Specifications
| Type | Description |
|---|---|
| Part Number | CD4051B |
| Manufacturer | Texas Instruments |
| Product Type | 8-channel analog multiplexer demultiplexer |
| Category | Signal Chain |
| Package / Case | CDIP/PDIP/SOIC/SOP/TSSOP-16 |
| Single Supply Range | 3 V to 20 V |
| Dual Supply Range | +/-3 V to +/-10 V |
| ON Resistance at 5 V | 470 ohm typ |
| ON Resistance at 10 V | 180 ohm typ |
| ON Resistance at 15 V | 125 ohm typ |
| Signal Propagation Delay at 5 V | 30 ns typ |
| Operating Temperature | -55 to 125°C |
| Datasheet Status | request_only |
Product Overview
The CD4051B is a Texas Instruments 8-channel analog multiplexer/demultiplexer. It supports single 3-20 V or dual +/-3 to +/-10 V supplies. On-resistance is 125 ohm typ at 15 V. Package options: CDIP-16, PDIP-16, SOIC-16, SOP-16, TSSOP-16.
Key Features
- 8-channel analog multiplexer/demultiplexer
- Single 3-20 V or dual +/-3-10 V supply
- 125 ohm typ ON resistance at 15 V
- Break-before-make switching
- 5 package options: CDIP-16 to TSSOP-16
Typical Applications
- Analog signal multiplexing
- Digital-controlled analog switching
- Signal routing in 3-20 V systems
- Dual-supply signal chains
Procurement Notes
When requesting a quote for CD4051B, buyers should confirm the manufacturer, package or case, required quantity, target date code, compliance documents, packing method, destination country and expected delivery schedule.
If alternatives are acceptable, buyers should share the approved vendor list, required electrical or optical limits, package constraints and qualification requirements. Any alternative part should be reviewed by the buyer's engineering team before production use.
For analog and signal-chain sourcing, supply voltage, bandwidth, accuracy, noise level, package, temperature grade, input/output configuration and qualification requirements should be verified before approval.
FAQ
What type of device is CD4051B?
8-channel analog multiplexer/demultiplexer.
What supply options?
3-20 V single or +/-3 to +/-10 V dual.
What ON resistance?
125 ohm typ at 15 V supply.
What packages?
CDIP, PDIP, SOIC, SOP, TSSOP (16-pin).
Technical Review & Sourcing Note
Prepared by LDeepAI Component Sourcing Team. Reviewed for RFQ, documentation and alternative sourcing use. Last updated: July 19, 2026.
This page is based on manufacturer datasheet information and LDeepAI sourcing review. Specifications should be verified against the official manufacturer datasheet before final procurement or design approval. Final electrical, optical and reliability approval should be confirmed by the buyer's engineering team.