MAX398CPE Equivalent & Substitute Parts

Part Overview

The MAX398CPE is an 8:1 analog multiplexer/demultiplexer IC manufactured by Analog Devices Inc./Maxim Integrated. It features a single circuit configuration with 100Ohm on-state resistance and is housed in a 16-DIP package for through-hole mounting. The MAX398CPE is classified as obsolete, making identification of functionally equivalent alternatives necessary for ongoing system support and new design implementations where this component is specified.

Key Parameters

Parameter	Value
Multiplexer/Demultiplexer Circuit Configuration	8:1
Number of Circuits	1
On-State Resistance (Max)	100Ohm
Channel-to-Channel Matching (ΔRon)	6Ohm (Max)
Voltage - Supply, Single (V+)	3V ~ 15V
Voltage - Supply, Dual (V±)	±3V ~ 8V
Switch Time (Ton, Toff) (Max)	150ns, 150ns
Charge Injection	2pC
Channel Capacitance (CS(off), CD(off))	11pF, 40pF
Current - Leakage (IS(off)) (Max)	100pA
Crosstalk	-92dB @ 100kHz
Operating Temperature	0°C ~ 70°C (TA)
Package / Case	16-DIP (0.300", 7.62mm)
Mounting Type	Through Hole

Substitute Part Grouping Explanation

Substitution of the MAX398CPE is determined by strict equivalence across the following critical parameters:

Multiplexer configuration: 8:1 (single circuit)
On-state resistance: 100Ohm maximum
Channel-to-channel matching: 6Ohm maximum
Supply voltage ranges: 3V ~ 15V (single) and ±3V ~ 8V (dual)
Switch timing: 150ns maximum for both Ton and Toff
Charge injection: 2pC
Channel capacitance specifications: 11pF (CS(off)), 40pF (CD(off))
Leakage current: 100pA maximum
Crosstalk performance: -92dB @ 100kHz
Package: 16-DIP through-hole configuration
Operating temperature range: 0°C ~ 70°C

The MAX398CPE+ meets all these parameters and is classified as an active product, making it a direct functional equivalent suitable for replacement in applications currently using the obsolete MAX398CPE.

Parameter Comparison

Parameter	MAX398CPE (Main Part)	MAX398CPE+ (Substitute)
Manufacturer	Analog Devices Inc./Maxim Integrated	Analog Devices Inc./Maxim Integrated
Category	Interface	Interface
Multiplexer/Demultiplexer Circuit	8:1	8:1
Number of Circuits	1	1
On-State Resistance (Max)	100Ohm	100Ohm
Channel-to-Channel Matching (ΔRon)	6Ohm (Max)	6Ohm (Max)
Voltage - Supply, Single (V+)	3V ~ 15V	3V ~ 15V
Voltage - Supply, Dual (V±)	±3V ~ 8V	±3V ~ 8V
Switch Time (Ton, Toff) (Max)	150ns, 150ns	150ns, 150ns
Charge Injection	2pC	2pC
Channel Capacitance (CS(off), CD(off))	11pF, 40pF	11pF, 40pF
Current - Leakage (IS(off)) (Max)	100pA	100pA
Crosstalk	-92dB @ 100kHz	-92dB @ 100kHz
Operating Temperature	0°C ~ 70°C (TA)	0°C ~ 70°C (TA)
Package / Case	16-DIP (0.300", 7.62mm)	16-DIP (0.300", 7.62mm)
Mounting Type	Through Hole	Through Hole
Product Status	Obsolete	Active
RoHS Status	RoHS non-compliant	ROHS3 Compliant
Packaging	Not specified	Tube

Engineering Selection Recommendations

The MAX398CPE+ is the direct equivalent for the obsolete MAX398CPE. Both parts are manufactured by Analog Devices Inc./Maxim Integrated and share identical electrical and mechanical specifications across all critical parameters. The primary distinction is product status: the MAX398CPE+ is actively manufactured and supported, whereas the MAX398CPE is obsolete.

The MAX398CPE+ offers additional compliance advantages. It meets ROHS3 requirements, whereas the original MAX398CPE is RoHS non-compliant. Both parts maintain REACH Unaffected status and carry the same ECCN (EAR99) and HTSUS (8542.39.0001) classifications.

For new designs or system replacements, the MAX398CPE+ is the appropriate selection. The identical electrical performance ensures drop-in compatibility in existing circuit implementations without design modification.

Frequently Asked Questions (FAQ)

Q: Can the MAX398CPE+ be used as a direct replacement for the MAX398CPE?

A: Yes. The MAX398CPE+ is electrically and mechanically identical to the MAX398CPE across all specified parameters. Both are 8:1 multiplexer ICs in 16-DIP through-hole packages with 100Ohm on-state resistance and identical supply voltage ranges. The parts are pin-compatible and functionally equivalent.

Q: What is the primary reason to transition from MAX398CPE to MAX398CPE+?

A: The MAX398CPE is classified as obsolete, making long-term availability uncertain. The MAX398CPE+ is an active product with established supply chains. Additionally, the MAX398CPE+ meets ROHS3 compliance standards, whereas the original part does not.

Q: Are there any differences in package configuration between these parts?

A: Both parts use the same 16-DIP (0.300", 7.62mm) through-hole package. The MAX398CPE+ is supplied in tube packaging, while the original MAX398CPE packaging specification is not detailed. This difference does not affect electrical performance or board-level compatibility.

Q: Do these parts have identical electrical performance?

A: Yes. The MAX398CPE and MAX398CPE+ share identical specifications for on-state resistance (100Ohm), channel-to-channel matching (6Ohm max), switch timing (150ns), charge injection (2pC), channel capacitance, leakage current (100pA), and crosstalk performance (-92dB @ 100kHz). Supply voltage ranges and operating temperature ranges are also identical.

Q: Are there any compliance or certification differences?

A: The MAX398CPE+ is ROHS3 compliant, while the MAX398CPE is RoHS non-compliant. Both parts maintain REACH Unaffected status. For applications subject to RoHS requirements, the MAX398CPE+ is the appropriate selection.

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