Overview
The CD4051BPW is a CMOS analog multiplexer/demultiplexer produced by Texas Instruments. It is part of the CD405xB series, which includes digitally-controlled analog switches with low ON impedance and very low OFF leakage current. These devices are designed to handle a wide range of digital and analog signal levels, making them versatile for various applications.
Key Specifications
| Parameter | Value |
|---|---|
| Supply Voltage Range | 3V to 20V (single supply), ±3V to ±10V (dual supply) |
| Digital Signal Levels | 3V to 20V |
| Analog Signal Levels | ≤ 20VP-P |
| ON Resistance | 125Ω (typical) at VDD = 15V |
| OFF Resistance/Channel Leakage | ±10pA (typical) at VDD = 15V |
| Quiescent Power Dissipation | 0.2µW (typical) |
| Operating Temperature Range | -55°C to 125°C |
| Package Type | TSSOP (PW) with 16 pins |
| ESD Protection | HBM: 3000V, CDM: 2000V |
Key Features
- Wide range of digital and analog signal levels
- Low ON resistance and high OFF resistance
- Low quiescent power dissipation
- Break-before-make switching to eliminate channel overlap
- Bidirectional signal path
- Binary address decoding on chip
- Logic-level conversion for digital addressing signals
- ESD protection
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 CD4051BPW used for? The CD4051BPW is used for analog and digital multiplexing and demultiplexing, signal gating, and other applications requiring the switching of analog signals.
- What is the supply voltage range for the CD4051BPW? The supply voltage range is 3V to 20V for single supply and ±3V to ±10V for dual supply.
- What are the typical ON and OFF resistances of the CD4051BPW? The typical ON resistance is 125Ω at VDD = 15V, and the typical OFF resistance/channel leakage is ±10pA at VDD = 15V.
- What is the quiescent power dissipation of the CD4051BPW? The quiescent power dissipation is 0.2µW (typical).
- What is the operating temperature range of the CD4051BPW? The operating temperature range is -55°C to 125°C.
- What type of package does the CD4051BPW come in? The CD4051BPW comes in a TSSOP (PW) package with 16 pins.
- Does the CD4051BPW have ESD protection? Yes, it has ESD protection with HBM: 3000V and CDM: 2000V.
- What is the purpose of the break-before-make switching in the CD4051BPW? The break-before-make switching eliminates channel overlap.
- Is the CD4051BPW bidirectional? Yes, it has a bidirectional signal path.
- What types of applications can benefit from the CD4051BPW's logic-level conversion? Applications requiring the switching of analog signals using digital addressing signals can benefit from this feature.
