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Analog Devices Inc./Maxim Integrated DG413FDY+
- Part No.:
- DG413FDY+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
DG413FDY+.pdf
- Description:
- IC SW SPST-NO/NCX4 35OHM 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:105
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Product details
Overview
DG413FDY+ from Maxim Integrated is a quad SPST analog switch with two normally open (NO) and two normally closed (NC) channels, fault-protected to ±36V with power on and ±40V with power off, 35Ω max on-resistance at ±15V, rail-to-rail signal handling, and TTL/CMOS-compatible logic inputs - used in redundant avionics signal routing where overvoltage resilience and channel independence are critical.
For engineers reviewing the DG413FDY+ datasheet, DG413FDY+ pinout, DG413FDY+ application, or DG413FDY+ equivalent, this page delivers verified specifications, fault-protection behavior under dual/single supply, real-world leakage and timing data, and validated alternatives for industrial control and test equipment design.
Technical Context
The DG413FDY+ implements dual-FET (N+P channel) parallel switching per channel to achieve low RON and true bidirectional rail-to-rail conduction. Its fault protection uses independent high- and low-voltage comparators on each COM/NO/NC terminal, triggering microsecond-scale turn-off when signals exceed V+ +50mV or fall below V− −50mV.
It supports asymmetric dual supplies (±4.5V to ±20V) and single supplies (+9V to +36V), with logic thresholds fixed at +0.8V/+2.4V regardless of supply voltage - enabling direct interface to 3.3V/5V controllers even when analog rails operate at ±15V or +24V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On-Resistance (RON) | 35 Ω max at ±15V, +25°C - ensures minimal signal attenuation and thermal drift in precision analog paths. |
| RON Match Between Channels | 1.5 Ω max - enables matched gain/phase response across multi-channel data acquisition front-ends. |
| Fault Protection Range | ±36V with power on, ±40V with power off - protects against transient surges in avionics and industrial I/O without external clamping. |
| Turn-On/Off Time | 70–175 ns / 55–145 ns (±15V) - supports high-speed multiplexing up to ~5 MHz without significant settling delay. |
| Off-Leakage Current | ±0.25 nA max at +25°C - preserves accuracy in high-impedance sensor interfaces and integrator circuits. |
| Supply Range | ±4.5V to ±20V dual or +9V to +36V single - allows flexible integration into legacy ±15V systems or modern wide-input industrial PSUs. |
| Fault Response Time | 20 ns typical - limits energy injection during overvoltage events, reducing risk of downstream component damage. |
Pinout & Package
Package: 16-pin SOIC (Small Outline Integrated Circuit), RoHS-compliant, 1.27 mm pitch, JEDEC MS-012AC outline.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1, 8, 9, 16 | IN1–IN4 | Digital control inputs; CMOS/TTL compatible with logic thresholds at +0.8V (low) and +2.4V (high). |
| 2, 7, 10, 15 | COM1–COM4 | Common analog terminals; fault-protected, bidirectional, rail-to-rail capable. |
| 3, 6 | NO1, NO4 | Normally open analog terminals; high-impedance when IN = low, connected to COM when IN = high. |
| 11, 14 | NC2, NC3 | Normally closed analog terminals; connected to COM when IN = low, open when IN = high. |
| 4 | V− | Negative supply input; connect to GND for single-supply operation; requires 0.1 µF bypass capacitor. |
| 5 | GND | Digital ground reference; separate from analog signal path but required for logic-level translator biasing. |
| 12 | N.C. | No internal connection; must remain unconnected on PCB. |
| 13 | V+ | Positive supply input; supports up to +44V absolute max; requires 0.1 µF bypass capacitor. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail signal handling | Signals from V− to V+ pass unattenuated in either direction - eliminates level-shifting in ±15V instrumentation front-ends. |
| Break-before-make (BBM) | 2–15 ns guaranteed for DG413F channels - prevents momentary shorting during channel switching in power-sensitive analog muxes. |
| Power-off fault protection | ±40V terminal tolerance with zero supply current - maintains system safety during brownout or hot-swap conditions. |
| No supply sequencing required | V+ and V− may be powered in any order - simplifies power management in multi-rail systems with staggered startup. |
| Channel-to-channel crosstalk | −105 dB at 1 MHz - enables simultaneous sampling of high-dynamic-range signals without inter-channel interference. |
Applications
| Avionics Signal Redundancy | Industrial Data Acquisition |
|---|---|
Use Scenario: Routing critical flight-control sensor signals between primary and backup processing units with automatic fault isolation. IC Role / Device Role / Timing Role: Quad SPST switch providing isolated, fault-protected signal paths with BBM timing to prevent cross-talk during switchover. Use Value: Maintains signal integrity during ±36V transients on aircraft bus lines while enabling seamless failover without manual intervention. |
Use Scenario: Multiplexing outputs from multiple high-precision RTD or thermocouple conditioners into a shared ADC. IC Role / Device Role / Timing Role: Low-leakage, matched-RON analog switch ensuring consistent gain and offset across all four channels. Use Value: Enables <1 LSB error in 24-bit measurements by limiting channel mismatch to ≤1.5 Ω and off-leakage to ±0.25 nA. |
| Automated Test Equipment (ATE) | Process Control I/O Modules |
Use Scenario: Configurable signal routing between DUT ports, calibration sources, and measurement instruments in modular ATE racks. IC Role / Device Role / Timing Role: Fault-protected SPST switch allowing safe reconfiguration under live bias conditions without relay wear or arcing. Use Value: Eliminates need for mechanical relays in medium-speed (<10 MHz) test fixtures, reducing maintenance and improving repeatability. |
Use Scenario: Isolating field transmitters (4–20 mA, HART) from PLC analog inputs during maintenance or fault conditions. IC Role / Device Role / Timing Role: Dual NO/NC configuration enabling both active-passive signal gating and diagnostic loop-back capability. Use Value: Supports SIL-2 functional safety requirements via hardware-enforced open-circuit fault response within 20 ns. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar fault-protected analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4713ESE+ | Same pinout, identical RON (35Ω max), but rated only to ±20V fault protection and lacks BBM guarantee. | Better suited for lower-voltage industrial controls where ±20V fault margin suffices and cost sensitivity is higher. | Select MAX4713ESE+ only if system overvoltage exposure stays within ±20V and BBM timing is not safety-critical. |
| ADG413BRZ | Pin-compatible, ±40V fault rating with power off, but RON = 55Ω max and no BBM specification; operates only on ±15V supplies. | Appropriate for legacy ±15V test gear where higher RON is acceptable and extended supply range is unnecessary. | Choose ADG413BRZ when migrating from older ADG4xx designs and ±15V-only operation is confirmed. |
Compared with DG413FDY+, MAX4713ESE+ trades fault robustness for cost in mid-voltage systems, while ADG413BRZ offers broader legacy compatibility but sacrifices on-resistance performance and supply flexibility - making DG413FDY+ optimal for new designs requiring full ±36V resilience, BBM assurance, and wide supply adaptability.
Availability
DG413FDY+ is available at Aetrix Electronics and suitable for avionics signal redundancy, industrial data acquisition, and automated test equipment requiring stable component supply, long-term lifecycle support, and guaranteed RoHS compliance.
Supply support for DG413FDY+ 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
Maxim Integrated (now part of Analog Devices) designs high-performance analog and mixed-signal ICs for demanding industrial, automotive, and communications applications.
The DG413FDY+ belongs to Maxim's fault-protected analog switch family, engineered specifically for mission-critical signal routing where overvoltage resilience, rail-to-rail fidelity, and channel independence are non-negotiable.
FAQ
What is the maximum allowable fault voltage on DG413FDY+ COM pins with power applied?
The DG413FDY+ guarantees ±36V fault protection on COM, NO, and NC pins when power is applied - meaning signals from −36V to +36V relative to GND will not damage the device or compromise isolation, provided V+ and V− remain within their rated ranges. This is validated per Absolute Maximum Ratings and confirmed in Electrical Characteristics tables under "Fault-Protected Analog Signal Range".
Does DG413FDY+ support single-supply operation, and what is the minimum voltage?
Yes, DG413FDY+ supports single-supply operation with V− tied to GND and V+ ranging from +9V to +36V. The minimum valid single supply is +9V - below this, on-resistance increases significantly and logic thresholds may become unreliable. Operation at +9V is fully characterized in the datasheet's "Single +12V Supply" section and extended down to +9V in the Absolute Maximum Ratings table.
How does the break-before-make timing work in DG413FDY+?
DG413FDY+ implements guaranteed break-before-make (BBM) only on its two NO/NC pairs (channels 1/4 and 2/3), with tBBM specified at 2–15 ns typical under ±10V signal swing and 100Ω load. This prevents momentary shorting during state transitions - critical in power-sensitive analog muxes. BBM is not applicable to DG411F/DG412F variants, and DG413FDY+'s BBM is explicitly tested and guaranteed per Note 6 in the datasheet.
What is the on-resistance match between channels for DG413FDY+?
DG413FDY+ guarantees ΔRON ≤ 1.5 Ω max between any two channels at +25°C with ±15V supplies and 10mA load current. This tight matching ensures consistent gain, phase, and settling behavior across all four switches - essential for precision applications like multi-channel data acquisition where channel-to-channel uniformity directly impacts measurement accuracy.
Can DG413FDY+ be used with asymmetric dual supplies, such as +12V and −5V?
Yes, DG413FDY+ supports asymmetric dual supplies as long as the total differential (V+ − V−) remains ≤ 44V and each rail stays within its absolute maximum rating (V+ ≤ +44V, V− ≥ −44V). For example, +12V and −5V yields 17V differential - well within spec. The device's logic thresholds and fault comparators function correctly across this range, and RON, leakage, and timing parameters remain valid per characterization data.
DG413FDY+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Active
- Switch Circuit:
- SPST - NO/NC
- Multiplexer/Demultiplexer Circuit:
- 1:1
- Number of Circuits:
- 4
- On-State Resistance (Max):
- 35Ohm
- Channel-to-Channel Matching (ΔRon):
- 200mOhm
- Voltage - Supply, Single (V+):
- 9V ~ 36V
- Voltage - Supply, Dual (V±):
- ±4.5V ~ 20V
- Switch Time (Ton, Toff) (Max):
- 175ns, 145ns
- -3db Bandwidth:
- -
- Charge Injection:
- 5pC
- Channel Capacitance (CS(off), CD(off)):
- 15pF, 47pF
- Current - Leakage (IS(off)) (Max):
- 250pA
- Crosstalk:
- -105dB @ 1MHz
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SOIC
DG413FDY+ FAQ
1.How can I place an order for DG413FDY+ through Aetrix?
Please submit a Request for Quotation (RFQ) for DG413FDY+ 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 DG413FDY+ reliable?
The price and inventory of DG413FDY+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DG413FDY+ is usually 5 days.
3.What payment methods are accepted for DG413FDY+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DG413FDY+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DG413FDY+?
DG413FDY+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DG413FDY+ 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 DG413FDY+?
For technical support, including DG413FDY+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DG413FDY+ requirements.
6.How does Aetrix verify that DG413FDY+ is sourced from the original manufacturer or authorized distributors?
All DG413FDY+ 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 DG413FDY+ meets industry standards.
7.What is the process for return or replacement of DG413FDY+?
All DG413FDY+ units undergo pre-shipment inspection (PSI). If there is an issue with DG413FDY+, 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 DG413FDY+ part is unused and in its original packaging.
Return procedure for DG413FDY+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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