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CD4066BPWR
Texas Instruments
IC QUAD BILATERAL SWITCH 14TSSOP
21423 Pcs New Original In Stock
4 Circuit IC Switch 1:1 240Ohm 14-TSSOP
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5.0 / 5.0
- (61 Ratings)
CD4066BPWR
Product Overview
1262406
DiGi Electronics Part Number
CD4066BPWR-DGManufacturer
Texas Instruments
CD4066BPWR
Description
IC QUAD BILATERAL SWITCH 14TSSOPInventory
21423 Pcs New Original In Stock
4 Circuit IC Switch 1:1 240Ohm 14-TSSOP
CAD Models - PCB Symbols & Footprints
Quantity
Minimum 1
Minimum 1
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CD4066BPWR Technical Specifications
Category
Interface, Analog Switches, Multiplexers, Demultiplexers
Packaging
Cut Tape (CT) & Digi-Reel®
Series
4000B
Product Status
Active
Switch Circuit
SPST
Multiplexer/Demultiplexer Circuit
1:1
Number of Circuits
4
On-State Resistance (Max)
240Ohm
Channel-to-Channel Matching (ΔRon)
5Ohm
Voltage - Supply, Single (V+)
3V ~ 18V
Voltage - Supply, Dual (V±)
-
Switch Time (Ton, Toff) (Max)
-
-3db Bandwidth
40MHz
Charge Injection
-
Channel Capacitance (CS(off), CD(off))
8pF
Current - Leakage (IS(off)) (Max)
-
Crosstalk
-
Operating Temperature
-55°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
14-TSSOP (0.173", 4.40mm Width)
Supplier Device Package
14-TSSOP
Base Product Number
CD4066
Datasheet & Documents
HTML Datasheet
CD4066BPWR-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
-296-14123-1-DG
-CD4066BPWRG4
-CD4066BPWRE4
CD4066BPWRE4
TEXTISCD4066BPWR
-296-14123-1
2156-CD4066BPWR
296-14123-1
296-14123-2
-CD4066BPWRG4-NDR
296-14123-6
-CD4066BPWR-NDR
-CD4066BPWRE4-NDR
296-14123-6-NDR
CD4066BPWRE4-DG
Standard Package
2,000
Alternative Parts
PART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
грудня 02, 2025
收貨速度非常快，幾乎隔天就收到包裹，非常令人滿意，感受到DiGi Electronics的效率與用心。
грудня 02, 2025
They demonstrate a high level of professionalism in both shipping logistics and after-sales support.
грудня 02, 2025
The support team’s technical expertise has helped us troubleshoot complex issues effectively.
грудня 02, 2025
Their transparent approach to pricing makes me feel valued as a customer.
грудня 02, 2025
Fast shipping combined with professional customer support — highly commendable.
грудня 02, 2025
The packaging quality helps maintain product integrity throughout transit.
грудня 02, 2025
DiGi Electronics consistently provides reliable products that meet our company's operational demands. Their commitment to quality ensures minimal downtime in our daily processes.
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Frequently Asked Questions (FAQ)
What are the key design-in risks when using the CD4066BPWR in a mixed-signal multiplexing circuit with fast analog signals near 40MHz?
When using the CD4066BPWR in high-frequency analog switching applications close to its 40MHz -3dB bandwidth limit, the primary risk is signal attenuation and phase distortion due to the device's on-capacitance (8pF typical) and on-resistance (up to 240Ω). At signal frequencies above 10MHz, these parameters interact with external load impedances to form unintended RC filters. To mitigate this, ensure the source and load impedances are significantly lower than the switch's Ron and account for PCB parasitics. Use controlled impedance traces and consider adding a unity-gain buffer amplifier after the switch for low-impedance drive capability to maintain signal integrity in critical high-speed paths.
How does the CD4066BPWR compare to the MAX4661EAP+ for rail-to-rail analog switching in low-voltage battery-powered designs?
The CD4066BPWR supports a wide single supply range (3V to 18V), making it suitable for battery-powered systems, but its on-resistance increases significantly below 5V (up to 240Ω at minimum Vdd). In contrast, the MAX4661EAP+ offers lower and more stable Ron (~60Ω) down to 2.7V, better channel matching, and tighter specification over temperature. If your design operates below 5V and requires precision signal routing (e.g., sensor multiplexing in portable medical devices), the MAX4661EAP+ is superior. However, for cost-sensitive, higher-voltage (≥5V) industrial control applications where moderate Ron variation is acceptable, the CD4066BPWR remains a reliable, high-temperature rated (-55°C to 125°C) alternative with proven long-term availability.
Can the CD4066BPWR reliably switch bipolar signals in a single-supply system, and what protection measures are needed?
Yes, the CD4066BPWR can switch bipolar analog signals (e.g., ±5V) even in single-supply configurations (e.g., V+ = 12V, V- = 0V), as its bilateral switches allow bidirectional current flow. However, ensure that input signals never fall below GND or exceed V+ to prevent forward-biasing internal ESD diodes, which can cause latch-up or leakage. If bipolar signals extend beyond the supply rails, add current-limiting series resistors (e.g., 1kΩ) and clamp diodes to protect the CD4066BPWR inputs. Also, maintain a stable V+ with proper decoupling (0.1µF ceramic capacitor close to Vdd pin) to avoid supply noise coupling during switching transitions.
What are the reliability concerns when replacing aging DG201ADJYRQ1 automotive switches with CD4066BPWR in an industrial control module?
While the CD4066BPWR is not automotive-qualified, it can serve as a form-fit-function replacement for switches like the DG201ADJYRQ1 in industrial applications given its 14-TSSOP package and wide temperature support (-55°C to 125°C). However, the CD4066BPWR lacks the enhanced ESD protection and rigorous AEC-Q100 stress testing of the Q1-grade DG201ADJYRQ1. If your system faces harsh EMI or voltage transients, the CD4066BPWR may require additional external TVS diodes and filtering. Also, verify that the higher max Ron (240Ω vs. ~50Ω in DG201) won't impact signal accuracy in precision circuits. Use CD4066BPWR only in non-safety-critical, non-automotive systems where long-term industrial reliability suffices.
How should I address channel crosstalk and leakage in precision DC sensor multiplexing applications using the CD4066BPWR?
In precision DC or high-impedance sensor applications (e.g., thermocouples, pH probes), the CD4066BPWR’s off-channel capacitance (~8pF) and temperature-dependent leakage current (not specified but typical of CMOS) can introduce crosstalk and offset errors. To minimize risk, keep analog traces short and guard unused channels by tying them to a fixed voltage near the common mode level. Use a low-leakage op-amp as a buffer after the multiplexer to reduce loading effects. At temperatures above 85°C, leakage can increase significantly—consider derating performance or using guarded PCB layouts with ground moats around sensitive nodes. For ultra-low leakage needs, consider dedicated precision switches like the ADG633, but the CD4066BPWR remains viable in moderate-temperature, medium-precision systems with appropriate layout controls.
Quality Assurance (QC)
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CD4066BPWR CAD Models
Texas Instruments CD4066BPWR PCB symbols & footprints
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