MAX4614EPD Equivalent & Substitute Parts

Part Overview

The MAX4614EPD is a 4-circuit SPST-NO analog switch IC manufactured by Analog Devices Inc./Maxim Integrated, designed for signal routing and multiplexing applications in interface circuits. This part operates with single supply voltage from 2V to 5.5V and features 10Ohm on-state resistance with fast switching characteristics. The MAX4614EPD is classified as obsolete, making identification of equivalent and substitute parts essential for design continuity and procurement planning. Active alternatives with compatible electrical and mechanical specifications are available from both Analog Devices and Texas Instruments.

Key Parameters

Parameter	Value
Switch Circuit Type	SPST - NO
Number of Circuits	4
Multiplexer/Demultiplexer Circuit	1:1
On-State Resistance (Max)	10Ohm
Channel-to-Channel Matching (ΔRon)	200mOhm
Voltage - Supply, Single (V+)	2V ~ 5.5V
Switch Time (Ton, Toff) (Max)	12ns, 10ns
-3dB Bandwidth	70MHz
Charge Injection	6.5pC
Channel Capacitance (CS(off), CD(off))	5pF, 5pF
Current - Leakage (IS(off)) (Max)	1nA
Crosstalk	-96dB @ 100kHz
Operating Temperature	-40°C ~ 85°C (TA)
Package / Case	14-DIP (0.300", 7.62mm)
Mounting Type	Through Hole
RoHS Status	RoHS non-compliant

Substitute Part Grouping Explanation

Substitution of the MAX4614EPD is determined by strict equivalence across the following critical parameters:

Primary Substitution Criteria:

Switch circuit topology (SPST - NO)
Number of circuits (4)
Multiplexer configuration (1:1)
Package type (14-DIP through-hole)
Operating temperature range (-40°C ~ 85°C)
Supply voltage compatibility (2V ~ 5.5V)

Secondary Compatibility Factors:

On-state resistance and channel matching characteristics
Switching speed and bandwidth performance
Leakage current and crosstalk specifications
RoHS and regulatory compliance status

Substitutes are grouped into two categories: direct equivalents from the same manufacturer with identical electrical specifications, and cross-manufacturer alternatives with compatible but differing performance characteristics.

Parameter Comparison

Parameter	MAX4614EPD (Main)	MAX4614EPD+ (Direct)	SN74AHC4066N (Alt)	SN74LV4066AN (Alt)
Manufacturer	Analog Devices	Analog Devices	Texas Instruments	Texas Instruments
Product Status	Obsolete	Active	Last Time Buy	Last Time Buy
Switch Circuit	SPST - NO	SPST - NO	SPST - NO	SPST - NO
Number of Circuits	4	4	4	4
On-State Resistance (Max)	10Ohm	10Ohm	75Ohm	75Ohm
Channel-to-Channel Matching (ΔRon)	200mOhm	200mOhm	2Ohm	2Ohm
Voltage - Supply, Single (V+)	2V ~ 5.5V	2V ~ 5.5V	2V ~ 5.5V	2V ~ 5.5V
Switch Time (Ton, Toff) (Max)	12ns, 10ns	12ns, 10ns	12ns, 12ns	12ns, 12ns
-3dB Bandwidth	70MHz	70MHz	50MHz	50MHz
Charge Injection	6.5pC	6.5pC	Not specified	Not specified
Channel Capacitance (CS(off), CD(off))	5pF, 5pF	5pF, 5pF	0.5pF, 5.5pF	0.5pF, 5.5pF
Current - Leakage (IS(off)) (Max)	1nA	1nA	100nA	100nA
Crosstalk	-96dB @ 100kHz	-96dB @ 100kHz	-45dB @ 1MHz	-45dB @ 1MHz
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Package / Case	14-DIP (0.300", 7.62mm)	14-DIP (0.300", 7.62mm)	14-DIP (0.300", 7.62mm)	14-DIP (0.300", 7.62mm)
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

MAX4614EPD+ (Direct Equivalent - Recommended Primary Substitute)

The MAX4614EPD+ is the direct successor to the MAX4614EPD from Analog Devices. It maintains identical electrical specifications including 10Ohm on-state resistance, 70MHz bandwidth, and 6.5pC charge injection. The primary distinction is product status: MAX4614EPD+ is active and ROHS3 compliant, whereas the original MAX4614EPD is obsolete and RoHS non-compliant. This part is suitable for all applications previously using MAX4614EPD with no design modifications required. Packaging is identical (14-DIP through-hole), and inventory availability is confirmed at 1113 pieces.

SN74AHC4066N and SN74LV4066AN (Cross-Manufacturer Alternatives)

Texas Instruments SN74AHC4066N and SN74LV4066AN are functionally equivalent SPST-NO 4-circuit switches in 14-DIP packages with identical supply voltage range and operating temperature specifications. These parts are suitable substitutes when MAX4614EPD+ is unavailable. Key differences include higher on-state resistance (75Ohm versus 10Ohm), reduced bandwidth (50MHz versus 70MHz), higher leakage current (100nA versus 1nA), and lower crosstalk performance (-45dB @ 1MHz versus -96dB @ 100kHz). Both parts are ROHS3 compliant and carry Last Time Buy status. Selection between SN74AHC4066N and SN74LV4066AN depends on application-specific performance requirements and inventory availability.

Frequently Asked Questions (FAQ)

Q: Can MAX4614EPD be directly replaced with MAX4614EPD+?

A: Yes. MAX4614EPD+ is the direct equivalent with identical electrical specifications and 14-DIP package. The only differences are product status (active versus obsolete) and RoHS compliance (ROHS3 versus non-compliant). No design changes are required.

Q: What are the key performance differences between MAX4614EPD and the Texas Instruments alternatives?

A: The primary differences are on-state resistance (10Ohm for MAX4614EPD versus 75Ohm for SN74AHC4066N/SN74LV4066AN), bandwidth (70MHz versus 50MHz), leakage current (1nA versus 100nA), and crosstalk performance (-96dB @ 100kHz versus -45dB @ 1MHz). These differences may impact signal integrity in high-frequency or low-noise applications.

Q: Are all substitute parts available in the same 14-DIP package?

A: Yes. MAX4614EPD+, SN74AHC4066N, and SN74LV4066AN are all packaged in 14-DIP (0.300", 7.62mm) through-hole format with identical pinout compatibility.

Q: What is the difference between SN74AHC4066N and SN74LV4066AN?

A: Both parts are functionally equivalent with identical electrical specifications. The primary distinction is product status: SN74AHC4066N and SN74LV4066AN are both Last Time Buy from Texas Instruments. Selection should be based on application requirements and current inventory availability.

Q: Is RoHS compliance a factor in selecting a substitute?

A: RoHS compliance status depends on application requirements and regulatory jurisdiction. MAX4614EPD is RoHS non-compliant, while MAX4614EPD+, SN74AHC4066N, and SN74LV4066AN are all ROHS3 compliant. For new designs or applications requiring RoHS compliance, MAX4614EPD+ or Texas Instruments alternatives are required.

Q: Can these parts be used interchangeably in existing designs?

A: MAX4614EPD and MAX4614EPD+ are fully interchangeable. Texas Instruments alternatives (SN74AHC4066N, SN74LV4066AN) are pin-compatible but have different electrical characteristics. Circuit performance may be affected by higher on-state resistance and reduced bandwidth. Design verification is necessary before substitution in performance-critical applications.

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