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Product Detailed Parameters
- Description：SPST, 4 FUNC PDSO14
- Series：*
- Mfr：onsemi
- Package：Bulk
- Switch Circuit：-
- Multiplexer/Demultiplexer Circuit：-
- On-State Resistance (Max)：-
- Channel-to-Channel Matching (ΔRon)：-
- Voltage - Supply, Single (V+)：-
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：-
- -3db Bandwidth：-
- Charge Injection：-
- Channel Capacitance (CS(off), CD(off))：-
- Current - Leakage (IS(off)) (Max)：-
- Crosstalk：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Number of Circuits：-
- Grade：-
- Qualification：-
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Overview
The MC74HC4066AF is a quad analog switch manufactured by onsemi, featuring four independent single-pole single-throw (SPST) bidirectional switches in a 14-pin SOIC package. It operates within a supply voltage range of 2V to 12V and supports an analog signal bandwidth of 160MHz. Key electrical parameters include a maximum on-resistance of 120Ω, a typical off-isolation of 40dB, and a channel-to-channel resistance matching specification of 20Ω. The device functions reliably across an extended temperature range from -55°C to +125°C.
Feature Summary
- Provides four independent bidirectional analog switches for signal routing
- Features low on-resistance and high off-isolation for effective signal separation
- Supports wide analog input voltage ranges compatible with digital control signals
Applications
- Signal multiplexing and demultiplexing in data acquisition systems
- Programmable gain amplifiers and attenuator circuits
- Sample-and-hold circuit implementations
Procurement Notes
Verify the specific suffix 'AF' against official datasheets to confirm package dimensions and marking details. Ensure compliance requirements such as RoHS status are confirmed via current manufacturer documentation before procurement.
Selection Notes
Select this component when a quad SPST configuration is required for analog signal switching. Consider the 120Ω maximum on-resistance and 160MHz bandwidth limits relative to the application's signal integrity needs.
Part Context
This part belongs to the 74HC4066 family of CMOS analog switches. It serves as a standard solution for general-purpose analog signal routing, offering pin compatibility with other industry-standard quad analog switch devices while maintaining specific performance characteristics defined by onsemi.
Replacement Considerations
Cross-reference with CD4066BE or SN74HC4066N for functional equivalents. Verify pinout compatibility and electrical parameter alignment before substitution.
