MAX4800CXZ Equivalent & Substitute Parts

Part Overview

The MAX4800CXZ is an 8-circuit IC switch with SPST-NO configuration, designed for signal routing and multiplexing applications. Manufactured by Analog Devices Inc./Maxim Integrated, this component operates across a 2.7V to 13.2V supply range with 38Ohm on-state resistance and is housed in a 72-CSBGA package.

The MAX4800CXZ is classified as obsolete. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support long-term product availability for applications currently utilizing this component.

Key Parameters

Parameter	Value
Switch Circuit Type	SPST - NO
Number of Circuits	8
Multiplexer/Demultiplexer Configuration	1:1
On-State Resistance (Max)	38Ohm
Channel-to-Channel Matching (ΔRon)	1.9Ohm
Supply Voltage Range (Single)	2.7V ~ 13.2V
Switch Time (Ton, Toff)	5µs, 5µs
Charge Injection	820pC
Channel Capacitance (CS(off), CD(off))	18pF
Current - Leakage (IS(off)) (Max)	4µA
Crosstalk	-80dB @ 5MHz
Operating Temperature Range	0°C ~ 70°C
Package Type	72-CSBGA (6x5.35)
Mounting Type	Surface Mount

Substitute Part Grouping Explanation

Substitution eligibility for the MAX4800CXZ is determined by strict equivalence across the following critical parameters:

Switch circuit topology (SPST - NO)
Number of circuits (8)
Multiplexer configuration (1:1)
On-state resistance specification (38Ohm maximum)
Channel-to-channel matching tolerance (1.9Ohm)
Supply voltage range (2.7V ~ 13.2V)
Switch timing characteristics (5µs, 5µs)
Charge injection (820pC)
Channel capacitance (18pF)
Leakage current (4µA maximum)
Crosstalk performance (-80dB @ 5MHz)
Operating temperature range (0°C ~ 70°C)
Package specification (72-CSBGA, 6x5.35mm)

The MAX4800CXZ+ is identified as a direct substitute. This part maintains identical electrical specifications and package configuration while offering improved product status and compliance characteristics.

Parameter Comparison

Parameter	MAX4800CXZ	MAX4800CXZ+	Match Status
Switch Circuit Type	SPST - NO	SPST - NO	Identical
Number of Circuits	8	8	Identical
Multiplexer Configuration	1:1	1:1	Identical
On-State Resistance (Max)	38Ohm	38Ohm	Identical
Channel-to-Channel Matching (ΔRon)	1.9Ohm	1.9Ohm	Identical
Supply Voltage Range	2.7V ~ 13.2V	2.7V ~ 13.2V	Identical
Switch Time (Ton, Toff)	5µs, 5µs	5µs, 5µs	Identical
Charge Injection	820pC	820pC	Identical
Channel Capacitance	18pF	18pF	Identical
Leakage Current (IS(off)) (Max)	4µA	4µA	Identical
Crosstalk	-80dB @ 5MHz	-80dB @ 5MHz	Identical
Operating Temperature Range	0°C ~ 70°C	0°C ~ 70°C	Identical
Package Type	72-CSBGA (6x5.35)	72-CSBGA (6x5.35)	Identical
Mounting Type	Surface Mount	Surface Mount	Identical
Product Status	Obsolete	Active	Improved
RoHS Status	Not specified	ROHS3 Compliant	Improved
Moisture Sensitivity Level (MSL)	3 (168 Hours)	1 (Unlimited)	Improved
REACH Status	Not specified	REACH Unaffected	Improved

Engineering Selection Recommendations

The MAX4800CXZ+ is the direct substitute for the MAX4800CXZ. Both components are manufactured by Analog Devices Inc./Maxim Integrated and share identical electrical and mechanical specifications across all critical parameters.

The MAX4800CXZ+ offers significant advantages in product lifecycle and compliance status. The substitute part is classified as active, ensuring ongoing availability and manufacturer support. The MAX4800CXZ+ carries ROHS3 compliance certification and REACH unaffected status, meeting current regulatory requirements for electronic components in regulated markets.

The MAX4800CXZ+ features improved moisture sensitivity characteristics (MSL 1 with unlimited storage duration) compared to the original part (MSL 3 with 168-hour limitation). This enhancement reduces handling and storage constraints during manufacturing and logistics operations.

For applications currently specified with MAX4800CXZ, direct substitution with MAX4800CXZ+ is supported without circuit modification or re-qualification requirements.

Frequently Asked Questions (FAQ)

Q: Can MAX4800CXZ+ be used as a direct replacement for MAX4800CXZ in existing designs?

A: Yes. The MAX4800CXZ+ maintains identical electrical specifications, on-state resistance, switching characteristics, and package configuration. No circuit modifications are required for substitution.

Q: What is the difference between MAX4800CXZ and MAX4800CXZ+?

A: Both parts are functionally equivalent. The primary differences are product status (MAX4800CXZ+ is active versus obsolete), compliance certifications (ROHS3, REACH), and moisture sensitivity level (MSL 1 versus MSL 3). These differences do not affect electrical performance or circuit compatibility.

Q: Are there any package compatibility considerations?

A: Both parts use the 72-CSBGA package (6x5.35mm) with surface mount configuration. PCB footprints and assembly processes are identical.

Q: Why is the MAX4800CXZ classified as obsolete?

A: The MAX4800CXZ has reached end-of-life status. The MAX4800CXZ+ is the active production equivalent and is recommended for new designs and ongoing supply requirements.

Q: What is the significance of the improved MSL rating on MAX4800CXZ+?

A: MSL 1 (unlimited storage) provides greater flexibility in component handling, storage, and logistics compared to MSL 3 (168-hour limitation). This reduces the risk of moisture-related failures during manufacturing and extends shelf life without requiring specialized storage conditions.

Q: Are both parts available from the same manufacturer?

A: Yes. Both MAX4800CXZ and MAX4800CXZ+ are manufactured by Analog Devices Inc./Maxim Integrated.

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