MAX4066ACEE Equivalent & Substitute Parts

Part Overview

The MAX4066ACEE is a 4-circuit SPST-NO (Single Pole Single Throw - Normally Open) analog switch IC manufactured by Analog Devices Inc./Maxim Integrated. This component operates as a 1:1 multiplexer/demultiplexer with 45Ohm on-state resistance and is housed in a 16-QSOP surface mount package. The device is currently classified as obsolete, making identification of compatible substitute parts essential for ongoing production and maintenance applications.

Key Parameters

Parameter	Value
Switch Circuit Type	SPST - NO
Number of Circuits	4
Multiplexer/Demultiplexer Configuration	1:1
On-State Resistance (Max)	45Ohm
Channel-to-Channel Matching (ΔRon)	500mOhm
Supply Voltage Range (Single)	2V ~ 16V
Switch Time (Ton/Toff Max)	100ns / 75ns
-3dB Bandwidth	100MHz
Charge Injection	1pC
Channel Capacitance (CS(off)/CD(off))	9pF / 9pF
Leakage Current (IS(off) Max)	100pA
Crosstalk	-86dB @ 1MHz
Operating Temperature Range	0°C ~ 70°C
Package Type	16-SSOP (0.154", 3.90mm Width)
Mounting Type	Surface Mount

Substitute Part Grouping Explanation

Substitution eligibility for the MAX4066ACEE is determined by strict equivalence across the following critical parameters:

Switch Architecture: SPST-NO topology with 4 independent circuits
Electrical Performance: 45Ohm on-state resistance, 500mOhm channel matching, 100MHz bandwidth, and -86dB crosstalk
Timing Characteristics: 100ns maximum turn-on time and 75ns maximum turn-off time
Voltage Compatibility: Single supply operation from 2V to 16V
Physical Form Factor: 16-QSOP package with identical pin configuration and 0.154" width
Thermal Range: 0°C to 70°C operating temperature specification

The MAX4066ACEE+ qualifies as a direct substitute based on identical electrical specifications, matching package geometry, and compatible pinout. The primary distinction is product status and compliance certification.

Parameter Comparison

Parameter	MAX4066ACEE	MAX4066ACEE+
Switch Circuit	SPST - NO	SPST - NO
Number of Circuits	4	4
Multiplexer Configuration	1:1	1:1
On-State Resistance (Max)	45Ohm	45Ohm
Channel-to-Channel Matching	500mOhm	500mOhm
Supply Voltage (Single)	2V ~ 16V	2V ~ 16V
Switch Time (Ton/Toff)	100ns / 75ns	100ns / 75ns
-3dB Bandwidth	100MHz	100MHz
Charge Injection	1pC	1pC
Channel Capacitance	9pF / 9pF	9pF / 9pF
Leakage Current (Max)	100pA	100pA
Crosstalk	-86dB @ 1MHz	-86dB @ 1MHz
Operating Temperature	0°C ~ 70°C	0°C ~ 70°C
Package / Case	16-SSOP (0.154", 3.90mm Width)	16-SSOP (0.154", 3.90mm Width)
Mounting Type	Surface Mount	Surface Mount
Product Status	Obsolete	Active
RoHS Status	RoHS non-compliant	ROHS3 Compliant
Packaging	Not specified	Tube

Engineering Selection Recommendations

The MAX4066ACEE+ is the direct functional equivalent of the MAX4066ACEE. Selection between these parts should be based on the following factors:

Product Status: The MAX4066ACEE is classified as obsolete, while the MAX4066ACEE+ maintains active product status with ongoing manufacturer support and availability.

Regulatory Compliance: The MAX4066ACEE+ is ROHS3 compliant, whereas the original MAX4066ACEE is RoHS non-compliant. Applications subject to RoHS directives or requiring compliance documentation must use the MAX4066ACEE+.

Supply Chain Availability: The MAX4066ACEE+ is available in higher inventory quantities (2200 pcs) with tube packaging, compared to the MAX4066ACEE (926 pcs). For new designs or production runs, the MAX4066ACEE+ offers superior supply chain reliability.

Electrical Equivalence: Both parts are electrically identical across all specified parameters, including on-state resistance, switching times, bandwidth, and leakage characteristics. Direct substitution in existing circuit designs is supported without modification.

Environmental Certifications: Both parts maintain identical REACH and ECCN classifications, with no restrictions on substitution from a regulatory standpoint.

Frequently Asked Questions (FAQ)

Q: Can the MAX4066ACEE+ be used as a direct replacement for the MAX4066ACEE in existing designs?

A: Yes. The MAX4066ACEE+ is electrically and mechanically identical to the MAX4066ACEE. All electrical parameters, timing characteristics, and package dimensions are equivalent. Direct substitution is supported without circuit modification.

Q: What is the significance of the product status difference between these parts?

A: The MAX4066ACEE is classified as obsolete, indicating that Analog Devices has discontinued active production and support. The MAX4066ACEE+ maintains active status, ensuring continued availability, technical support, and compliance with current manufacturing standards.

Q: Does the RoHS compliance difference affect circuit performance?

A: No. RoHS compliance relates to material composition and environmental regulations, not electrical performance. Both parts meet identical electrical specifications. However, applications requiring RoHS certification must use the MAX4066ACEE+.

Q: Are the pin configurations identical between MAX4066ACEE and MAX4066ACEE+?

A: Yes. Both parts use the 16-QSOP package with identical pinout and 0.154" width. PCB layouts and socket designs are fully compatible.

Q: What packaging options are available for each part?

A: The MAX4066ACEE packaging type is not specified in the available data. The MAX4066ACEE+ is supplied in tube packaging, which is standard for surface mount components in production quantities.

Q: Are there any temperature or voltage derating considerations when substituting these parts?

A: No. Both parts operate identically across the 0°C to 70°C temperature range and 2V to 16V supply voltage range. No derating adjustments are required for substitution.

Q: Can these parts be used interchangeably in high-frequency applications?

A: Yes. Both parts maintain identical -3dB bandwidth of 100MHz and crosstalk performance of -86dB @ 1MHz, supporting equivalent performance in high-frequency signal switching applications.

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