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MAX4514CSA Equivalent & Substitute Parts
Part Overview
The MAX4514CSA is a single-circuit SPST (Single Pole Single Throw) normally-open IC switch manufactured by Analog Devices Inc./Maxim Integrated. This component operates as a 1:1 multiplexer/demultiplexer with a maximum on-state resistance of 20Ohm and is housed in an 8-SOIC surface mount package. The MAX4514CSA is classified as obsolete, making identification of suitable substitute parts essential for ongoing design support and procurement planning.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Switch Circuit Type | SPST - NO (Single Pole Single Throw - Normally Open) |
| Multiplexer/Demultiplexer Configuration | 1:1 |
| Number of Circuits | 1 |
| On-State Resistance (Max) | 20Ohm |
| Supply Voltage Range (Single) | 2V ~ 12V |
| Switch Time - Turn On (Ton) | 150ns |
| Switch Time - Turn Off (Toff) | 100ns |
| Charge Injection | 2pC |
| Channel Capacitance (CS(off), CD(off)) | 14pF, 14pF |
| Current - Leakage (IS(off)) Max | 1nA |
| Operating Temperature Range | 0°C ~ 70°C |
| Mounting Type | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution of the MAX4514CSA is determined by strict equivalence across the following critical parameters:
- Switch Circuit Configuration: SPST - NO topology must be maintained
- Multiplexer Ratio: 1:1 configuration required
- On-State Resistance: Maximum 20Ohm specification
- Supply Voltage Range: 2V ~ 12V single supply operation
- Switching Performance: Ton ≤ 150ns, Toff ≤ 100ns
- Charge Injection: 2pC maximum
- Channel Capacitance: CS(off) and CD(off) at 14pF each
- Leakage Current: IS(off) ≤ 1nA
- Operating Temperature: 0°C ~ 70°C range
- Package: 8-SOIC surface mount form factor
The MAX4514CSA+ is identified as a direct substitute based on identical electrical specifications and mechanical compatibility. The primary distinction is product status and compliance certification.
Parameter Comparison
| Parameter | MAX4514CSA | MAX4514CSA+ |
|---|---|---|
| Switch Circuit | SPST - NO | SPST - NO |
| Multiplexer Configuration | 1:1 | 1:1 |
| Number of Circuits | 1 | 1 |
| On-State Resistance (Max) | 20Ohm | 20Ohm |
| Supply Voltage (V+) | 2V ~ 12V | 2V ~ 12V |
| Switch Time Ton (Max) | 150ns | 150ns |
| Switch Time Toff (Max) | 100ns | 100ns |
| Charge Injection | 2pC | 2pC |
| Channel Capacitance CS(off) | 14pF | 14pF |
| Channel Capacitance CD(off) | 14pF | 14pF |
| Leakage Current IS(off) (Max) | 1nA | 1nA |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C |
| Package / Case | 8-SOIC | 8-SOIC |
| Mounting Type | Surface Mount | Surface Mount |
| Product Status | Obsolete | Active |
| RoHS Status | RoHS non-compliant | ROHS3 Compliant |
Engineering Selection Recommendations
The MAX4514CSA+ is the direct functional equivalent of the MAX4514CSA. Both parts maintain identical electrical and mechanical specifications across all critical parameters. The MAX4514CSA+ is preferred for new designs and ongoing procurement due to its active product status and ROHS3 compliance certification. The MAX4514CSA, classified as obsolete, should be replaced with the MAX4514CSA+ in applications where component availability and regulatory compliance are considerations. Both parts are manufactured by Analog Devices Inc./Maxim Integrated and share the same base product number (MAX4514), confirming design compatibility.
Frequently Asked Questions (FAQ)
Q: Can the MAX4514CSA+ be used as a direct replacement for the MAX4514CSA?
A: Yes. The MAX4514CSA+ is electrically and mechanically identical to the MAX4514CSA across all specified parameters, including on-state resistance, switching times, charge injection, and package configuration. Both parts are pin-compatible 8-SOIC surface mount devices.
Q: What is the primary difference between these two parts?
A: The MAX4514CSA is classified as obsolete, while the MAX4514CSA+ maintains active product status. Additionally, the MAX4514CSA+ is ROHS3 compliant, whereas the MAX4514CSA is RoHS non-compliant. Electrical performance is identical.
Q: Are there any package or pinout differences?
A: No. Both the MAX4514CSA and MAX4514CSA+ use the 8-SOIC (0.154", 3.90mm Width) surface mount package with identical pinout and mechanical dimensions.
Q: What supply voltage range does this switch support?
A: Both parts operate with a single supply voltage range of 2V ~ 12V, making them suitable for low-voltage and standard logic applications.
Q: What is the maximum on-state resistance specification?
A: The maximum on-state resistance for both parts is 20Ohm, which determines the insertion loss and power dissipation characteristics in switching applications.
Q: What are the switching speed specifications?
A: Turn-on time (Ton) is specified at 150ns maximum, and turn-off time (Toff) is specified at 100ns maximum for both parts.
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