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MAX307EPI Equivalent & Substitute Parts
Part Overview
The MAX307EPI is a dual 8:1 analog multiplexer/demultiplexer IC manufactured by Analog Devices Inc./Maxim Integrated. This interface component features two independent 8:1 switch circuits with 100Ohm on-state resistance, designed for signal routing and switching applications in analog systems. The device is currently classified as obsolete, which necessitates identification of functionally equivalent alternatives for ongoing design support and procurement.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Multiplexer/Demultiplexer Circuit Configuration | 8:1 |
| Number of Circuits | 2 |
| On-State Resistance (Max) | 100Ohm |
| Channel-to-Channel Matching (ΔRon) | 1.5Ohm |
| Voltage - Supply, Single (V+) | 5V ~ 30V |
| Voltage - Supply, Dual (V±) | ±4.5V ~ 20V |
| Switch Time (Ton, Toff) (Max) | 200ns, 150ns |
| Charge Injection | 2pC |
| Channel Capacitance (CS(off), CD(off)) | 8pF, 65pF |
| Current - Leakage (IS(off)) (Max) | 500pA |
| Crosstalk | -92dB @ 100kHz |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Package / Case | 28-DIP (0.600", 15.24mm) |
| Mounting Type | Through Hole |
Substitute Part Grouping Explanation
Substitution eligibility for the MAX307EPI is determined by strict equivalence across the following critical parameters:
- Multiplexer configuration: 8:1 dual circuit topology
- On-state resistance: 100Ohm maximum
- Channel matching: 1.5Ohm ΔRon
- Supply voltage ranges: 5V ~ 30V (single) and ±4.5V ~ 20V (dual)
- Switching performance: 200ns Ton, 150ns Toff
- Charge injection: 2pC
- Channel capacitance: 8pF (CS(off)), 65pF (CD(off))
- Leakage current: 500pA maximum
- Crosstalk performance: -92dB @ 100kHz
- Package: 28-DIP through-hole configuration
- Operating temperature range: -40°C ~ 85°C
Only parts meeting all these electrical and mechanical specifications are classified as direct substitutes.
Parameter Comparison
| Parameter | MAX307EPI (Main Part) | MAX307EPI+ (Substitute) |
|---|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated |
| Product Status | Obsolete | Active |
| Multiplexer/Demultiplexer Circuit | 8:1 | 8:1 |
| Number of Circuits | 2 | 2 |
| On-State Resistance (Max) | 100Ohm | 100Ohm |
| Channel-to-Channel Matching (ΔRon) | 1.5Ohm | 1.5Ohm |
| Voltage - Supply, Single (V+) | 5V ~ 30V | 5V ~ 30V |
| Voltage - Supply, Dual (V±) | ±4.5V ~ 20V | ±4.5V ~ 20V |
| Switch Time (Ton, Toff) (Max) | 200ns, 150ns | 200ns, 150ns |
| Charge Injection | 2pC | 2pC |
| Channel Capacitance (CS(off), CD(off)) | 8pF, 65pF | 8pF, 65pF |
| Current - Leakage (IS(off)) (Max) | 500pA | 500pA |
| Crosstalk | -92dB @ 100kHz | -92dB @ 100kHz |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Package / Case | 28-DIP (0.600", 15.24mm) | 28-DIP (0.600", 15.24mm) |
| Mounting Type | Through Hole | Through Hole |
| RoHS Status | RoHS non-compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) |
| REACH Status | REACH Unaffected | REACH Unaffected |
Engineering Selection Recommendations
The MAX307EPI+ is a direct functional equivalent to the MAX307EPI with identical electrical and mechanical specifications. The primary distinction is product status: MAX307EPI+ is actively manufactured and supported, whereas MAX307EPI is obsolete.
For new designs and ongoing procurement, MAX307EPI+ is the appropriate selection. The substitute part maintains full electrical compatibility, including switching performance, impedance characteristics, and operating ranges. Both parts are MSL Level 1 with unlimited moisture sensitivity tolerance.
The MAX307EPI+ offers improved compliance status, meeting ROHS3 requirements compared to the non-compliant MAX307EPI. Both parts maintain equivalent REACH and ECCN classifications.
Frequently Asked Questions (FAQ)
Q: Are MAX307EPI and MAX307EPI+ pin-for-pin compatible?
A: Yes. Both parts use the 28-DIP package with identical pinout and electrical characteristics. Direct substitution is supported without circuit modification.
Q: What is the primary reason to substitute MAX307EPI with MAX307EPI+?
A: MAX307EPI is classified as obsolete. MAX307EPI+ is the active production equivalent with identical electrical specifications and improved regulatory compliance (ROHS3).
Q: Do the parts have different supply voltage requirements?
A: No. Both support single supply operation (5V ~ 30V) and dual supply operation (±4.5V ~ 20V) with identical voltage ranges.
Q: Are there differences in switching performance between the two parts?
A: No. Both parts specify identical switch times (200ns Ton, 150ns Toff), charge injection (2pC), and crosstalk performance (-92dB @ 100kHz).
Q: Can MAX307EPI+ be used in existing designs originally specified for MAX307EPI?
A: Yes. Electrical and mechanical compatibility is complete. No design changes are required for substitution.
Q: What is the difference in packaging between these parts?
A: MAX307EPI is supplied in standard packaging, while MAX307EPI+ is supplied in tube packaging. Both use the 28-DIP through-hole package format.
Q: Are there compliance differences between MAX307EPI and MAX307EPI+?
A: MAX307EPI+ meets ROHS3 compliance requirements, while MAX307EPI is RoHS non-compliant. Both maintain equivalent REACH and ECCN classifications.
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