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MAX317ESA Equivalent & Substitute Parts
Part Overview
The MAX317ESA is a single-circuit IC switch with SPST-NC (Single Pole Single Throw - Normally Closed) configuration manufactured by Analog Devices Inc./Maxim Integrated. This component operates as a 1:1 multiplexer/demultiplexer with 35Ohm on-state resistance and is housed in an 8-SOIC surface mount package. The MAX317ESA is classified as obsolete, making identification of active equivalent parts essential for new designs and ongoing production support.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Switch Circuit Type | SPST - NC |
| Multiplexer/Demultiplexer Configuration | 1:1 |
| Number of Circuits | 1 |
| On-State Resistance (Max) | 35Ohm |
| Channel-to-Channel Matching (ΔRon) | 2Ohm (Max) |
| Voltage - Supply, Single (V+) | 10V ~ 30V |
| Voltage - Supply, Dual (V±) | ±4.5V ~ 20V |
| Switch Time (Ton, Toff) (Max) | 175ns, 145ns |
| Charge Injection | 3pC |
| Channel Capacitance (CS(off), CD(off)) | 8pF, 8pF |
| Current - Leakage (IS(off)) (Max) | 250pA |
| Crosstalk | -85dB @ 1MHz |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount |
Substitute Part Grouping Explanation
Substitution of the MAX317ESA is determined by strict equivalence across all electrical and mechanical parameters. The primary substitute identified is the MAX317ESA+, which maintains identical functional specifications including switch circuit topology, on-state resistance, supply voltage ranges, switching characteristics, and package configuration.
The substitution is valid based on the following criteria:
- Identical switch circuit type (SPST - NC)
- Identical multiplexer configuration (1:1)
- Identical on-state resistance specification (35Ohm maximum)
- Identical channel-to-channel matching tolerance (2Ohm maximum)
- Identical supply voltage ranges (single and dual)
- Identical switching time parameters (175ns, 145ns)
- Identical charge injection (3pC)
- Identical channel capacitance values (8pF, 8pF)
- Identical leakage current specification (250pA maximum)
- Identical crosstalk performance (-85dB @ 1MHz)
- Identical operating temperature range (-40°C ~ 85°C)
- Identical package and mounting configuration (8-SOIC surface mount)
Parameter Comparison
| Parameter | MAX317ESA (Main) | MAX317ESA+ (Substitute) |
|---|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated |
| Product Status | Obsolete | Active |
| Switch Circuit | SPST - NC | SPST - NC |
| Multiplexer/Demultiplexer Circuit | 1:1 | 1:1 |
| Number of Circuits | 1 | 1 |
| On-State Resistance (Max) | 35Ohm | 35Ohm |
| Channel-to-Channel Matching (ΔRon) | 2Ohm (Max) | 2Ohm (Max) |
| Voltage - Supply, Single (V+) | 10V ~ 30V | 10V ~ 30V |
| Voltage - Supply, Dual (V±) | ±4.5V ~ 20V | ±4.5V ~ 20V |
| Switch Time (Ton, Toff) (Max) | 175ns, 145ns | 175ns, 145ns |
| Charge Injection | 3pC | 3pC |
| Channel Capacitance (CS(off), CD(off)) | 8pF, 8pF | 8pF, 8pF |
| Current - Leakage (IS(off)) (Max) | 250pA | 250pA |
| Crosstalk | -85dB @ 1MHz | -85dB @ 1MHz |
| 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) |
| Mounting Type | Surface Mount | Surface Mount |
| 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 MAX317ESA+ is the direct equivalent for the obsolete MAX317ESA. Both parts are manufactured by Analog Devices Inc./Maxim Integrated and share identical electrical and mechanical specifications across all functional parameters.
The primary distinction between the two parts is product status and regulatory compliance. The MAX317ESA is classified as obsolete, while the MAX317ESA+ maintains active production status. Additionally, the MAX317ESA+ is ROHS3 compliant, whereas the MAX317ESA is RoHS non-compliant. Both parts maintain identical moisture sensitivity levels and REACH status.
For new designs and production applications requiring this switch topology, the MAX317ESA+ is the appropriate selection due to its active availability and regulatory compliance posture.
Frequently Asked Questions (FAQ)
Q: Can MAX317ESA+ be used as a direct replacement for MAX317ESA?
A: Yes. The MAX317ESA+ is electrically and mechanically equivalent to the MAX317ESA across all specified parameters, including switch circuit type, on-state resistance, supply voltage ranges, switching characteristics, and package configuration. The primary difference is product status and RoHS compliance.
Q: What is the difference between MAX317ESA and MAX317ESA+?
A: The MAX317ESA is obsolete, while MAX317ESA+ is in active production. The MAX317ESA+ is ROHS3 compliant, whereas the MAX317ESA is RoHS non-compliant. All electrical and mechanical specifications are identical.
Q: Are there any package differences between these parts?
A: No. Both the MAX317ESA and MAX317ESA+ use the 8-SOIC surface mount package with identical dimensions (0.154" width, 3.90mm width). Footprint compatibility is maintained.
Q: What supply voltage configurations does the MAX317ESA support?
A: The MAX317ESA supports both single supply (10V ~ 30V) and dual supply (±4.5V ~ 20V) configurations.
Q: What is the on-state resistance specification?
A: The on-state resistance is 35Ohm maximum, with channel-to-channel matching tolerance of 2Ohm maximum.
Q: What are the switching time specifications?
A: Turn-on time (Ton) is 175ns maximum, and turn-off time (Toff) is 145ns maximum.
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