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ADG201HSKNZ Equivalent & Substitute Parts
Part Overview
The ADG201HSKNZ is a 4-circuit SPST-NC (Single Pole Single Throw - Normally Closed) analog switch IC manufactured by Analog Devices Inc., housed in a 16-DIP package. This component functions as a precision switch matrix with 50Ohm on-state resistance, designed for signal routing and multiplexing applications requiring low impedance paths and minimal signal distortion. The part is currently in active production status with 1111 units in stock inventory.
Substitute parts become necessary when the primary component experiences supply constraints, when application requirements demand different electrical characteristics (such as higher or lower on-state resistance, extended temperature ranges, or different supply voltage specifications), or when design optimization requires performance trade-offs between switching speed, leakage current, and crosstalk performance.
Substiute Parts
Key Parameters
| Parameter | ADG201HSKNZ |
|---|---|
| Switch Circuit Configuration | SPST - NC |
| Number of Circuits | 4 |
| Multiplexer/Demultiplexer Circuit | 1:1 |
| On-State Resistance (Max) | 50Ohm |
| Channel-to-Channel Matching (ΔRon) | 1.5Ohm |
| Voltage - Supply, Single (V+) | 10.8V ~ 16.5V |
| Voltage - Supply, Dual (V±) | ±14.6V ~ 16.5V |
| Switch Time (Ton, Toff) (Max) | 50ns, 50ns |
| Charge Injection | 10pC |
| Channel Capacitance (CS(off), CD(off)) | 10pF, 10pF |
| Current - Leakage (IS(off)) (Max) | 1nA |
| Crosstalk | -86dB @ 100kHz |
| Operating Temperature | -40°C ~ 85°C |
| Package / Case | 16-DIP (0.300", 7.62mm) |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility for the ADG201HSKNZ is determined by strict adherence to the following criteria:
Mandatory Compatibility Parameters:
- Switch Circuit Configuration: SPST - NC (all substitutes must match)
- Number of Circuits: 4 (all substitutes must match)
- Multiplexer/Demultiplexer Circuit: 1:1 (all substitutes must match)
- Package / Case: 16-DIP (0.300", 7.62mm) (all substitutes must match)
- Mounting Type: Through Hole (all substitutes must match)
Allowable Variation Parameters:
- On-State Resistance (Max): 50Ohm to 200Ohm range
- Channel-to-Channel Matching (ΔRon): 1.5Ohm to 6.25Ohm
- Voltage - Supply, Single (V+): 4.5V to 25V range
- Voltage - Supply, Dual (V±): ±4.5V to ±18V range
- Switch Time (Ton, Toff): 50ns to 600ns range
- Charge Injection: 1pC to 20pC range
- Channel Capacitance: 5pF to 12pF range
- Current - Leakage (IS(off)): 500pA to 5nA range
- Crosstalk: -66dB to -100dB @ specified frequency
- Operating Temperature: -40°C to 85°C range
All identified substitute parts meet the mandatory compatibility criteria and fall within the allowable variation parameters for this product category.
Parameter Comparison
| Parameter | ADG201HSKNZ | LTC201ACN#PBF | DG201ACJ+ | DG201BDJ-E3 | DG271BCJ-E3 | MAX4511CPE+ |
|---|---|---|---|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc./Maxim Integrated | Vishay Siliconix | Vishay Siliconix | Analog Devices Inc./Maxim Integrated |
| Switch Circuit | SPST - NC | SPST - NC | SPST - NC | SPST - NC | SPST - NC | SPST - NC |
| Number of Circuits | 4 | 4 | 4 | 4 | 4 | 4 |
| On-State Resistance (Max) | 50Ohm | 125Ohm | 200Ohm | 85Ohm | 50Ohm | 160Ohm |
| Channel-to-Channel Matching (ΔRon) | 1.5Ohm | 6.25Ohm | - | 2Ohm | - | - |
| Voltage - Supply, Single (V+) | 10.8V ~ 16.5V | 5V | - | 4.5V ~ 25V | - | 9V ~ 36V |
| Voltage - Supply, Dual (V±) | ±14.6V ~ 16.5V | ±15V | ±4.5V ~ 18V | ±4.5V ~ 22V | ±15V | ±4.5V ~ 18V |
| Switch Time Ton (Max) | 50ns | 400ns | 600ns | 300ns | 65ns | 500ns |
| Switch Time Toff (Max) | 50ns | 300ns | 450ns | 200ns | 65ns | 400ns |
| Charge Injection | 10pC | 8pC | 20pC | 1pC | -5pC | 1.5pC |
| Channel Capacitance CS(off) | 10pF | 5pF | 5pF | 5pF | 8pF | 10pF |
| Channel Capacitance CD(off) | 10pF | 12pF | 5pF | 5pF | 8pF | 5pF |
| Current - Leakage (IS(off)) (Max) | 1nA | 5nA | 5nA | 500pA | 1nA | 500pA |
| Crosstalk | -86dB @ 100kHz | -90dB @ 100kHz | -90dB @ 100kHz | -95dB @ 100kHz | -100dB @ 100kHz | -66dB @ 1MHz |
| Operating Temperature | -40°C ~ 85°C | 0°C ~ 70°C | 0°C ~ 70°C | -40°C ~ 85°C | -40°C ~ 85°C | 0°C ~ 70°C |
| Package / Case | 16-DIP (0.300", 7.62mm) | 16-DIP (0.300", 7.62mm) | 16-DIP (0.300", 7.62mm) | 16-DIP (0.300", 7.62mm) | 16-DIP (0.300", 7.62mm) | 16-DIP (0.300", 7.62mm) |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Product Status | Active | Active | Active | Active | Active | Obsolete |
Engineering Selection Recommendations
Primary Substitutes (Active Status, Full Compliance):
DG201BDJ-E3 and DG271BCJ-E3 are the preferred substitutes for the ADG201HSKNZ. Both parts maintain active product status, ROHS3 compliance, and extended operating temperature range (-40°C ~ 85°C) matching the original specification. DG201BDJ-E3 offers 85Ohm on-state resistance with superior leakage current performance (500pA vs. 1nA) and improved crosstalk (-95dB). DG271BCJ-E3 matches the 50Ohm on-state resistance of the ADG201HSKNZ while delivering faster switching times (65ns vs. 50ns) and exceptional crosstalk performance (-100dB).
Secondary Substitutes (Active Status, Restricted Temperature Range):
LTC201ACN#PBF and DG201ACJ+ are active products suitable for applications with operating temperature constraints between 0°C and 70°C. LTC201ACN#PBF provides 125Ohm on-state resistance with improved crosstalk (-90dB) but requires single supply voltage of 5V or dual supply of ±15V. DG201ACJ+ offers 200Ohm on-state resistance with dual supply flexibility (±4.5V ~ 18V) but exhibits higher charge injection (20pC).
Not Recommended:
MAX4511CPE+ carries obsolete product status and should not be selected for new designs despite active inventory availability. This part is retained in the substitute list for legacy system maintenance only.
Frequently Asked Questions (FAQ)
Q: Can I substitute DG271BCJ-E3 for ADG201HSKNZ in all applications?
A: DG271BCJ-E3 is mechanically and functionally compatible as a direct substitute. Both parts share identical 50Ohm on-state resistance, 4-circuit SPST-NC configuration, and 16-DIP package. DG271BCJ-E3 offers faster switching times (65ns vs. 50ns) and superior crosstalk performance (-100dB vs. -86dB). Verify that your application's supply voltage requirements align with DG271BCJ-E3's ±15V dual supply specification.
Q: What is the difference between single supply (V+) and dual supply (V±) operation?
A: Single supply (V+) operation requires a positive voltage referenced to ground. Dual supply (V±) operation uses both positive and negative voltage rails symmetrically referenced to ground. The ADG201HSKNZ supports both configurations: 10.8V ~ 16.5V single supply or ±14.6V ~ 16.5V dual supply. Substitute parts vary in their supply voltage support; verify your circuit topology matches the selected part's available supply options.
Q: Why does DG201BDJ-E3 have lower leakage current (500pA) than ADG201HSKNZ (1nA)?
A: Leakage current performance depends on semiconductor process technology and die design. Lower leakage current indicates superior off-state isolation and reduced signal path contamination. DG201BDJ-E3's 500pA leakage is a performance advantage for applications requiring minimal signal degradation during switch off-state conditions.
Q: Can I use LTC201ACN#PBF if my application operates at -40°C?
A: No. LTC201ACN#PBF specifies 0°C ~ 70°C operating temperature range and is not rated for -40°C operation. For extended temperature range applications, select DG201BDJ-E3, DG271BCJ-E3, or ADG201HSKNZ, all rated -40°C ~ 85°C.
Q: What does crosstalk specification mean in practical terms?
A: Crosstalk measures signal coupling between independent switch channels. Expressed in dB at a specified frequency, lower (more negative) values indicate better channel isolation. ADG201HSKNZ specifies -86dB @ 100kHz; DG271BCJ-E3 specifies -100dB @ 100kHz. Higher crosstalk rejection improves signal integrity in multi-channel switching applications.
Q: Is MAX4511CPE+ suitable for new product designs?
A: No. MAX4511CPE+ carries obsolete product status and should not be used in new designs. Use active alternatives: DG271BCJ-E3, DG201BDJ-E3, LTC201ACN#PBF, or DG201ACJ+ depending on your specific electrical and temperature requirements.
Q: How do I determine which substitute is best for my application?
A: Identify your critical parameters: required on-state resistance, operating temperature range, supply voltage availability, and switching speed requirements. Cross-reference these against the Parameter Comparison table. All listed substitutes maintain identical package, circuit configuration, and number of circuits. Selection depends on matching your specific electrical constraints to the available substitute options.
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