Overview
The CD4051BF, produced by Harris Corporation, is a CMOS single 8-channel analog multiplexer/demultiplexer with logic-level conversion. This device is part of the CD4051B series and is known for its low ON impedance and very low OFF leakage current, making it suitable for a wide range of analog and digital signal applications. The CD4051BF is sensitive to electrostatic discharge and requires proper IC handling procedures to ensure its integrity.
Key Specifications
| Parameter | Value |
|---|---|
| Supply Voltage (VDD-VSS) | 3V to 20V |
| Analog Signal Range | Up to 20VP-P |
| ON Resistance (rON) | 5Ω (Typ) for VDD-VEE = 15V |
| OFF Channel Leakage Current | ±100pA (Typ) at VDD-VEE = 18V |
| Propagation Delay Time | 30ns (Max) for VDD = 15V, RL = 200kΩ, CL = 50pF |
| Input High Voltage (VIH) | 3.5V (Min) for VDD = 5V |
| Input Low Voltage (VIL) | 1.5V (Max) for VDD = 5V |
| Quiescent Power Dissipation | 0.2µW (Typ) at VDD-VSS = VDD-VEE = 10V |
| Operating Temperature Range | -55°C to 125°C |
| Package Types | CERAMIC DIP, SOP-16, TSSOP-16 |
Key Features
- Wide range of digital and analog signal levels: Digital signals from 3V to 20V and analog signals up to 20VP-P.
- Low ON resistance and high OFF resistance, ensuring minimal signal distortion.
- Logic-level conversion for digital addressing signals.
- Matched switch characteristics to minimize channel-to-channel variations.
- Very low quiescent power dissipation.
- Break-before-make switching to eliminate channel overlap.
Applications
- Analog and digital multiplexing and demultiplexing.
- A/D and D/A conversion.
- Signal gating.
- General-purpose switching applications where low ON resistance and high OFF resistance are required.
Q & A
- What is the CD4051BF used for? The CD4051BF is used for analog and digital multiplexing and demultiplexing, A/D and D/A conversion, and signal gating.
- What is the supply voltage range for the CD4051BF? The supply voltage range is from 3V to 20V.
- What is the typical ON resistance of the CD4051BF? The typical ON resistance is 5Ω for VDD-VEE = 15V.
- What is the maximum propagation delay time for the CD4051BF? The maximum propagation delay time is 30ns for VDD = 15V, RL = 200kΩ, and CL = 50pF.
- What is the operating temperature range for the CD4051BF? The operating temperature range is from -55°C to 125°C.
- Is the CD4051BF sensitive to electrostatic discharge? Yes, the CD4051BF is sensitive to electrostatic discharge and requires proper IC handling procedures.
- What are the package types available for the CD4051BF? The package types include CERAMIC DIP, SOP-16, and TSSOP-16.
- What is the quiescent power dissipation of the CD4051BF? The typical quiescent power dissipation is 0.2µW at VDD-VSS = VDD-VEE = 10V.
- Does the CD4051BF support logic-level conversion? Yes, it supports logic-level conversion for digital addressing signals.
- What is the maximum input current for the CD4051BF? The maximum input current is 1µA at 18V over the full package temperature range.
