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MAX4604CSE Equivalent & Substitute Parts
Part Overview
The MAX4604CSE is a 4-circuit IC switch with SPST-NC (Single Pole Single Throw - Normally Closed) configuration, rated for 4Ohm on-state resistance. This component is classified as obsolete, which necessitates identification of functionally equivalent alternatives for ongoing design support and procurement. The part operates across a wide supply voltage range (4.5V to 36V single supply, or ±4.5V to ±20V dual supply) and is packaged in a 16-SOIC surface-mount format.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Switch Circuit Configuration | SPST - NC |
| Number of Circuits | 4 |
| On-State Resistance (Max) | 4Ohm |
| Channel-to-Channel Matching (ΔRon) | 200mOhm |
| Voltage - Supply, Single (V+) | 4.5V ~ 36V |
| Voltage - Supply, Dual (V±) | ±4.5V ~ 20V |
| Switch Time (Ton, Toff) (Max) | 120ns, 130ns |
| Charge Injection | 225pC |
| Channel Capacitance (CS(off), CD(off)) | 34pF, 34pF |
| Current - Leakage (IS(off)) (Max) | 500pA |
| Crosstalk | -60dB @ 1MHz |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Package / Case | 16-SOIC (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount |
Substitute Part Grouping Explanation
Substitution of the MAX4604CSE is determined by strict equivalence across the following critical parameters:
- Switch topology: SPST-NC configuration with 4 independent circuits
- Electrical performance: 4Ohm maximum on-state resistance, 200mOhm channel matching, 120ns/130ns switching times
- Signal integrity: 225pC charge injection, 34pF channel capacitance, -60dB crosstalk at 1MHz
- Supply voltage compatibility: Single supply 4.5V to 36V or dual supply ±4.5V to ±20V
- Leakage specifications: 500pA maximum off-state leakage current
- Package compatibility: 16-SOIC surface-mount form factor
The MAX4604CSE+ meets all these criteria and is therefore a direct functional equivalent.
Parameter Comparison
| Parameter | MAX4604CSE | MAX4604CSE+ |
|---|---|---|
| Switch Circuit | SPST - NC | SPST - NC |
| Multiplexer/Demultiplexer Circuit | 1:1 | 1:1 |
| Number of Circuits | 4 | 4 |
| On-State Resistance (Max) | 4Ohm | 4Ohm |
| Channel-to-Channel Matching (ΔRon) | 200mOhm | 200mOhm |
| Voltage - Supply, Single (V+) | 4.5V ~ 36V | 4.5V ~ 36V |
| Voltage - Supply, Dual (V±) | ±4.5V ~ 20V | ±4.5V ~ 20V |
| Switch Time (Ton, Toff) (Max) | 120ns, 130ns | 120ns, 130ns |
| Charge Injection | 225pC | 225pC |
| Channel Capacitance (CS(off), CD(off)) | 34pF, 34pF | 34pF, 34pF |
| Current - Leakage (IS(off)) (Max) | 500pA | 500pA |
| Crosstalk | -60dB @ 1MHz | -60dB @ 1MHz |
| Operating Temperature | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) |
| Package / Case | 16-SOIC (0.154", 3.90mm Width) | 16-SOIC (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount | Surface Mount |
| Product Status | Obsolete | Active |
| RoHS Status | RoHS non-compliant | ROHS3 Compliant |
Engineering Selection Recommendations
The MAX4604CSE+ is the direct substitute for the MAX4604CSE. Both parts are manufactured by Analog Devices Inc./Maxim Integrated and share identical electrical and mechanical specifications. The primary distinction is product lifecycle status: the MAX4604CSE is obsolete, while the MAX4604CSE+ is active and available for procurement.
The MAX4604CSE+ additionally provides ROHS3 compliance, whereas the original MAX4604CSE is RoHS non-compliant. Both parts maintain REACH Unaffected status and EAR99 export classification. For new designs or ongoing production requiring this switch topology, the MAX4604CSE+ is the appropriate selection due to its active status and improved regulatory compliance.
Frequently Asked Questions (FAQ)
Q: Can MAX4604CSE+ be used as a direct replacement for MAX4604CSE in existing designs?
A: Yes. The MAX4604CSE+ is electrically and mechanically identical to the MAX4604CSE across all specified parameters. No circuit modifications are required for substitution.
Q: What is the difference between MAX4604CSE and MAX4604CSE+?
A: The parts are functionally equivalent. The primary differences are product status (obsolete vs. active) and RoHS compliance (non-compliant vs. ROHS3 compliant). Packaging differs only in format: MAX4604CSE is supplied as loose components, while MAX4604CSE+ is supplied in tubes.
Q: Are there any supply voltage or thermal operating range differences?
A: No. Both parts operate identically across the 4.5V to 36V single-supply range (or ±4.5V to ±20V dual-supply range) and maintain the same 0°C to 70°C operating temperature specification.
Q: Is the 16-SOIC package footprint identical between both parts?
A: Yes. Both parts use the 16-SOIC package with 0.154" (3.90mm) width. PCB layouts and assembly processes remain unchanged.
Q: Why should I transition from MAX4604CSE to MAX4604CSE+?
A: The MAX4604CSE is obsolete and subject to discontinuation. The MAX4604CSE+ ensures long-term availability and supply chain continuity. Additionally, ROHS3 compliance may be required for certain applications or markets.
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