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MAX4528ESA Equivalent & Substitute Parts
Part Overview
The MAX4528ESA is a 2-circuit SPDT (Single Pole Double Throw) analog switch IC manufactured by Analog Devices Inc./Maxim Integrated. This component functions as a 2:1 multiplexer/demultiplexer with 110Ohm on-state resistance, designed for signal routing and switching applications in analog systems. The MAX4528ESA is classified as obsolete, making identification of suitable alternatives essential for ongoing production and maintenance applications.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Switch Circuit Configuration | SPDT (Single Pole Double Throw) |
| Number of Circuits | 2 |
| Multiplexer/Demultiplexer Circuit | 2:1 |
| On-State Resistance (Max) | 110Ohm |
| Channel-to-Channel Matching (ΔRon) | 3Ohm |
| Voltage - Supply, Single (V+) | 2.7V ~ 12V |
| Voltage - Supply, Dual (V±) | ±2.7V ~ 6V |
| Charge Injection | 1pC |
| Channel Capacitance (CS(off), CD(off)) | 13pF |
| Current - Leakage (IS(off)) (Max) | 500pA |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility for the MAX4528ESA is determined by strict equivalence across the following critical parameters:
- Switch circuit configuration (SPDT)
- Number of circuits (2)
- Multiplexer/demultiplexer circuit topology (2:1)
- On-state resistance specification (110Ohm maximum)
- Channel-to-channel matching tolerance (3Ohm)
- Supply voltage ranges (single and dual configurations)
- Charge injection and leakage specifications
- Package type and pin configuration (8-SOIC)
- Operating temperature range (-40°C ~ 85°C)
The MAX4528ESA+ qualifies as a direct substitute based on identical electrical specifications and mechanical compatibility across all these parameters.
Parameter Comparison
| Parameter | MAX4528ESA | MAX4528ESA+ |
|---|---|---|
| Switch Circuit | SPDT | SPDT |
| Number of Circuits | 2 | 2 |
| Multiplexer/Demultiplexer Circuit | 2:1 | 2:1 |
| On-State Resistance (Max) | 110Ohm | 110Ohm |
| Channel-to-Channel Matching (ΔRon) | 3Ohm | 3Ohm |
| Voltage - Supply, Single (V+) | 2.7V ~ 12V | 2.7V ~ 12V |
| Voltage - Supply, Dual (V±) | ±2.7V ~ 6V | ±2.7V ~ 6V |
| Charge Injection | 1pC | 1pC |
| Channel Capacitance (CS(off), CD(off)) | 13pF | 13pF |
| Current - Leakage (IS(off)) (Max) | 500pA | 500pA |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) |
| Product Status | Obsolete | Active |
| RoHS Status | RoHS non-compliant | ROHS3 Compliant |
Engineering Selection Recommendations
The MAX4528ESA+ is the direct functional equivalent of the MAX4528ESA. Both parts maintain identical electrical and mechanical specifications across all critical switching parameters. The primary distinction lies in product lifecycle status and regulatory compliance.
The MAX4528ESA is classified as obsolete, whereas the MAX4528ESA+ maintains active product status with current manufacturing support. The MAX4528ESA+ additionally achieves ROHS3 compliance, compared to the non-compliant status of the original MAX4528ESA. This compliance improvement aligns with current environmental and regulatory requirements for electronic component procurement.
For new designs and ongoing production requiring this switch topology, the MAX4528ESA+ is the appropriate selection. For legacy system maintenance where the original MAX4528ESA is specified, the MAX4528ESA+ provides full electrical and mechanical compatibility without design modification.
Frequently Asked Questions (FAQ)
Q: Can MAX4528ESA+ directly replace MAX4528ESA in existing designs?
A: Yes. The MAX4528ESA+ provides identical electrical performance and mechanical compatibility. Both parts feature the same 8-SOIC package, pin configuration, and electrical specifications including 110Ohm on-state resistance, 2:1 multiplexer topology, and -40°C to 85°C operating range.
Q: What is the difference between MAX4528ESA and MAX4528ESA+?
A: The primary differences are product status and regulatory compliance. The MAX4528ESA is obsolete, while MAX4528ESA+ is active. The MAX4528ESA+ achieves ROHS3 compliance, whereas the MAX4528ESA is non-compliant. Electrical and mechanical specifications are identical.
Q: Are there packaging differences between these parts?
A: Both parts use the 8-SOIC package with 0.154" (3.90mm) width. The MAX4528ESA is supplied in standard packaging, while MAX4528ESA+ is supplied in tube packaging. Pin configuration and footprint are identical.
Q: What supply voltage configurations are supported?
A: Both parts support single supply operation from 2.7V to 12V (V+) and dual supply operation from ±2.7V to ±6V (V±).
Q: Is the MAX4528ESA+ suitable for new product designs?
A: Yes. The MAX4528ESA+ is the recommended choice for new designs. It maintains active product status with current manufacturing support and meets ROHS3 environmental compliance requirements.
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