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MAX4519EEE Equivalent & Substitute Parts
Part Overview
The MAX4519EEE is a 2-circuit IC switch with DPST-NO configuration and 100Ohm on-state resistance, manufactured by Analog Devices Inc./Maxim Integrated. This component operates as a 2:1 multiplexer/demultiplexer interface device in the 16-QSOP package. The MAX4519EEE is classified as obsolete, making identification of active equivalent parts essential for new designs and ongoing production support. Substitute parts must maintain identical electrical performance characteristics and mechanical compatibility to ensure direct replacement capability.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Switch Circuit Configuration | DPST - NO |
| Multiplexer/Demultiplexer Circuit | 2:1 |
| Number of Circuits | 2 |
| On-State Resistance (Max) | 100Ohm |
| Channel-to-Channel Matching (ΔRon) | 4Ohm (Max) |
| Voltage - Supply, Single (V+) | 2V ~ 15V |
| Voltage - Supply, Dual (V±) | ±2.7V ~ 8V |
| Switch Time (Ton, Toff) (Max) | 150ns, 150ns |
| Charge Injection (Max) | 5pC |
| Channel Capacitance (CS(off), CD(off)) | 5pF, 10pF |
| Current - Leakage (IS(off)) (Max) | 100pA |
| Crosstalk | -92dB @ 100kHz |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Package / Case | 16-SSOP (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount |
Substitute Part Grouping Explanation
Substitution of the MAX4519EEE is determined by strict equivalence across all electrical and mechanical parameters. The primary substitute is the MAX4519EEE+, which maintains identical specifications for switch circuit configuration, multiplexer circuit topology, on-state resistance, supply voltage ranges, switching time, charge injection, channel capacitance, leakage current, crosstalk performance, operating temperature range, and package dimensions. Both parts utilize the 16-QSOP package with identical mechanical footprint and pin configuration. The substitution is valid because all critical parameters—including DPST-NO switching architecture, 2:1 multiplexing capability, 100Ohm Ron specification, and dual/single supply voltage compatibility—are preserved across both part numbers.
Parameter Comparison
| Parameter | MAX4519EEE (Main Part) | MAX4519EEE+ (Substitute) |
|---|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated |
| Product Status | Obsolete | Active |
| Switch Circuit | DPST - NO | DPST - NO |
| Multiplexer/Demultiplexer Circuit | 2:1 | 2:1 |
| Number of Circuits | 2 | 2 |
| On-State Resistance (Max) | 100Ohm | 100Ohm |
| Channel-to-Channel Matching (ΔRon) | 4Ohm (Max) | 4Ohm (Max) |
| Voltage - Supply, Single (V+) | 2V ~ 15V | 2V ~ 15V |
| Voltage - Supply, Dual (V±) | ±2.7V ~ 8V | ±2.7V ~ 8V |
| Switch Time (Ton, Toff) (Max) | 150ns, 150ns | 150ns, 150ns |
| Charge Injection (Max) | 5pC | 5pC |
| Channel Capacitance (CS(off), CD(off)) | 5pF, 10pF | 5pF, 10pF |
| Current - Leakage (IS(off)) (Max) | 100pA | 100pA |
| Crosstalk | -92dB @ 100kHz | -92dB @ 100kHz |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Package / Case | 16-SSOP (0.154", 3.90mm Width) | 16-SSOP (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) |
Engineering Selection Recommendations
The MAX4519EEE+ is the direct active equivalent for the obsolete MAX4519EEE. All electrical parameters, switching characteristics, and mechanical specifications are identical. The primary distinction is product status: MAX4519EEE+ is actively manufactured and supported, while MAX4519EEE is obsolete. Additionally, MAX4519EEE+ carries ROHS3 compliance certification, whereas the original MAX4519EEE is RoHS non-compliant. Both parts maintain identical moisture sensitivity classification (MSL 1, Unlimited) and REACH unaffected status. For new designs and production continuity, MAX4519EEE+ is the appropriate selection. Existing inventory of MAX4519EEE remains functionally equivalent for applications where RoHS compliance is not a requirement.
Frequently Asked Questions (FAQ)
Q: Can MAX4519EEE+ directly replace MAX4519EEE in existing designs? A: Yes. Both parts are electrically and mechanically identical. Pin configuration, package footprint (16-SSOP), and all electrical specifications match exactly. No circuit modifications are required.
Q: What is the primary reason to transition from MAX4519EEE to MAX4519EEE+? A: MAX4519EEE is obsolete and no longer manufactured. MAX4519EEE+ is the active equivalent with ongoing production support and availability. Additionally, MAX4519EEE+ meets ROHS3 compliance requirements.
Q: Are there any differences in supply voltage requirements between these parts? A: No. Both parts support identical single supply voltage (2V ~ 15V) and dual supply voltage (±2.7V ~ 8V) ranges.
Q: Do these parts have the same package dimensions? A: Yes. Both use the 16-SSOP package with 0.154" width (3.90mm). PCB footprints are identical.
Q: What is the significance of the RoHS compliance difference? A: MAX4519EEE is RoHS non-compliant, while MAX4519EEE+ is ROHS3 compliant. For applications subject to RoHS regulations or customer requirements, MAX4519EEE+ is the required selection.
Q: Are switching time and on-state resistance specifications identical? A: Yes. Both parts specify 150ns maximum switch time (Ton and Toff) and 100Ohm maximum on-state resistance with 4Ohm maximum channel-to-channel matching.
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