Overview
The CD4051BNSR, produced by Texas Instruments, is a 20-V, 8:1, 1-channel analog multiplexer with logic-level conversion. This device is part of the CD405xB series, which includes digitally-controlled analog switches with low ON impedance and very low OFF leakage current. The CD4051B is designed to handle a wide range of digital and analog signal levels, making it versatile for various applications.
Key Specifications
| Parameter | Value |
|---|---|
| Package | SOP (NS), 16 pins |
| Operating Temperature Range | -55°C to 125°C |
| Digital Signal Range | 3V to 20V |
| Analog Signal Range | ≤ 20VP-P |
| Single Supply Range | 3V to 20V |
| Dual Supply Range | ± 3V to ± 10V |
| ON Resistance (typical) | 125Ω at VDD = 15V |
| Channel Leakage (typical) | ±10pA at VDD = 15V |
| Quiescent Power Dissipation (typical) | 0.2µW |
| Propagation Delay Time | 120ns to 450ns depending on VDD and load conditions |
| ESD Protection | HBM: 3000V, CDM: 2000V |
Key Features
- Wide range of digital and analog signal levels: Digital (3V to 20V), Analog (≤ 20VP-P)
- Single supply range: 3V to 20V, Dual supply range: ± 3V to ± 10V
- Low ON resistance and low channel leakage
- Low quiescent power dissipation: 0.2µW (typical)
- Break-before-make switching to eliminate channel overlap
- Bidirectional signal path
- ESD protection: HBM 3000V, CDM 2000V
- Pin compatible with industry standard 4051 muxes
Applications
The CD4051BNSR is suitable for a variety of applications where analog signal switching is required, such as in audio and video signal routing, medical equipment, industrial control systems, and any scenario where multiple analog signals need to be selectively switched under digital control.
Q & A
- What is the CD4051BNSR? The CD4051BNSR is a 20-V, 8:1, 1-channel analog multiplexer with logic-level conversion produced by Texas Instruments.
- What is the operating temperature range of the CD4051BNSR? The operating temperature range is -55°C to 125°C.
- What are the digital and analog signal ranges for the CD4051BNSR? The digital signal range is 3V to 20V, and the analog signal range is ≤ 20VP-P.
- What is the typical ON resistance of the CD4051BNSR? The typical ON resistance is 125Ω at VDD = 15V.
- Does the CD4051BNSR have ESD protection? Yes, it has ESD protection with HBM 3000V and CDM 2000V.
- What is the quiescent power dissipation of the CD4051BNSR? The quiescent power dissipation is 0.2µW (typical).
- Is the CD4051BNSR bidirectional? Yes, the CD4051BNSR has a bidirectional signal path.
- What is the propagation delay time of the CD4051BNSR? The propagation delay time ranges from 120ns to 450ns depending on VDD and load conditions.
- Is the CD4051BNSR pin compatible with other industry standard 4051 muxes? Yes, it is pin compatible with industry standard 4051 muxes.
- What are some common applications of the CD4051BNSR? Common applications include audio and video signal routing, medical equipment, and industrial control systems.
