Specifications
| Type | Description |
|---|---|
| Part Number | CD4066B |
| Manufacturer | Texas Instruments |
| Product Type | Quad bilateral switch |
| Category | Signal Chain |
| Package / Case | PDIP/SOIC/SOP/TSSOP-14 |
| Supply Range | 3 V to 18 V |
| ON Resistance at 15 V | 125 ohm typ |
| Off-State Leakage | 10 pA typ |
| Frequency Response | 40 MHz typ |
| Crosstalk at 8 MHz | -50 dB typ |
| Operating Temperature | -55 to 125°C |
| Datasheet Status | request_only |
Product Overview
The CD4066B is a Texas Instruments CMOS quad bilateral switch containing four independently controlled switches. Operates at 3-18 V supply differential. Key specs: 125 ohm typ rON at 15 V, 10 pA typ off-state leakage, 40 MHz frequency response. Packages: PDIP/SOIC/SOP/TSSOP-14.
Key Features
- Four independently controlled bilateral switches
- 3-18 V supply
- 125 ohm typ rON
- 40 MHz bandwidth
- Four 14-pin package options
Typical Applications
- Analog signal routing
- Multiplexed signal paths
- Low-leakage switching
- Audio and MHz-range switching
Procurement Notes
When requesting a quote for CD4066B, 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
How many switches?
Four independently controlled bilateral switches.
What supply range?
3 to 18 V.
What on-resistance?
125 ohm typ at 15 V.
What bandwidth?
40 MHz typical.
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.