Overview
The 74HC4051BQ, produced by NXP USA Inc., is a single-pole octal-throw analog switch (SP8T) designed for use in both analog and digital 8:1 multiplexer/demultiplexer applications. This component is part of the 74HC/74HCT family, known for its high performance and versatility in various electronic designs. It is suitable for a wide range of applications, including automotive, industrial, power, computing, consumer, mobile, and wearable devices.
Key Specifications
| Parameter | Value |
|---|---|
| Type number | 74HC4051BQ |
| Configuration | SP8T-Z |
| VCC (V) | 2.0 - 10.0 |
| Logic switching levels | CMOS |
| RON (Ω) | 80 (typical) at VCC - VEE = 4.5 V 70 (typical) at VCC - VEE = 6.0 V 60 (typical) at VCC - VEE = 9.0 V |
| f (-3dB) (MHz) | 180 |
| THD (%) | 0.02 |
| Power dissipation considerations | Very low |
| Tamb (°C) | -40 to +125 |
| Package name | DHVQFN16 (SOT763-1) |
Key Features
- Wide analog input voltage range from -5 V to +5 V
- CMOS low power dissipation
- High noise immunity
- Complies with JEDEC standards
- Logic level translation to enable 5 V logic to communicate with ±5 V analog signals
- Typical ‘break before make’ built-in
- ESD protection: HBM (ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V), CDM (ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V)
- Multiple package options
- Specified from -40 °C to +85 °C and -40 °C to +125 °C
Applications
The 74HC4051BQ is versatile and can be used in various applications, including:
- Analog multiplexing and demultiplexing
- Digital multiplexing and demultiplexing
- Signal gating
- Automotive systems
- Industrial control systems
- Power management systems
- Computing and consumer electronics
- Mobile and wearable devices
Q & A
- What is the primary function of the 74HC4051BQ?
The 74HC4051BQ is a single-pole octal-throw analog switch (SP8T) used for analog and digital 8:1 multiplexer/demultiplexer applications. - What is the operating voltage range for the 74HC4051BQ?
The operating voltage range is from 2.0 V to 10.0 V. - What is the typical ON resistance of the 74HC4051BQ?
The typical ON resistance is 80 Ω at VCC - VEE = 4.5 V, 70 Ω at VCC - VEE = 6.0 V, and 60 Ω at VCC - VEE = 9.0 V. - Does the 74HC4051BQ have ESD protection?
Yes, it has ESD protection: HBM (ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V) and CDM (ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V). - What are the temperature specifications for the 74HC4051BQ?
The component is specified from -40 °C to +85 °C and -40 °C to +125 °C. - What package options are available for the 74HC4051BQ?
The component is available in the DHVQFN16 (SOT763-1) package. - Can the 74HC4051BQ handle high noise environments?
Yes, it has high noise immunity. - Is the 74HC4051BQ RoHS compliant?
Yes, it is RoHS compliant. - What are some common applications for the 74HC4051BQ?
Common applications include analog and digital multiplexing, signal gating, automotive systems, industrial control systems, and consumer electronics. - How does the 74HC4051BQ handle logic level translation?
The component enables 5 V logic to communicate with ±5 V analog signals through logic level translation.
