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MAX4580CWE Equivalent & Substitute Parts
Part Overview
The MAX4580CWE is a 2-circuit IC switch with SPST-NC (Single Pole Single Throw - Normally Closed) configuration manufactured by Analog Devices Inc./Maxim Integrated. This component operates as a 1:1 multiplexer/demultiplexer with 1.25Ohm on-state resistance and is housed in a 16-SOIC surface mount package. The MAX4580CWE is classified as obsolete, making identification of suitable substitutes necessary for ongoing design support and production continuity.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Switch Circuit Configuration | SPST - NC |
| Number of Circuits | 2 |
| Multiplexer/Demultiplexer Ratio | 1:1 |
| On-State Resistance (Max) | 1.25Ohm |
| Channel-to-Channel Matching (ΔRon) | 500mOhm |
| Supply Voltage - Single (V+) | 4.5V ~ 36V |
| Supply Voltage - Dual (V±) | ±4.5V ~ 20V |
| Switch Time (Ton, Toff) Max | 160ns, 210ns |
| Charge Injection | -60pC |
| Channel Capacitance (CS(off), CD(off)) | 115pF |
| Current - Leakage (IS(off)) Max | 500pA |
| Crosstalk | -65dB @ 1MHz |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Package / Case | 16-SOIC (0.295", 7.50mm Width) |
| Mounting Type | Surface Mount |
Substitute Part Grouping Explanation
Substitution of the MAX4580CWE is determined by strict equivalence across the following critical parameters:
- Switch circuit topology: SPST - NC configuration with 2 circuits
- Electrical performance: 1.25Ohm maximum on-state resistance, 500mOhm channel matching, 160ns/210ns switching times
- Signal integrity: -60pC charge injection, 115pF channel capacitance, -65dB crosstalk at 1MHz
- Power supply compatibility: 4.5V ~ 36V single supply or ±4.5V ~ 20V dual supply operation
- Package specification: 16-SOIC surface mount form factor with identical pinout
- Leakage current: 500pA maximum off-state leakage
The MAX4580CWE+ is a direct functional equivalent that maintains all electrical and mechanical specifications while offering improved product status and compliance certifications.
Parameter Comparison
| Parameter | MAX4580CWE | MAX4580CWE+ |
|---|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated |
| Switch Circuit | SPST - NC | SPST - NC |
| Number of Circuits | 2 | 2 |
| Multiplexer/Demultiplexer Ratio | 1:1 | 1:1 |
| On-State Resistance (Max) | 1.25Ohm | 1.25Ohm |
| Channel-to-Channel Matching (ΔRon) | 500mOhm | 500mOhm |
| Supply Voltage - Single (V+) | 4.5V ~ 36V | 4.5V ~ 36V |
| Supply Voltage - Dual (V±) | ±4.5V ~ 20V | ±4.5V ~ 20V |
| Switch Time (Ton, Toff) Max | 160ns, 210ns | 160ns, 210ns |
| Charge Injection | -60pC | -60pC |
| Channel Capacitance (CS(off), CD(off)) | 115pF | 115pF |
| Current - Leakage (IS(off)) Max | 500pA | 500pA |
| Crosstalk | -65dB @ 1MHz | -65dB @ 1MHz |
| Operating Temperature | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) |
| Package / Case | 16-SOIC (0.295", 7.50mm Width) | 16-SOIC (0.295", 7.50mm 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 MAX4580CWE+ is the direct substitute for the MAX4580CWE. Both parts are electrically and mechanically identical across all specified parameters. The MAX4580CWE+ is preferred for new designs and production continuity due to its active product status and ROHS3 compliance certification. The MAX4580CWE is obsolete and should be replaced with the MAX4580CWE+ in all applications where component availability and regulatory compliance are considerations.
Frequently Asked Questions (FAQ)
Q: Are MAX4580CWE and MAX4580CWE+ pin-compatible? A: Yes. Both parts use the 16-SOIC package with identical pinout and can be used interchangeably without PCB modifications.
Q: What is the difference between MAX4580CWE and MAX4580CWE+? A: The parts are electrically equivalent. The primary differences are product status (obsolete vs. active), RoHS compliance (non-compliant vs. ROHS3 compliant), and packaging format (unspecified vs. tube).
Q: Can MAX4580CWE+ replace MAX4580CWE in existing designs? A: Yes. The MAX4580CWE+ maintains all electrical specifications and operating parameters, making it a direct functional replacement.
Q: What supply voltages are supported? A: The MAX4580CWE and MAX4580CWE+ support single supply operation from 4.5V to 36V or dual supply operation from ±4.5V to ±20V.
Q: What is the on-state resistance specification? A: Maximum on-state resistance is 1.25Ohm with channel-to-channel matching of 500mOhm.
Q: Is the 16-SOIC package suitable for automated assembly? A: Yes. Both parts are surface mount components in 16-SOIC packaging (0.295" width, 7.50mm) compatible with standard pick-and-place equipment.
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