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MAX392C/D Equivalent & Substitute Parts
Part Overview
The MAX392C/D is a 4-circuit IC switch with SPST-NO (Single Pole Single Throw - Normally Open) configuration, manufactured by Analog Devices Inc./Maxim Integrated. This die-packaged component operates with single supply voltage (3V to 15V) or dual supply voltage (±3V to ±8V), featuring 35Ohm on-state resistance and 130ns/75ns switch timing characteristics.
The MAX392C/D is classified as obsolete. Locating functional equivalents is necessary for new designs, production continuity, and long-term component availability assurance.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Switch Circuit Type | SPST - NO |
| Number of Circuits | 4 |
| On-State Resistance (Max) | 35Ohm |
| Channel-to-Channel Matching (ΔRon) | 300mOhm (Typ) |
| Voltage - Supply, Single (V+) | 3V ~ 15V |
| Voltage - Supply, Dual (V±) | ±3V ~ 8V |
| Switch Time (Ton, Toff) (Max) | 130ns, 75ns |
| Charge Injection | 2pC |
| Channel Capacitance (CS(off), CD(off)) | 9pF, 9pF |
| Current - Leakage (IS(off)) (Max) | 100pA |
| Crosstalk | -85dB @ 1MHz |
| Operating Temperature | 0°C ~ 70°C |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility for the MAX392C/D is determined by strict equivalence across the following critical parameters:
- Switch Circuit Configuration: SPST - NO topology with 4 independent circuits
- On-State Resistance: 35Ohm maximum specification
- Supply Voltage Range: 3V to 15V (single) and ±3V to ±8V (dual)
- Switching Performance: 130ns turn-on and 75ns turn-off timing
- Electrical Isolation: Crosstalk performance at -85dB @ 1MHz
- Leakage Characteristics: 100pA maximum off-state leakage current
- Compliance Standards: ROHS3 compliance and MSL Level 1 rating
The MAX392CSE+ qualifies as a direct substitute based on identical electrical specifications across all critical parameters. The primary difference is packaging format: the original part is supplied as a die, while the substitute is available in 16-SOIC surface-mount package.
Parameter Comparison
| Parameter | MAX392C/D (Die) | MAX392CSE+ (16-SOIC) |
|---|---|---|
| Switch Circuit | SPST - NO | SPST - NO |
| Number of Circuits | 4 | 4 |
| On-State Resistance (Max) | 35Ohm | 35Ohm |
| Channel-to-Channel Matching (ΔRon) | 300mOhm (Typ) | 300mOhm |
| Voltage - Supply, Single (V+) | 3V ~ 15V | 3V ~ 15V |
| Voltage - Supply, Dual (V±) | ±3V ~ 8V | ±3V ~ 8V |
| Switch Time (Ton, Toff) (Max) | 130ns, 75ns | 130ns, 75ns |
| Charge Injection | 2pC | 2pC |
| Channel Capacitance (CS(off), CD(off)) | 9pF, 9pF | 9pF, 9pF |
| Current - Leakage (IS(off)) (Max) | 100pA | 100pA |
| Crosstalk | -85dB @ 1MHz | -85dB @ 1MHz |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C (TA) |
| Product Status | Obsolete | Active |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) |
Engineering Selection Recommendations
The MAX392CSE+ is the manufacturer-recommended substitute for the obsolete MAX392C/D. Both components maintain identical electrical performance specifications and comply with ROHS3 environmental standards with MSL Level 1 rating.
The MAX392CSE+ offers the advantage of active product status, ensuring ongoing availability and manufacturing support. The 16-SOIC package format provides standard surface-mount compatibility for modern PCB assembly processes, whereas the die format of the original part requires specialized packaging and assembly procedures.
Selection between these components depends on application requirements: the die format may be necessary for hybrid circuit integration or specialized packaging applications, while the 16-SOIC package is suitable for conventional PCB-based designs.
Frequently Asked Questions (FAQ)
Q: Can the MAX392CSE+ directly replace the MAX392C/D in all applications?
A: Electrical specifications are identical across all critical parameters. Compatibility depends on packaging requirements. The MAX392CSE+ is packaged in 16-SOIC format for surface-mount assembly, while the MAX392C/D is a die requiring specialized integration. PCB layout and assembly processes must accommodate the 16-SOIC package footprint.
Q: What is the significance of the product status difference?
A: The MAX392C/D is classified as obsolete, indicating discontinued manufacturing and limited long-term availability. The MAX392CSE+ maintains active product status, ensuring continued manufacturing support, documented supply chains, and compliance with current industry standards.
Q: Are there compliance or certification differences between these parts?
A: Both components are ROHS3 compliant and carry MSL Level 1 rating. Compliance certifications are equivalent. The MAX392CSE+ carries ECCN classification EAR99, while the MAX392C/D is marked OBSOLETE for export control purposes.
Q: What packaging considerations apply to the MAX392CSE+?
A: The MAX392CSE+ is supplied in 16-SOIC (0.154", 3.90mm Width) package format with tube packaging. This standard surface-mount package is compatible with automated PCB assembly equipment and conventional soldering processes.
Q: Are the electrical performance characteristics identical?
A: Yes. On-state resistance, switching times, leakage current, crosstalk performance, and all other electrical parameters are identical between the MAX392C/D and MAX392CSE+. Both support identical supply voltage ranges and operating temperature specifications.
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