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Vishay Siliconix DG417DY
- Part No.:
- DG417DY
- Manufacturer:
- Vishay Siliconix
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
DG417DY.pdf
- Description:
- IC SWITCH SPST-NCX1 35OHM 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,222
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Product details
Overview
DG417DY from Vishay Siliconix is a precision single-pole, normally-closed (SPST-NC) CMOS analog switch designed for high-fidelity signal routing in low-power, dual-supply systems. It delivers 20 Ω on-resistance, 100 ns turn-on time, ±15 V analog signal range, and ultra-low 35 nW power dissipation - enabling accurate switching in battery-powered instrumentation and portable test equipment.
For engineers reviewing the DG417DY datasheet, DG417DY pinout, DG417DY application, or DG417DY equivalent, key selection considerations include its SPST-NC configuration, SOIC-8 narrow-body package, guaranteed break-before-make–free operation (unlike DG419), TTL/CMOS logic compatibility, and performance under ±15 V dual supplies or 5–40 V single supply.
Technical Context
The DG417DY implements a monolithic high-voltage silicon gate (HVSG) process to achieve robust ±15 V analog signal handling and latchup immunity via epitaxial isolation. Its control logic is active-high: logic "1" (≥2.4 V) opens the switch, logic "0" (≤0.8 V) closes it - opposite to DG418.
Each channel conducts bidirectionally with matched on-resistance and exhibits sub-nA leakage (±0.25 nA max at full temperature range), enabling precision sample-and-hold and low-error multiplexing. Charge injection is specified at 60 pC, supporting stable settling in high-impedance signal paths.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Analog Signal Range | ±15 V - supports rail-to-rail bipolar signal switching without clipping |
| On-Resistance (RDS(on)) | 20 Ω typ. - ensures minimal gain error and voltage drop in precision signal paths |
| Turn-On Time (ton) | 100 ns typ. - enables fast channel selection in multi-channel data acquisition |
| Supply Voltage Range | ±5 V to ±20 V dual or 5–40 V single - compatible with industrial and military power rails |
| Logic Compatibility | TTL/CMOS - interfaces directly with microcontrollers and FPGAs without level-shifting |
| Power Dissipation | 35 nW typ. - extends battery life in portable instrumentation and remote sensors |
| Switch Leakage (IS(off)) | ±0.25 nA max. at -40 °C to +85 °C - preserves accuracy in high-impedance measurement circuits |
Pinout & Package
DG417DY is housed in an 8-pin narrow SOIC package (JEDEC MS-012, body width 3.80–4.00 mm), optimized for space-constrained PCB layouts. Pin functions are validated per Vishay S10-1528-Rev. G.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (S) | Source terminal | Bidirectional analog input/output node; connects to signal source in NC configuration |
| 2 (D) | Drain terminal | Bidirectional analog input/output node; connects to load or downstream circuit |
| 3 (NC) | No-connect | Internally unconnected pin; must remain floating per datasheet |
| 4 (V−) | Negative supply rail | Bias reference for dual-supply operation; supports down to −20 V |
| 5 (GND) | Ground reference | Logic ground and substrate reference; separate from analog ground in mixed-signal designs |
| 6 (IN) | Digital control input | Active-high logic: ≥2.4 V = open switch, ≤0.8 V = closed switch |
| 7 (V+) | Positive supply rail | Bias reference for dual-supply operation; supports up to +44 V absolute max |
| 8 (VL) | Logic supply voltage | Independent 2.4–5.5 V rail for digital interface; decoupling required for noise immunity |
Key Features
| Feature | Design Value |
|---|---|
| High-Voltage Silicon Gate (HVSG) Process | Enables ±15 V analog swing and 44 V absolute max V+ rating while preventing latchup |
| Precision SPST-NC Configuration | Guarantees default-closed state for fail-safe signal continuity in power-loss scenarios |
| Ultra-Low Leakage Performance | ±0.25 nA max off-leakage ensures <0.1 µV error in 1 MΩ sensor interfaces |
| Low Charge Injection (60 pC) | Minimizes voltage glitch during switching in sample-and-hold and integrator applications |
| Miniaturized SOIC-8 Package | Reduces board area by >50% vs. DIP-8 while maintaining thermal derating of 6 mW/°C above 25 °C |
Applications
| Precision Test Equipment | Precision Instrumentation |
|---|---|
Use Scenario: Automated test system routing DC/low-frequency analog signals between DUT and measurement instruments. IC Role / Device Role / Timing Role: SPST-NC analog switch providing fail-safe closed path during controller reset or power interruption. Use Value: 20 Ω RDS(on) and ±0.25 nA leakage preserve µV-level accuracy across 100 kΩ source impedances. |
Use Scenario: Front-end multiplexer in portable multimeter or medical ECG amplifier selecting between multiple sensor inputs. IC Role / Device Role / Timing Role: Low-power, bidirectional analog switch enabling battery-operated continuous monitoring. Use Value: 35 nW typical power and 100 ns switching support >1 kSPS sampling with <1 µA total supply current. |
| Battery-Powered Systems | Sample-and-Hold Circuits |
Use Scenario: UPS transfer switch managing primary/backup power paths in memory retention circuits. IC Role / Device Role / Timing Role: Normally-closed switch that auto-connects backup Li-cell when main 5 V rail drops below 3.3 V. Use Value: Sub-nA leakage prevents backup cell drain; SPST-NC behavior eliminates need for external pull-up on control line. |
Use Scenario: Hold capacitor charging path in precision data acquisition with <1 LSB error over temperature. IC Role / Device Role / Timing Role: Low-charge-injection (60 pC) switch isolating op-amp output from hold capacitor during acquisition phase. Use Value: 60 pC injection produces <6 µV step on 10 nF capacitor - within 16-bit (≈15 µV) resolution budget. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4617ESA+ | SPST-NO, 35 Ω RDS(on), 125 ns ton, ±15 V range, same SOIC-8 package | Requires inverted logic drive; higher on-resistance increases gain error in precision gain-setting networks | Select when NO default state is required and 15 Ω higher RDS(on) is acceptable |
| ADG1419BRMZ | SPDT, 1.3 Ω RDS(on), 120 ns ton, ±15 V range, 10-lead MSOP package | Different topology (SPDT vs SPST-NC); lower on-resistance but larger footprint and no NC default | Choose for ultra-low on-resistance in non-fail-safe SPDT routing; not a drop-in replacement |
Compared with MAX4617ESA+ and ADG1419BRMZ, DG417DY uniquely provides SPST-NC behavior with 20 Ω on-resistance in SOIC-8 - making it optimal for fail-safe signal continuity and compact layout where default closure is critical.
Availability
DG417DY is available at Aetrix Electronics and suitable for precision test equipment, battery-powered instrumentation, and sample-and-hold circuits requiring stable component supply, long-term lifecycle support, and RoHS-compliant sourcing.
Supply support for DG417DY includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Vishay Siliconix is a global leader in discrete semiconductors and passive components, specializing in high-reliability analog solutions for industrial, military, and medical applications.
The DG417DY belongs to Vishay's precision CMOS analog switch family, engineered for low-leakage, low-distortion signal routing in portable and high-stability measurement systems.
FAQ
What is the default switch state of DG417DY?
The DG417DY is a normally-closed (NC) SPST analog switch: it conducts between Source (pin 1) and Drain (pin 2) when the IN pin (pin 6) is logic low (≤0.8 V). When IN is logic high (≥2.4 V), the switch opens. This fail-safe behavior ensures signal continuity during power loss or controller reset - a key differentiator from NO variants like DG418DY. DG417DY maintains this NC function across its full −40 °C to +85 °C operating range.
Does DG417DY support single-supply operation?
Yes, DG417DY supports single-supply operation from 5 V to 40 V, with V− tied to ground. In this mode, the analog signal range is 0 V to V+, e.g., 0–12 V at V+ = 12 V. The device retains all key specs: 40 Ω typical RDS(on), 110 ns ton, and ±0.25 nA leakage. Logic supply VL remains independent (2.4–5.5 V), allowing interfacing with 3.3 V or 5 V controllers regardless of analog rail voltage.
What is the maximum allowable supply voltage for DG417DY?
The absolute maximum rating for V+ is +44 V, and for V− is −20 V, referenced to GND. However, functional operation is guaranteed only up to ±20 V dual supply or 40 V single supply. Exceeding these limits risks permanent damage. Derating applies above 25 °C: power dissipation must be reduced by 6 mW/°C. DG417DY's HVSG process enables this wide rating while maintaining low leakage and latchup immunity.
How does DG417DY handle analog signals exceeding the supply rails?
DG417DY includes internal clamping diodes on all analog pins (S, D, IN). Signals on S or D exceeding V+ or falling below V− will be clamped, limiting forward diode current to 30 mA continuous or 100 mA pulsed (1 ms, 10% duty cycle). To prevent damage, external series resistors must limit current into these diodes - especially critical in overvoltage protection circuits. This clamping behavior is explicitly documented in Note "a" of the Vishay S10-1528 datasheet for DG417DY.
Is DG417DY pin-compatible with DG417DJ or DG417DY-E3?
Yes - DG417DY, DG417DY-E3, and DG417DJ share identical pinout, electrical specifications, and SOIC-8 (narrow) or MiniDIP-8 footprints. The suffixes denote packaging and termination: "DY" = SOIC-8 with matte tin leads, "DY-E3" = same with lead (Pb)-free compliance, "DJ" = plastic DIP-8. All operate identically across −40 °C to +85 °C and may be substituted in existing layouts without PCB changes, provided thermal and mechanical constraints (e.g., SOIC vs DIP height) are verified.
DG417DY Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay Siliconix
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Obsolete
- Switch Circuit:
- SPST - NC
- Multiplexer/Demultiplexer Circuit:
- 1:1
- Number of Circuits:
- 1
- On-State Resistance (Max):
- 35Ohm
- Channel-to-Channel Matching (ΔRon):
- -
- Voltage - Supply, Single (V+):
- 12V
- Voltage - Supply, Dual (V±):
- ±15V
- Switch Time (Ton, Toff) (Max):
- 175ns, 145ns
- -3db Bandwidth:
- -
- Charge Injection:
- 60pC
- Channel Capacitance (CS(off), CD(off)):
- 8pF, 8pF
- Current - Leakage (IS(off)) (Max):
- 250pA
- Crosstalk:
- -
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
DG417DY FAQ
1.How can I place an order for DG417DY through Aetrix?
Please submit a Request for Quotation (RFQ) for DG417DY on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for DG417DY reliable?
The price and inventory of DG417DY are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DG417DY is usually 5 days.
3.What payment methods are accepted for DG417DY?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DG417DY transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DG417DY?
DG417DY orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DG417DY order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for DG417DY?
For technical support, including DG417DY datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DG417DY requirements.
6.How does Aetrix verify that DG417DY is sourced from the original manufacturer or authorized distributors?
All DG417DY products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that DG417DY meets industry standards.
7.What is the process for return or replacement of DG417DY?
All DG417DY units undergo pre-shipment inspection (PSI). If there is an issue with DG417DY, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The DG417DY part is unused and in its original packaging.
Return procedure for DG417DY:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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