Request Quote
(Ships tomorrow)
MAX4544CPA Equivalent & Substitute Parts
Part Overview
The MAX4544CPA is a single-circuit SPDT (Single Pole Double Throw) analog switch manufactured by Analog Devices Inc./Maxim Integrated. This 8-DIP through-hole component provides 2:1 multiplexing functionality with 60Ω on-state resistance, designed for signal routing and switching applications in analog circuits. The MAX4544CPA is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing design support and production continuity.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Switch Circuit Type | SPDT |
| Multiplexer/Demultiplexer Configuration | 2:1 |
| Number of Circuits | 1 |
| On-State Resistance (Max) | 60Ω |
| Channel-to-Channel Matching (ΔRon) | 800mΩ |
| Supply Voltage Range (Single) | 2.7V ~ 12V |
| Switch Time (Ton/Toff Max) | 100ns / 75ns |
| Charge Injection | 1pC |
| Channel Capacitance (CS(off)/CD(off)) | 8pF / 8pF |
| Leakage Current (IS(off) Max) | 100pA |
| Crosstalk | -90dB @ 1MHz |
| Operating Temperature Range | 0°C ~ 70°C |
| Mounting Type | Through Hole |
| Package / Case | 8-DIP (0.300", 7.62mm) |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution of the MAX4544CPA is determined by strict equivalence across the following critical parameters:
- Switch topology: SPDT configuration with 2:1 multiplexing capability
- Electrical performance: 60Ω maximum on-state resistance, 800mΩ channel matching, 100ns/75ns switching times
- Signal integrity: 1pC charge injection, 8pF channel capacitance, -90dB crosstalk specification
- Power supply: 2.7V to 12V single supply operation
- Leakage characteristics: 100pA maximum off-state leakage current
- Physical form factor: 8-DIP through-hole package (0.300", 7.62mm)
- Environmental rating: 0°C to 70°C operating temperature range
The MAX4544CPA+ meets all these criteria and serves as a direct functional equivalent. The primary distinction is product status and compliance certification.
Parameter Comparison
| Parameter | MAX4544CPA | MAX4544CPA+ |
|---|---|---|
| Switch Circuit | SPDT | SPDT |
| Multiplexer Configuration | 2:1 | 2:1 |
| Number of Circuits | 1 | 1 |
| On-State Resistance (Max) | 60Ω | 60Ω |
| Channel-to-Channel Matching (ΔRon) | 800mΩ | 800mΩ |
| Supply Voltage (V+) | 2.7V ~ 12V | 2.7V ~ 12V |
| Switch Time Ton (Max) | 100ns | 100ns |
| Switch Time Toff (Max) | 75ns | 75ns |
| Charge Injection | 1pC | 1pC |
| Channel Capacitance CS(off) | 8pF | 8pF |
| Channel Capacitance CD(off) | 8pF | 8pF |
| Leakage Current IS(off) (Max) | 100pA | 100pA |
| Crosstalk | -90dB @ 1MHz | -90dB @ 1MHz |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C |
| Package / Case | 8-DIP (0.300", 7.62mm) | 8-DIP (0.300", 7.62mm) |
| Mounting Type | Through Hole | Through Hole |
| MSL Rating | 1 (Unlimited) | 1 (Unlimited) |
| Product Status | Obsolete | Active |
| RoHS Status | Non-compliant | ROHS3 Compliant |
Engineering Selection Recommendations
The MAX4544CPA+ is the direct functional equivalent for MAX4544CPA applications. Both parts are electrically and mechanically identical across all specified parameters. Selection between these parts is determined by regulatory and supply chain requirements:
MAX4544CPA+ is the preferred selection for new designs and ongoing production due to:
- Active product status with assured long-term availability
- ROHS3 compliance certification
- Identical electrical and mechanical specifications to the obsolete MAX4544CPA
- Equivalent packaging (Tube) and through-hole form factor
The MAX4544CPA remains suitable for legacy system maintenance where existing inventory is available and RoHS compliance is not a requirement.
Frequently Asked Questions (FAQ)
Q: Can MAX4544CPA+ directly replace MAX4544CPA in existing designs? A: Yes. The MAX4544CPA+ is electrically and mechanically identical to the MAX4544CPA. Pin configuration, package dimensions (8-DIP, 0.300" spacing), and all electrical parameters are equivalent. Direct substitution is supported without circuit modification.
Q: What is the primary difference between MAX4544CPA and MAX4544CPA+? A: The MAX4544CPA+ is the active production variant with ROHS3 compliance certification. The MAX4544CPA is classified as obsolete. Both parts meet identical electrical specifications and use the same 8-DIP through-hole package.
Q: Are there packaging differences between these parts? A: The MAX4544CPA+ is supplied in Tube packaging, while the MAX4544CPA packaging specification is not detailed. Both use the same 8-DIP (0.300", 7.62mm) physical form factor suitable for through-hole PCB assembly.
Q: What applications are suitable for this switch IC? A: The MAX4544CPA is designed for analog signal routing, multiplexing, and switching applications requiring low on-state resistance (60Ω), fast switching (100ns/75ns), and low crosstalk (-90dB @ 1MHz). Typical applications include audio signal routing, instrumentation switching, and data acquisition systems operating from 2.7V to 12V supplies.
Q: Is the MAX4544CPA+ suitable for new product designs? A: Yes. The MAX4544CPA+ is an active product with ROHS3 compliance, making it the appropriate choice for new designs requiring equivalent functionality to the obsolete MAX4544CPA.
Alternative Parts
SJ6012L2TP
Littelfuse Inc.
6 Alternative Parts
JMK107BBJ476MA-RE
Taiyo Yuden
10 Alternative Parts
GMK107BBJ475MA-T
Taiyo Yuden
5 Alternative Parts
SJ6020N2ARP
Littelfuse Inc.
3 Alternative Parts
SJ6025R2ATP
Littelfuse Inc.
4 Alternative Parts
2474-05L
API Delevan Inc.
1 Alternative Parts
4590R-684K
API Delevan Inc.
1 Alternative Parts
CM6560R-334
API Delevan Inc.
1 Alternative Parts
CM6460-104
API Delevan Inc.
1 Alternative Parts
5526-12
API Delevan Inc.
1 Alternative Parts