Overview
The CD4051B-Q1 is an automotive-grade, 8:1, single-channel analog multiplexer manufactured by Texas Instruments. This device is designed for use in a wide range of applications, particularly in the automotive sector, due to its AEC-Q100 qualification and temperature grade 1 rating from –45°C to +125°C. The CD4051B-Q1 features low ON resistance and very low OFF leakage current, making it suitable for analog and digital multiplexing and demultiplexing tasks. It is packaged in a 16-pin TSSOP (PW) package, ensuring compact and efficient integration into various systems.
Key Specifications
| Specification | Value |
|---|---|
| Package | TSSOP (PW), 16 pins |
| Operating Temperature Range | –40°C to 125°C |
| Digital Signal Levels | 3V to 20V |
| Analog Signal Levels | ≤ 20V P-P |
| ON Resistance (typical) | 125Ω over 15V P-P signal input range for VDD – VEE = 18V |
| OFF Resistance (typical) | ±100pA at VDD – VEE = 18V |
| Quiescent Power Dissipation (typical) | 0.2µW at VDD – VSS = VDD – VEE = 10V |
| Maximum Input Current | 1µA at 18V over full package temperature range, 100nA at 18V and 25°C |
Key Features
- AEC-Q100 qualified for automotive applications with a temperature grade 1 rating from –45°C to +125°C.
- Wide range of digital and analog signal levels: digital signals from 3V to 20V and analog signals up to 20V P-P.
- Low ON resistance (125Ω typical) and high OFF resistance (±100pA typical) for efficient switching.
- Logic-level conversion for digital addressing signals.
- Binary address decoding on chip.
- Break-before-make switching to eliminate channel overlap.
- Pin compatible with Industry Standard 4053 Multiplexers.
- Very low quiescent power dissipation (0.2µW typical at VDD – VSS = VDD – VEE = 10V).
Applications
- Analog and digital multiplexing and demultiplexing.
- Analog to digital and digital to analog conversion.
- Signal gating.
- Factory automation.
- Televisions.
- Appliances.
- Consumer audio.
- Programmable logic circuits.
- Sensors.
Q & A
- What is the CD4051B-Q1 used for?
The CD4051B-Q1 is used for analog and digital multiplexing and demultiplexing, signal gating, and other applications requiring low ON resistance and high OFF resistance. - What is the operating temperature range of the CD4051B-Q1?
The operating temperature range is from –40°C to 125°C. - What are the digital and analog signal level ranges for the CD4051B-Q1?
Digital signals range from 3V to 20V, and analog signals can be up to 20V P-P. - What is the typical ON resistance of the CD4051B-Q1?
The typical ON resistance is 125Ω over a 15V P-P signal input range for VDD – VEE = 18V. - Is the CD4051B-Q1 AEC-Q100 qualified?
Yes, the CD4051B-Q1 is AEC-Q100 qualified for automotive applications. - What type of package does the CD4051B-Q1 come in?
The CD4051B-Q1 comes in a 16-pin TSSOP (PW) package. - What is the quiescent power dissipation of the CD4051B-Q1?
The quiescent power dissipation is typically 0.2µW at VDD – VSS = VDD – VEE = 10V. - Does the CD4051B-Q1 have break-before-make switching?
Yes, the CD4051B-Q1 features break-before-make switching to eliminate channel overlap. - Is the CD4051B-Q1 pin compatible with other multiplexers?
Yes, it is pin compatible with Industry Standard 4053 Multiplexers. - What are some common applications of the CD4051B-Q1?
Common applications include factory automation, televisions, appliances, consumer audio, and sensors.
