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DG408MY/PR-T Equivalent & Substitute Parts
Part Overview
The DG408MY/PR-T is a single-circuit 8:1 analog multiplexer manufactured by Analog Devices Inc./Maxim Integrated, housed in a 16-SOIC surface mount package. This component functions as an interface switch with 100Ohm on-state resistance, designed for signal routing and multiplexing applications across industrial and commercial temperature ranges. The part is currently classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system support and new design implementations.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Multiplexer Configuration | 8:1 |
| Number of Circuits | 1 |
| On-State Resistance (Max) | 100Ohm |
| Channel-to-Channel Matching (ΔRon) | 1.5Ohm |
| Supply Voltage - Single | 5V ~ 30V |
| Supply Voltage - Dual | ±5V ~ 20V |
| Switch Time (Ton, Toff) Max | 150ns, 150ns |
| Charge Injection | 2pC |
| Operating Temperature | -55°C ~ 125°C |
| Package Type | 16-SOIC (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount |
Substitute Part Grouping Explanation
Substitution eligibility for the DG408MY/PR-T is determined by the following critical parameters:
- Multiplexer Configuration: Must be 8:1 topology
- Circuit Count: Must be single circuit (1)
- On-State Resistance: Maximum 100Ohm specification
- Package: 16-SOIC surface mount form factor
- Supply Voltage Compatibility: Support for 5V ~ 30V single supply or ±5V ~ 20V dual supply operation
- Temperature Range: -55°C ~ 125°C operating specification
The DG408MY/PR+T meets all substitution criteria as a direct equivalent from the same manufacturer base product family (DG408), maintaining identical electrical specifications and package configuration while offering improved product status and compliance certifications.
Parameter Comparison
| Parameter | DG408MY/PR-T (Main Part) | DG408MY/PR+T (Substitute) |
|---|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated |
| Multiplexer Configuration | 8:1 | 8:1 |
| Number of Circuits | 1 | 1 |
| On-State Resistance (Max) | 100Ohm | 100Ohm |
| Channel-to-Channel Matching (ΔRon) | 1.5Ohm | 1.5Ohm |
| Supply Voltage - Single | 5V ~ 30V | 5V ~ 30V |
| Supply Voltage - Dual | ±5V ~ 20V | ±5V ~ 20V |
| Switch Time (Ton, Toff) Max | 150ns, 150ns | 150ns, 150ns |
| Charge Injection | 2pC | 2pC |
| Operating Temperature | -55°C ~ 125°C | -55°C ~ 125°C |
| Package Type | 16-SOIC (0.154", 3.90mm Width) | 16-SOIC (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount | Surface Mount |
| Product Status | Obsolete | Active |
| RoHS Status | RoHS non-compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) |
| REACH Status | REACH Unaffected | REACH Unaffected |
| ECCN | EAR99 | EAR99 |
| HTSUS Code | 8542.39.0001 | 8542.39.0001 |
Engineering Selection Recommendations
The DG408MY/PR+T is a direct functional equivalent to the DG408MY/PR-T with identical electrical and mechanical specifications. The substitute part offers two significant advantages:
Product Status: The DG408MY/PR+T maintains active production status, ensuring long-term availability and supply chain continuity compared to the obsolete DG408MY/PR-T.
Compliance: The DG408MY/PR+T is ROHS3 compliant, meeting current environmental and regulatory requirements for new designs and manufacturing processes. The original part carries RoHS non-compliant status, which may present restrictions in certain applications or regions.
Both parts share identical REACH and ECCN classifications, maintaining equivalent export and regulatory compliance profiles. The MSL rating of 1 (Unlimited) on both parts indicates no moisture sensitivity constraints during storage or handling.
Frequently Asked Questions (FAQ)
Q: Can the DG408MY/PR+T directly replace the DG408MY/PR-T in existing designs?
A: Yes. Both parts are electrically and mechanically identical. The DG408MY/PR+T maintains the same 8:1 multiplexer configuration, 100Ohm on-state resistance, 16-SOIC package footprint, and operating specifications. No circuit modifications are required.
Q: What is the difference between the two part numbers?
A: The primary differences are product status and RoHS compliance. The DG408MY/PR-T is obsolete and RoHS non-compliant, while the DG408MY/PR+T is actively produced and ROHS3 compliant. All electrical and mechanical parameters are identical.
Q: Are there any package or pinout differences?
A: No. Both parts use the identical 16-SOIC (0.154", 3.90mm Width) surface mount package. PCB layouts and assembly processes require no modification.
Q: Does the RoHS3 compliance of the substitute part affect circuit performance?
A: No. RoHS3 compliance relates to material composition and environmental standards, not electrical performance. The DG408MY/PR+T delivers identical electrical characteristics including on-state resistance, switching time, charge injection, and supply voltage specifications.
Q: What is the supply voltage flexibility of these parts?
A: Both parts support dual supply operation (±5V ~ 20V) or single supply operation (5V ~ 30V), providing design flexibility for various system architectures.
Q: Are there any temperature range limitations?
A: Both parts operate across the industrial temperature range of -55°C ~ 125°C, suitable for standard commercial and industrial applications.
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