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DG406DN Equivalent & Substitute Parts
Part Overview
The DG406DN is a 16:1 analog multiplexer/demultiplexer IC manufactured by Analog Devices Inc./Maxim Integrated, housed in a 28-PLCC surface mount package. This component functions as a single-circuit switch with 100Ohm on-state resistance, designed for signal routing applications across a wide supply voltage range. The DG406DN is classified as obsolete, making identification of compatible alternatives essential for ongoing system support and new design implementations.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Multiplexer/Demultiplexer Circuit Configuration | 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-LCC (J-Lead) |
| Mounting Type | Surface Mount |
Substitute Part Grouping Explanation
Substitution eligibility for the DG406DN is determined by strict equivalence across the following critical parameters:
- Multiplexer configuration: 16:1 topology
- Circuit count: Single circuit
- 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) maximum
- Charge injection: 2pC
- Channel capacitance specifications: 8pF (CS(off)), 130pF (CD(off))
- Leakage current: 500pA maximum
- Crosstalk performance: -92dB @ 100kHz
- Package format: 28-PLCC surface mount
The DG406DN+ meets all specified electrical and mechanical parameters, establishing direct substitution compatibility.
Parameter Comparison
| Parameter | DG406DN | DG406DN+ |
|---|---|---|
| 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-LCC (J-Lead) | 28-LCC (J-Lead) |
| Mounting Type | Surface Mount | Surface Mount |
| Product Status | Obsolete | Active |
| RoHS Status | RoHS non-compliant | ROHS3 Compliant |
Engineering Selection Recommendations
The DG406DN is classified as obsolete, necessitating transition to an active equivalent for new procurements and long-term system support. The DG406DN+ provides identical electrical performance and mechanical compatibility while offering improved regulatory compliance status.
The DG406DN+ is ROHS3 compliant, whereas the DG406DN is RoHS non-compliant. Both parts maintain REACH Unaffected status and share identical EAR99 export classification and HTSUS coding (8542.39.0001).
For applications requiring the 16:1 multiplexer functionality with 100Ohm on-state resistance and the specified electrical characteristics, the DG406DN+ is the direct active substitute. The identical electrical parameters ensure functional equivalence in all circuit applications where the DG406DN was previously deployed.
Frequently Asked Questions (FAQ)
Q: Can the DG406DN+ directly replace the DG406DN in existing designs?
A: Yes. The DG406DN+ provides identical electrical specifications across all critical parameters: 16:1 multiplexer configuration, 100Ohm on-state resistance, matching characteristics, supply voltage ranges, switching times, and signal integrity metrics. The 28-PLCC package and surface mount configuration are identical, enabling direct PCB-level substitution.
Q: What is the primary difference between DG406DN and DG406DN+?
A: The DG406DN+ is an active product with ROHS3 compliance, while the DG406DN is obsolete and RoHS non-compliant. Electrical performance is identical. The product status change reflects manufacturing continuity and regulatory alignment.
Q: Are there packaging differences between these parts?
A: Both parts use the 28-PLCC (11.51x11.51) surface mount package. The DG406DN is supplied in standard packaging, while the DG406DN+ is supplied in tube packaging. The component footprint and pinout are identical.
Q: What supply voltage configurations does the DG406DN+ support?
A: The DG406DN+ operates with single supply voltage from 5V to 30V (V+) or dual supply voltage from ±4.5V to ±20V (V±), matching the DG406DN specifications.
Q: Is the DG406DN+ suitable for high-frequency signal routing applications?
A: The DG406DN+ supports crosstalk performance of -92dB @ 100kHz with switching times of 200ns (Ton) and 150ns (Toff), making it suitable for signal routing within these performance parameters.
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