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MAX350CWN+ Equivalent & Substitute Parts
Part Overview
The MAX350CWN+ is a dual-circuit SP4T (Single-Pole, 4-Throw) analog switch manufactured by Analog Devices Inc./Maxim Integrated. This interface IC operates as a 4:1 multiplexer/demultiplexer with 100Ohm on-state resistance per channel. The device is actively produced and widely used in signal routing, audio switching, and precision analog applications requiring low on-state resistance and minimal crosstalk. Identifying equivalent parts becomes necessary when addressing supply chain constraints, regional availability, or specific procurement requirements while maintaining identical electrical and mechanical performance.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | MAX350CWN+ |
| Manufacturer | Analog Devices Inc./Maxim Integrated |
| Switch Circuit Configuration | SP4T (Single-Pole, 4-Throw) |
| Number of Circuits | 2 |
| Multiplexer/Demultiplexer Circuit | 4:1 |
| On-State Resistance (Max) | 100Ohm |
| Channel-to-Channel Matching (ΔRon) | 16Ohm (Max) |
| Supply Voltage - Single (V+) | 2.7V ~ 16V |
| Supply Voltage - Dual (V±) | ±2.7V ~ 8V |
| Switch Time (Ton/Toff) | 275ns / 150ns (Max) |
| Charge Injection | 1pC |
| Channel Capacitance (CS(off)/CD(off)) | 2pF / 2pF |
| Leakage Current (IS(off)) (Max) | 100pA |
| Crosstalk | -90dB @ 100kHz |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Package / Case | 18-SOIC (0.295", 7.50mm Width) |
| Mounting Type | Surface Mount |
| Product Status | Active |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility for the MAX350CWN+ is determined by strict equivalence across the following critical parameters:
Electrical Equivalence Criteria:
- Switch circuit configuration: SP4T (Single-Pole, 4-Throw)
- Number of circuits: 2
- Multiplexer/demultiplexer circuit: 4:1
- On-state resistance: 100Ohm maximum
- Channel-to-Channel matching (ΔRon): 16Ohm maximum
- Supply voltage ranges: 2.7V ~ 16V (single) and ±2.7V ~ 8V (dual)
- Switch timing: Ton ≤ 275ns, Toff ≤ 150ns
- Charge injection: 1pC
- Channel capacitance: 2pF (off-state)
- Leakage current: ≤ 100pA
- Crosstalk: ≤ -90dB @ 100kHz
Mechanical Equivalence Criteria:
- Package type: 18-SOIC (0.295", 7.50mm Width)
- Mounting type: Surface Mount
- Pin configuration: Identical to MAX350CWN+
Compliance Equivalence Criteria:
- RoHS3 compliance
- Moisture Sensitivity Level: 1 (Unlimited)
- Product status: Active
Based on the provided input data, the MAX350CWN+ is listed as its own direct equivalent with identical specifications across all electrical, mechanical, and compliance parameters.
Parameter Comparison
| Parameter | MAX350CWN+ (Main Part) | MAX350CWN+ (Direct Equivalent) |
|---|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated |
| Switch Circuit | SP4T | SP4T |
| Number of Circuits | 2 | 2 |
| Multiplexer/Demultiplexer | 4:1 | 4:1 |
| On-State Resistance (Max) | 100Ohm | 100Ohm |
| Channel-to-Channel Matching (ΔRon) | 16Ohm (Max) | 16Ohm (Max) |
| Supply Voltage - Single (V+) | 2.7V ~ 16V | 2.7V ~ 16V |
| Supply Voltage - Dual (V±) | ±2.7V ~ 8V | ±2.7V ~ 8V |
| Switch Time (Ton/Toff) | 275ns / 150ns (Max) | 275ns / 150ns (Max) |
| Charge Injection | 1pC | 1pC |
| Channel Capacitance (CS(off)/CD(off)) | 2pF / 2pF | 2pF / 2pF |
| Leakage Current (IS(off)) (Max) | 100pA | 100pA |
| Crosstalk | -90dB @ 100kHz | -90dB @ 100kHz |
| Operating Temperature | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) |
| Package / Case | 18-SOIC (0.295", 7.50mm Width) | 18-SOIC (0.295", 7.50mm Width) |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) |
Engineering Selection Recommendations
The MAX350CWN+ is an active product with full ROHS3 compliance and unlimited moisture sensitivity rating (MSL 1), making it suitable for standard manufacturing and storage conditions without special handling requirements. When selecting this component or its equivalents, confirm that the application requirements align with the specified operating temperature range of 0°C ~ 70°C. The device's active product status ensures continued availability and support from Analog Devices Inc./Maxim Integrated. All electrical parameters, including on-state resistance, crosstalk performance, and switching characteristics, remain consistent across equivalent parts, ensuring direct interchangeability in circuit designs without modification to PCB layout or signal routing.
Frequently Asked Questions (FAQ)
Q: What makes a part equivalent to the MAX350CWN+?
A: A part is equivalent to the MAX350CWN+ when it maintains identical electrical specifications (SP4T configuration, 4:1 multiplexing, 100Ohm on-state resistance, matching crosstalk and timing parameters), mechanical compatibility (18-SOIC package, surface mount), and compliance certifications (ROHS3, MSL 1).
Q: Can I substitute the MAX350CWN+ with a different switch circuit configuration?
A: No. The SP4T (Single-Pole, 4-Throw) configuration with dual circuits is specific to this device. Substitutes must maintain the same switch circuit topology and number of circuits to ensure functional equivalence.
Q: Are there any package alternatives for the MAX350CWN+?
A: The MAX350CWN+ is specified in 18-SOIC (0.295", 7.50mm Width) surface mount packaging. Equivalent parts must use the identical package type and pin configuration. Different package variants would require PCB redesign and are not considered direct substitutes.
Q: What is the significance of the 100Ohm on-state resistance specification?
A: The 100Ohm on-state resistance determines the signal attenuation and power dissipation characteristics in switching applications. Equivalent parts must maintain this specification to preserve circuit performance, signal integrity, and thermal behavior.
Q: Does the MAX350CWN+ require special handling during storage or assembly?
A: The MAX350CWN+ carries Moisture Sensitivity Level (MSL) 1, which indicates unlimited shelf life without special moisture control measures. Standard ESD precautions during assembly are recommended as with all semiconductor components.
Q: What operating temperature range is supported by the MAX350CWN+?
A: The MAX350CWN+ operates within 0°C ~ 70°C ambient temperature range (TA). Applications requiring extended temperature ranges require alternative components with different thermal specifications.
Q: Is the MAX350CWN+ compliant with environmental regulations?
A: Yes. The MAX350CWN+ is ROHS3 compliant and REACH unaffected, meeting current environmental and hazardous substance restrictions for electronic components in regulated markets.
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