the CD74HC4051-Q1?
The typical supply current is 16 µA.
- What is the configuration of the CD74HC4051-Q1?
The configuration is 8:1, single channel.
- Does the CD74HC4051-Q1 have break-before-make switching?
- What is the input/output voltage range of the CD74HC4051-Q1?
The input/output voltage range is -6V to 6V.
- Is the CD74HC4051-Q1 qualified for automotive applications?
- What is the package type of the CD74HC4051-Q1?
The package type is TSSOP (PW) with 16 pins.
