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DG406EUI-T Equivalent & Substitute Parts
Part Overview
The DG406EUI-T is a 16:1 analog multiplexer/demultiplexer IC manufactured by Analog Devices Inc./Maxim Integrated, housed in a 28-TSSOP surface mount package. This single-circuit switch device features 100Ohm on-state resistance and operates across a wide supply voltage range of 5V to 30V (single supply) or ±4.5V to ±20V (dual supply). The DG406EUI-T is classified as obsolete, making identification of equivalent active alternatives essential for new designs and production continuity.
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) |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution of the DG406EUI-T is determined by strict equivalence across the following critical parameters:
- Multiplexer Configuration: 16:1 channel architecture with single circuit
- On-State Resistance: 100Ohm maximum specification
- Channel Matching: 1.5Ohm ΔRon tolerance
- Supply Voltage Compatibility: 5V to 30V single supply and ±4.5V to ±20V dual supply operation
- Switching Performance: 200ns maximum turn-on time and 150ns maximum turn-off time
- Signal Integrity: 2pC charge injection, 8pF/130pF channel capacitance, -92dB crosstalk at 100kHz
- Package Specification: 28-TSSOP surface mount form factor
- Environmental Compliance: ROHS3 compliance and MSL Level 1 rating
The DG406EUI+T meets all these criteria as a direct functional equivalent.
Parameter Comparison
| Parameter | DG406EUI-T (Main Part) | DG406EUI+T (Substitute) |
|---|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated |
| Product Status | Obsolete | Active |
| 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 |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) |
| REACH Status | REACH Unaffected | REACH Unaffected |
Engineering Selection Recommendations
The DG406EUI+T is the direct equivalent for the obsolete DG406EUI-T. Both parts share identical electrical specifications, package geometry, and environmental compliance certifications. The primary distinction is product status: the DG406EUI-T is obsolete, while the DG406EUI+T maintains active production status. The DG406EUI+T is supplied in Cut Tape (CT) packaging format, whereas the original part number designation reflects a different packaging configuration. Both parts maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory compatibility in current manufacturing environments.
Frequently Asked Questions (FAQ)
Q: Can the DG406EUI+T directly replace the DG406EUI-T in existing designs?
A: Yes. The DG406EUI+T is electrically and mechanically identical to the DG406EUI-T across all specified parameters. The 28-TSSOP package footprint, pin configuration, and electrical performance are equivalent. No circuit modifications are required.
Q: What is the difference between DG406EUI-T and DG406EUI+T?
A: The primary difference is product status and packaging format. The DG406EUI-T is classified as obsolete, while the DG406EUI+T is an active product. The DG406EUI+T is supplied in Cut Tape (CT) packaging. Electrical specifications and package dimensions are identical.
Q: Are there any supply voltage limitations when substituting?
A: No. Both parts operate across the identical supply voltage range: 5V to 30V for single supply operation and ±4.5V to ±20V for dual supply operation. No voltage-related constraints apply to substitution.
Q: Does the 28-TSSOP package remain the same for both parts?
A: Yes. Both the DG406EUI-T and DG406EUI+T use the 28-TSSOP package with identical dimensions (0.173" width, 4.40mm). PCB footprints and assembly processes are unchanged.
Q: Are both parts compliant with current environmental regulations?
A: Yes. Both parts are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements for electronic component manufacturing and distribution.
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