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DG406EUI Equivalent & Substitute Parts
Part Overview
The DG406EUI is a 16:1 analog multiplexer/demultiplexer IC manufactured by Analog Devices Inc./Maxim Integrated, designed for signal routing and switching applications in interface circuits. This component features a single 16:1 switch configuration with 100Ohm on-state resistance and operates across a wide supply voltage range. The DG406EUI is classified as obsolete, making identification of active equivalent parts essential for new designs and ongoing production support.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Multiplexer/Demultiplexer Circuit | 16:1 |
| Number of Circuits | 1 |
| 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, 130pF |
| Current - Leakage (IS(off)) (Max) | 500pA |
| Crosstalk | -92dB @ 100kHz |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Package / Case | 28-TSSOP (0.173", 4.40mm Width) |
| Mounting Type | Surface Mount |
Substitute Part Grouping Explanation
Substitution eligibility for the DG406EUI is determined by strict equivalence across the following critical parameters:
- Multiplexer configuration: 16:1 topology
- On-state resistance: 100Ohm maximum
- Channel-to-channel matching: 1.5Ohm maximum
- Supply voltage ranges: 5V ~ 30V (single) and ±4.5V ~ 20V (dual)
- Switching performance: 200ns (Ton), 150ns (Toff)
- Charge injection: 2pC
- Channel capacitance specifications: 8pF (CS(off)), 130pF (CD(off))
- Leakage current: 500pA maximum
- Crosstalk performance: -92dB @ 100kHz
- Package: 28-TSSOP surface mount
The DG406EUI+ meets all these parameters identically and serves as a direct functional equivalent with improved product status and compliance certifications.
Parameter Comparison
| Parameter | DG406EUI | DG406EUI+ |
|---|---|---|
| Multiplexer/Demultiplexer Circuit | 16:1 | 16:1 |
| Number of Circuits | 1 | 1 |
| 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, 130pF | 8pF, 130pF |
| 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-TSSOP (0.173", 4.40mm Width) | 28-TSSOP (0.173", 4.40mm Width) |
| Mounting Type | Surface Mount | Surface Mount |
| Product Status | Obsolete | Active |
| RoHS Status | RoHS non-compliant | ROHS3 Compliant |
Engineering Selection Recommendations
The DG406EUI+ is the direct equivalent for the obsolete DG406EUI. Both parts share identical electrical and mechanical specifications, ensuring pin-for-pin and functional compatibility. The primary distinction is product lifecycle status and regulatory compliance.
The DG406EUI is classified as obsolete and carries RoHS non-compliant status. The DG406EUI+ is an active product with ROHS3 compliance, making it the appropriate selection for new designs and applications requiring current regulatory adherence. Both parts maintain REACH Unaffected and EAR99 ECCN classifications.
For applications currently using the DG406EUI, transition to the DG406EUI+ is supported by complete electrical equivalence across all specified parameters. No circuit redesign or board layout modification is required.
Frequently Asked Questions (FAQ)
Q: Can the DG406EUI+ directly replace the DG406EUI in existing designs?
A: Yes. The DG406EUI+ is electrically and mechanically identical to the DG406EUI. Both parts feature the same 16:1 multiplexer configuration, 100Ohm on-state resistance, supply voltage ranges, switching performance, and 28-TSSOP package. Direct substitution is supported without circuit modification.
Q: What is the difference between DG406EUI and DG406EUI+?
A: The primary differences are product status and compliance. The DG406EUI is obsolete and RoHS non-compliant. The DG406EUI+ is an active product with ROHS3 compliance. All electrical and mechanical parameters are identical.
Q: Why should I use DG406EUI+ instead of DG406EUI?
A: The DG406EUI+ is the active equivalent with current regulatory compliance. For new designs and ongoing production, the DG406EUI+ ensures supply continuity and meets modern environmental and safety standards.
Q: Are there any package or pinout differences?
A: No. Both parts use the 28-TSSOP surface mount package with identical pinout and mechanical dimensions (0.173", 4.40mm Width).
Q: What supply voltages do these parts support?
A: Both the DG406EUI and DG406EUI+ support single supply operation from 5V to 30V and dual supply operation from ±4.5V to ±20V.
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