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MAX4534CUD Equivalent & Substitute Parts
Part Overview
The MAX4534CUD is a single-circuit SP4T (Single-Pole, 4-Throw) analog switch IC manufactured by Analog Devices Inc./Maxim Integrated. This component functions as a 4:1 multiplexer/demultiplexer with 400Ω on-state resistance, designed for signal routing and switching applications in analog systems. The MAX4534CUD is classified as obsolete, making identification of compatible substitute parts essential for ongoing design support and production continuity.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Switch Circuit Configuration | SP4T (Single-Pole, 4-Throw) |
| Multiplexer/Demultiplexer Circuit | 4:1 |
| Number of Circuits | 1 |
| On-State Resistance (Max) | 400Ω |
| Channel-to-Channel Matching (ΔRon) | 2Ω |
| Supply Voltage - Single (V+) | 9V ~ 36V |
| Supply Voltage - Dual (V±) | ±4.5V ~ 20V |
| Switch Time (Ton, Toff) Max | 275ns, 200ns |
| Charge Injection | 1pC |
| Channel Capacitance (CS(off), CD(off)) | 5pF, 6.5pF |
| Current - Leakage (IS(off)) Max | 500pA |
| Crosstalk | -53dB @ 1MHz |
| Operating Temperature Range | 0°C ~ 70°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 14-TSSOP (0.173", 4.40mm Width) |
Substitute Part Grouping Explanation
Substitution of the MAX4534CUD is determined by strict equivalence across the following critical parameters:
- Switch topology: SP4T configuration with 4:1 multiplexing capability
- Electrical performance: 400Ω on-state resistance, 2Ω channel matching, switching times (275ns/200ns), and leakage current specifications
- Supply voltage compatibility: Single supply (9V ~ 36V) and dual supply (±4.5V ~ 20V) operation
- Package compatibility: 14-TSSOP surface-mount package with identical pinout and mechanical dimensions
- Signal integrity parameters: Charge injection (1pC), channel capacitance, and crosstalk performance (-53dB @ 1MHz)
The MAX4534CUD+ meets all these criteria and is therefore classified as a direct equivalent substitute.
Parameter Comparison
| Parameter | MAX4534CUD (Main Part) | MAX4534CUD+ (Substitute) |
|---|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated |
| Switch Circuit | SP4T | SP4T |
| Multiplexer/Demultiplexer Circuit | 4:1 | 4:1 |
| On-State Resistance (Max) | 400Ω | 400Ω |
| Channel-to-Channel Matching (ΔRon) | 2Ω | 2Ω |
| Supply Voltage - Single (V+) | 9V ~ 36V | 9V ~ 36V |
| Supply Voltage - Dual (V±) | ±4.5V ~ 20V | ±4.5V ~ 20V |
| Switch Time (Ton, Toff) Max | 275ns, 200ns | 275ns, 200ns |
| Charge Injection | 1pC | 1pC |
| Channel Capacitance (CS(off), CD(off)) | 5pF, 6.5pF | 5pF, 6.5pF |
| Current - Leakage (IS(off)) Max | 500pA | 500pA |
| Crosstalk | -53dB @ 1MHz | -53dB @ 1MHz |
| Operating Temperature Range | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) |
| Package / Case | 14-TSSOP | 14-TSSOP |
| Product Status | Obsolete | Active |
| RoHS Status | RoHS non-compliant | ROHS3 Compliant |
| Packaging Type | Not specified | Tube |
Engineering Selection Recommendations
The MAX4534CUD+ is the direct functional equivalent of the MAX4534CUD. Both parts share identical electrical specifications, switching characteristics, and package geometry. The primary distinction is product lifecycle status: the MAX4534CUD is obsolete, while the MAX4534CUD+ maintains active production status.
The MAX4534CUD+ offers additional compliance advantages. It meets ROHS3 requirements, whereas the original MAX4534CUD is RoHS non-compliant. Both parts maintain REACH Unaffected status and carry the same ECCN (EAR99) and HTSUS (8542.39.0001) classifications.
For new designs or production continuity, the MAX4534CUD+ is the appropriate selection. The tube packaging format of the MAX4534CUD+ supports standard automated assembly processes. Electrical performance and thermal characteristics remain unchanged between the two variants, ensuring direct substitution without circuit redesign.
Frequently Asked Questions (FAQ)
Q: Can the MAX4534CUD+ be used as a direct replacement for the MAX4534CUD in existing designs?
A: Yes. The MAX4534CUD+ is electrically and mechanically identical to the MAX4534CUD. All switching characteristics, supply voltage ranges, on-state resistance, and package dimensions are equivalent. No circuit modifications are required.
Q: What is the difference between the MAX4534CUD and MAX4534CUD+?
A: The primary differences are product status and regulatory compliance. The MAX4534CUD is obsolete and RoHS non-compliant. The MAX4534CUD+ is in active production and meets ROHS3 requirements. Electrical performance is identical.
Q: Are there any package compatibility concerns when substituting the MAX4534CUD+ for the MAX4534CUD?
A: No. Both parts use the 14-TSSOP package with identical pinout and mechanical dimensions (0.173" width, 4.40mm). The MAX4534CUD+ is supplied in tube packaging, which is compatible with standard pick-and-place assembly equipment.
Q: Does the MAX4534CUD+ support the same supply voltage ranges as the MAX4534CUD?
A: Yes. The MAX4534CUD+ operates across identical supply voltage ranges: single supply (9V ~ 36V) and dual supply (±4.5V ~ 20V).
Q: What are the key electrical parameters that define substitution compatibility for this part?
A: Substitution compatibility is determined by SP4T switch topology, 400Ω on-state resistance, 2Ω channel matching, switching times (275ns/200ns), 1pC charge injection, and -53dB crosstalk performance at 1MHz. The MAX4534CUD+ meets all these specifications.
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