MAX4558EEE Equivalent & Substitute Parts

Part Overview

The MAX4558EEE is an 8:1 analog multiplexer IC manufactured by Analog Devices Inc./Maxim Integrated, housed in a 16-QSOP surface mount package. This device functions as a single-circuit switch with 160Ohm on-state resistance, designed for signal routing and multiplexing applications across industrial and commercial systems.

The MAX4558EEE is classified as obsolete. Equivalent and substitute parts are necessary to maintain design continuity, ensure supply chain availability, and meet current manufacturing compliance standards including RoHS3 certification.

Key Parameters

Parameter	Value
Multiplexer Configuration	8:1
Number of Circuits	1
On-State Resistance (Max)	160Ohm
Channel-to-Channel Matching (ΔRon)	2Ohm
Voltage Supply - Single (V+)	2V ~ 12V
Voltage Supply - Dual (V±)	±2V ~ 6V
Switch Time (Ton/Toff Max)	150ns / 120ns
Charge Injection	2.4pC
Channel Capacitance (CS(off) / CD(off))	2.5pF / 10pF
Current - Leakage (IS(off) Max)	1nA
Crosstalk	-93dB @ 100kHz
Operating Temperature	-40°C ~ 85°C
Package / Case	16-SSOP (0.154", 3.90mm Width)
Mounting Type	Surface Mount
RoHS Status	RoHS non-compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following criteria:

Primary Compatibility Parameters:

Multiplexer configuration: 8:1
Number of circuits: 1
Package type: 16-pin surface mount (QSOP or TSSOP variants acceptable)
Voltage supply ranges: Single supply 2V ~ 12V or dual supply ±2V ~ 6V
Operating temperature: Minimum -40°C to 85°C or higher
On-state resistance: 160Ohm or lower (lower resistance is acceptable)
Channel-to-channel matching: 2Ohm or better

Substitute parts are grouped into three categories:

Direct Equivalents (Same Manufacturer): MAX4558EEE+ from Analog Devices Inc./Maxim Integrated with identical electrical specifications but active product status and improved RoHS3 compliance.
Functional Equivalents (Alternative Manufacturers): 74HC4051 series (Nexperia), ADG658 series (Analog Devices), and CD74HC4051 series (Texas Instruments) that meet the 8:1 multiplexer requirement with compatible electrical parameters and package options.
Performance-Enhanced Alternatives: Parts with lower on-state resistance (75Ohm ADG658 series) or faster switching times that maintain backward compatibility with the original design envelope.

Parameter Comparison

Part Number	Manufacturer	Mux Config	Ron (Max) Ohm	ΔRon Ohm	V+ Range	V± Range	Ton/Toff (Max) ns	Package	Temp Range °C	RoHS Status	Product Status
MAX4558EEE	Analog Devices	8:1	160	2	2V~12V	±2V~6V	150/120	16-QSOP	-40~85	Non-compliant	Obsolete
MAX4558EEE+	Analog Devices	8:1	160	2	2V~12V	±2V~6V	150/120	16-QSOP	-40~85	ROHS3 Compliant	Active
74HC4051PW,112	Nexperia	8:1	120	6	2V~10V	±1.5V~5V	51/42	16-TSSOP	-40~125	ROHS3 Compliant	Obsolete
74HC4051PW,118	Nexperia	8:1	120	6	2V~10V	±1.5V~5V	51/42	16-TSSOP	-40~125	ROHS3 Compliant	Active
74HC4051PW-Q100,11	Nexperia	8:1	120	6	2V~10V	±1.5V~5V	51/42	16-TSSOP	-40~125	ROHS3 Compliant	Active
74HCT4051PW,118	Nexperia	8:1	120	6	4.5V~5.5V	±1V~5V	39/32	16-TSSOP	-40~125	ROHS3 Compliant	Active
ADG658YRQZ	Analog Devices	8:1	75	1.3	2V~12V	±2V~6V	115/45	16-QSOP	-40~125	ROHS3 Compliant	Active
ADG658YRQZ-REEL7	Analog Devices	8:1	75	1.3	2V~12V	±2V~6V	115/45	16-QSOP	-40~125	ROHS3 Compliant	Active
ADG658YRUZ	Analog Devices	8:1	75	1.3	2V~12V	±2V~6V	115/45	16-TSSOP	-40~125	ROHS3 Compliant	Active
ADG658YRUZ-REEL7	Analog Devices	8:1	75	1.3	2V~12V	±2V~6V	115/45	16-TSSOP	-40~125	ROHS3 Compliant	Active
CD74HC4051QPWRG4Q1	Texas Instruments	8:1	130	5	2V~6V	±1V~5V	—	16-TSSOP	-40~125	ROHS3 Compliant	Last Time Buy

Engineering Selection Recommendations

Recommended Primary Substitute: MAX4558EEE+

The MAX4558EEE+ is the direct equivalent from the original manufacturer with identical electrical specifications. It maintains the same 160Ohm on-state resistance, 2Ohm channel matching, and dual/single supply voltage ranges. The primary advantage is active product status and ROHS3 compliance, eliminating obsolescence risk and meeting current manufacturing standards.

Recommended Secondary Substitutes: ADG658YRUZ or ADG658YRUZ-REEL7

The ADG658 series from Analog Devices provides superior electrical performance with 75Ohm on-state resistance and 1.3Ohm channel matching. These parts maintain the same voltage supply ranges (2V~12V single, ±2V~6V dual) and extended operating temperature (-40°C to 125°C). Both are active products with ROHS3 compliance. The TSSOP package variant (ADG658YRUZ) matches the 16-pin surface mount requirement. The -REEL7 packaging variant provides cut tape and digi-reel options for high-volume applications.

Alternative Substitutes: 74HC4051 Series (Nexperia)

The 74HC4051PW,118 and 74HC4051PW-Q100,11 variants offer active product status and ROHS3 compliance. These parts feature 120Ohm on-state resistance and faster switching times (51ns/42ns). The automotive-qualified variant (74HC4051PW-Q100,11) includes AEC-Q100 certification for automotive applications. Voltage supply ranges are narrower (2V~10V single, ±1.5V~5V dual) compared to the MAX4558EEE, requiring design verification for applications requiring the full 12V single supply capability.

Specialized Substitute: 74HCT4051PW,118 (TTL-Compatible)

The 74HCT4051PW,118 is suitable only for designs requiring TTL-level input compatibility with restricted supply voltage (4.5V~5.5V single supply). This part offers the fastest switching times (39ns/32ns) among available substitutes but is not backward compatible with designs using the full voltage range of the MAX4558EEE.

Last-Resort Option: CD74HC4051QPWRG4Q1 (Texas Instruments)

The CD74HC4051QPWRG4Q1 is automotive-qualified (AEC-Q100) with active design support from Texas Instruments. However, its product status is Last Time Buy, indicating discontinued production. This part should be selected only when automotive qualification is mandatory and supply chain alternatives are exhausted.

Frequently Asked Questions (FAQ)

Q: Can I directly replace MAX4558EEE with MAX4558EEE+ without design changes?

A: Yes. The MAX4558EEE+ is a direct equivalent with identical electrical specifications, package, and pinout. The only differences are active product status and ROHS3 compliance. No circuit modifications are required.

Q: What are the key differences between MAX4558EEE and ADG658YRUZ?

A: The ADG658YRUZ offers lower on-state resistance (75Ohm vs. 160Ohm) and better channel matching (1.3Ohm vs. 2Ohm). Both support the same voltage ranges (2V~12V single, ±2V~6V dual). The ADG658YRUZ operates to 125°C versus 85°C for the MAX4558EEE. The ADG658YRUZ is available in 16-TSSOP package, while the MAX4558EEE uses 16-QSOP. Both are active products with ROHS3 compliance.

Q: Can I use 74HC4051PW,118 in place of MAX4558EEE?

A: Functional substitution is possible if your design operates within the 74HC4051's voltage range (2V~10V single supply, ±1.5V~5V dual supply). The 74HC4051 has lower on-state resistance (120Ohm) and faster switching times (51ns/42ns), making it electrically compatible for most applications. However, designs requiring the full 12V single supply capability of the MAX4558EEE cannot use the 74HC4051 without circuit modification.

Q: What is the difference between 74HC4051PW,118 and 74HC4051PW-Q100,11?

A: Both parts have identical electrical specifications and package. The 74HC4051PW-Q100,11 includes automotive-grade qualification (AEC-Q100) and is part of the 74HC series designation. Select the automotive variant only if your application requires AEC-Q100 certification.

Q: Why would I choose ADG658YRUZ-REEL7 over ADG658YRUZ?

A: Both parts are electrically identical. The difference is packaging format: ADG658YRUZ is supplied in tube packaging, while ADG658YRUZ-REEL7 is supplied in cut tape and digi-reel format. Select the -REEL7 variant for high-volume production requiring automated pick-and-place assembly. Select the tube variant for lower-volume applications or manual assembly.

Q: Is the 74HCT4051PW,118 compatible with my MAX4558EEE design?

A: The 74HCT4051PW,118 is compatible only if your design uses 5V single supply operation. This part requires 4.5V~5.5V supply and is not compatible with designs using the MAX4558EEE's full 2V~12V range. The 74HCT variant is TTL-compatible and offers faster switching (39ns/32ns) but has narrower supply voltage tolerance.

Q: What does "Last Time Buy" status mean for CD74HC4051QPWRG4Q1?

A: Last Time Buy indicates the manufacturer has announced end-of-life production. Existing inventory may be available, but no new production is planned. This part should be avoided for new designs unless automotive AEC-Q100 qualification is mandatory and no other alternatives meet requirements.

Q: Are all substitute parts RoHS3 compliant?

A: All recommended substitute parts (MAX4558EEE+, ADG658 series, 74HC4051 series, 74HCT4051PW,118, and CD74HC4051QPWRG4Q1) are ROHS3 compliant. The original MAX4558EEE is RoHS non-compliant. Substitution to any recommended part ensures compliance with current environmental regulations.

Q: Can I mix different substitute parts in the same design?

A: No. Select a single substitute part number for your design. Mixing different multiplexer ICs introduces inconsistent electrical characteristics (on-state resistance, switching times, leakage current) that may cause signal integrity issues or timing violations. Standardize on one part number across all instances in your design.

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