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DG417DY+ Equivalent & Substitute Parts
Part Overview
The DG417DY+ is a single-circuit SPST-NC (Normally Closed) analog switch manufactured by Analog Devices Inc./Maxim Integrated. This 8-SOIC surface-mount interface component operates with configurable single or dual supply voltages and features a maximum on-state resistance of 35Ohm. The part is Active status and ROHS3 compliant, making it suitable for applications requiring low-resistance analog switching with controlled switching times and minimal charge injection.
Substitute parts are necessary when addressing supply voltage constraints, packaging format requirements, or when alternative manufacturers' variants offer improved availability or performance characteristics within acceptable parameter ranges.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Switch Circuit Type | SPST - NC | — |
| Multiplexer/Demultiplexer Circuit | 1:1 | — |
| Number of Circuits | 1 | — |
| On-State Resistance (Max) | 35 | Ohm |
| Channel-to-Channel Matching (ΔRon) | 3 | Ohm (Max) |
| Voltage - Supply, Single (V+) | 10V ~ 30V | — |
| Voltage - Supply, Dual (V±) | ±4.5V ~ 20V | — |
| Switch Time (Ton, Toff) (Max) | 175ns, 145ns | — |
| Charge Injection | 3 | pC |
| Channel Capacitance (CS(off), CD(off)) | 8pF, 8pF | — |
| Current - Leakage (IS(off)) (Max) | 250 | pA |
| Crosstalk | -85 | dB @ 1MHz |
| Operating Temperature | -40°C ~ 85°C | — |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | — |
| Mounting Type | Surface Mount | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitution eligibility for the DG417DY+ is determined by the following critical parameters:
Primary Substitution Criteria:
- Switch circuit topology: SPST - NC
- Multiplexer configuration: 1:1
- Number of circuits: 1
- On-state resistance: 35Ohm maximum
- Package type: 8-SOIC surface mount
- Operating temperature range: -40°C ~ 85°C
- Leakage current: 250pA maximum
Secondary Compatibility Factors:
- Supply voltage compatibility (single or dual supply operation)
- Switch timing characteristics (Ton, Toff)
- Charge injection performance
- Channel capacitance specifications
- Crosstalk performance
Substitute parts are grouped into two categories: direct equivalents matching all primary criteria, and functional alternatives with modified electrical characteristics that remain within acceptable operating parameters for the DG417DY+ application space.
Parameter Comparison
| Part Number | Manufacturer | On-State Resistance (Max) | V+ Supply | V± Supply | Ton/Toff (Max) | Charge Injection | Channel Capacitance | Packaging | Inventory |
|---|---|---|---|---|---|---|---|---|---|
| DG417DY+ | Analog Devices Inc./Maxim Integrated | 35Ohm | 10V ~ 30V | ±4.5V ~ 20V | 175ns, 145ns | 3pC | 8pF, 8pF | Tube | 867 Pcs |
| ADG417BRZ | Analog Devices Inc. | 35Ohm | 12V | ±15V | 160ns, 100ns | 7pC | 6pF, 6pF | Tube | 18409 Pcs |
| ADG417BRZ-REEL | Analog Devices Inc. | 35Ohm | 12V | ±15V | 160ns, 100ns | 7pC | 6pF, 6pF | Cut Tape (CT) & Digi-Reel® | 5241 Pcs |
| DG417BDY-E3 | Vishay Siliconix | 25Ohm | 13V ~ 36V | ±7V ~ 22V | 89ns, 80ns | 38pC | 12pF, 12pF | Tube | 768 Pcs |
| DG417BDY-T1-E3 | Vishay Siliconix | 25Ohm | 13V ~ 36V | ±7V ~ 22V | 89ns, 80ns | 38pC | 12pF, 12pF | Tape & Reel (TR) | 2196 Pcs |
| DG417DY-E3 | Vishay Siliconix | 35Ohm | 12V | ±15V | 175ns, 145ns | 60pC | 8pF, 8pF | Tube | 2226 Pcs |
| DG417DY-T1-E3 | Vishay Siliconix | 35Ohm | 12V | ±15V | 175ns, 145ns | 60pC | 8pF, 8pF | Tape & Reel (TR) | 12727 Pcs |
Engineering Selection Recommendations
Direct Equivalents (35Ohm On-State Resistance):
ADG417BRZ and ADG417BRZ-REEL maintain the 35Ohm on-state resistance specification and are manufactured by Analog Devices Inc. Both parts are Active status and ROHS3 compliant. The ADG417BRZ-REEL variant offers tape and reel packaging for automated assembly environments, while ADG417BRZ is supplied in tube format. These parts operate with fixed supply voltages (12V single supply, ±15V dual supply) compared to the DG417DY+ variable supply range.
DG417DY-E3 and DG417DY-T1-E3 are Vishay Siliconix equivalents with identical 35Ohm on-state resistance and matching switch timing characteristics. Both are Active status and ROHS3 compliant. The DG417DY-T1-E3 is supplied in tape and reel format for high-volume production, while DG417DY-E3 is tube-packaged. These parts operate with fixed supply voltages (12V single supply, ±15V dual supply).
Lower Resistance Alternative (25Ohm On-State Resistance):
DG417BDY-E3 and DG417BDY-T1-E3 are Vishay Siliconix variants with reduced on-state resistance of 25Ohm, offering improved signal path conductivity. Both are Active status and ROHS3 compliant. These parts feature faster switching times (89ns, 80ns) and operate with extended supply voltage ranges (13V ~ 36V single supply, ±7V ~ 22V dual supply). The DG417BDY-T1-E3 is tape and reel packaged for automated assembly.
All substitute parts maintain the 8-SOIC package format, surface-mount configuration, -40°C ~ 85°C operating temperature range, 250pA maximum leakage current, and MSL 1 moisture sensitivity level.
Frequently Asked Questions (FAQ)
Q: Can ADG417BRZ replace DG417DY+ in applications requiring variable supply voltage operation?
A: ADG417BRZ operates with fixed supply voltages (12V single supply, ±15V dual supply), whereas DG417DY+ supports variable ranges (10V ~ 30V single supply, ±4.5V ~ 20V dual supply). Substitution is valid only if the application's supply voltage falls within the ADG417BRZ operating range.
Q: What is the difference between DG417DY-E3 and DG417DY-T1-E3?
A: Both parts are electrically identical with 35Ohm on-state resistance and matching performance characteristics. DG417DY-E3 is supplied in tube packaging for manual or semi-automated assembly. DG417DY-T1-E3 is supplied in tape and reel format optimized for high-speed automated pick-and-place assembly.
Q: Are the DG417BDY variants (25Ohm) suitable replacements for the DG417DY+ (35Ohm)?
A: DG417BDY variants have lower on-state resistance (25Ohm vs. 35Ohm), faster switching times, and higher charge injection (38pC vs. 3pC). These parts are functionally compatible if the application tolerates increased charge injection and can benefit from reduced on-state resistance. Supply voltage ranges differ: DG417BDY supports 13V ~ 36V single supply and ±7V ~ 22V dual supply.
Q: What packaging options are available for high-volume production?
A: ADG417BRZ-REEL, DG417BDY-T1-E3, and DG417DY-T1-E3 are supplied in tape and reel (TR) or cut tape format suitable for automated assembly. Tube-packaged variants (ADG417BRZ, DG417BDY-E3, DG417DY-E3, DG417DY+) are available for lower-volume or manual assembly applications.
Q: Do all substitute parts maintain ROHS3 compliance?
A: All listed substitute parts are ROHS3 compliant and maintain MSL 1 moisture sensitivity level, matching the environmental and regulatory compliance profile of the DG417DY+.
Q: How does charge injection differ among the substitute options?
A: DG417DY+ and ADG417BRZ feature the lowest charge injection specifications (3pC and 7pC respectively). DG417DY-E3 and DG417DY-T1-E3 exhibit higher charge injection (60pC), while DG417BDY variants show the highest (38pC). Lower charge injection is preferred in precision analog signal switching applications.
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