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Product Detailed Parameters
- Description：IC SWITCH SPST-NOX4 70OHM 14SOIC
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR),Cut Tape (CT)
- Switch Circuit：SPST - NO
- Multiplexer/Demultiplexer Circuit：1:01
- On-State Resistance (Max)：70Ohm
- Channel-to-Channel Matching (ΔRon)：15Ohm
- Voltage - Supply, Single (V+)：2V ~ 12V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：-
- -3db Bandwidth：160MHz
- Charge Injection：-
- Channel Capacitance (CS(off), CD(off))：10pF
- Current - Leakage (IS(off)) (Max)：100nA
- Crosstalk：-80dB @ 1MHz
- Operating Temperature：-55°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：14-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：14-SOIC
- Number of Circuits：4
- Grade：-
- Qualification：-
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Overview
The MC74HC4066ADR2G is a quad analog switch manufactured by onsemi, utilizing high-performance silicon-gate CMOS technology. It features four independent bilateral switches capable of controlling analog and digital voltages across the full power-supply range from VCC to GND. The device operates with a supply voltage (VCC) between 2.0 V and 12.0 V. Key electrical parameters include a maximum ON resistance (Ron) of 120 Ω at 12 V supply, propagation delays ranging from 10 ns to 80 ns depending on voltage, and an operating temperature range of -55°C to +125°C. It is housed in a SOIC-14 package.
Feature Summary
- Utilizes silicon-gate CMOS technology for fast switching speeds and low OFF-channel leakage current.
- Provides improved linearity and lower ON resistance over input voltage compared to metal-gate CMOS equivalents.
- Features diode protection on all inputs and outputs to guard against static discharge.
- ON/OFF control inputs are compatible with standard CMOS outputs and LSTTL outputs when pull-up resistors are used.
Applications
- Multiplexer/Demultiplexer signal routing
- Sample-and-hold amplifier circuits
- Gate arrays for analog signal selection
Procurement Notes
Verify the specific ordering suffix 'R2G' corresponds to the SOIC-14 tape and reel packaging configuration. Confirm RoHS compliance status as indicated in the manufacturer's documentation. Ensure the component meets the required automotive or industrial qualification standards if applicable to the design environment.
Selection Notes
Select this component for applications requiring low crosstalk and wide bandwidth within a single supply voltage range. Consider the maximum ON resistance variation across different supply voltages when designing precision analog paths. Verify that the control logic levels match the system's CMOS or LSTTL interface requirements.
Part Context
This part belongs to the MC74HC4066A series of quad analog switches. It serves as a modern replacement for older metal-gate CMOS devices like the MC14016 and MC14066, offering superior performance characteristics such as reduced ON resistance non-linearity and faster propagation delays while maintaining pin compatibility.
Replacement Considerations
MC74HC4066ADG
FAQ
How does the ON resistance vary with supply voltage?
The maximum ON resistance decreases as the supply voltage increases. At 12.0 V, the maximum Ron is 120 Ω, whereas at 2.0 V, it can reach up to 200 Ω under specific test conditions.
What is the recommended handling for unused analog I/O pins?
Unused analog inputs and outputs may be left floating, but it is advisable to tie them to VCC or GND through a low-value resistor to minimize crosstalk and feedthrough noise pickup.
Can this device handle voltage transients above VCC or below GND?
The device includes internal diode protection, but for anticipated voltage transients exceeding the supply rails, external fast-turn-on diodes or Mosorbs are recommended to absorb current surges during clipping.
