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Vishay Siliconix DG442LDY-E3
- Part No.:
- DG442LDY-E3
- Manufacturer:
- Vishay Siliconix
- Package:
- 16-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
DG442LDY-E3.pdf
- Description:
- IC SWITCH SPST-NOX4 30OHM 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:4,464
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Product details
Overview
DG442LDY-E3 from Vishay Siliconix is a precision monolithic quad SPST low-voltage CMOS analog switch with break-before-make switching action, 20 ns turn-on time, 12 ns turn-off time, and 17 Ω on-resistance - designed for audio/video signal routing in battery-powered instrumentation and precision data acquisition systems.
For engineers reviewing the DG442LDY-E3 datasheet, DG442LDY-E3 pinout, DG442LDY-E3 application, or DG442LDY-E3 equivalent, key selection criteria include guaranteed RDS(on) flatness over signal range, sub-15 pC charge injection, -50 dB off-isolation at 50 MHz, and dual-supply (±3 V to ±6 V) or single-supply (2.7 V to 12 V) operation compatibility.
Technical Context
The DG442LDY-E3 implements complementary MOSFET channel architecture with BiCMOS fabrication, enabling rail-to-rail analog signal handling and TTL/CMOS-compatible digital control inputs. Its logic-inverted truth table (IN = 0 → ON; IN = 1 → OFF) distinguishes it from the DG441L family while sharing identical pinout and package.
It features integrated 2000 V HBM ESD protection, guaranteed 0.25 nA max leakage at room temperature, and operates across -40 °C to +85 °C with no derating required below 75 °C. The device maintains <0.5 Ω on-resistance matching between channels under 10 mA load conditions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On-resistance (RDS(on)) | 17 Ω typical at V+ = 12 V, ensuring minimal signal attenuation in precision gain-setting and multiplexing paths |
| Turn-on / Turn-off time | 20 ns / 12 ns at RL = 300 Ω, CL = 35 pF - supports high-speed sampling and video switching up to 280 MHz (-3 dB bandwidth) |
| Analog signal range | 0 to 12 V (single supply) or ±5 V (dual supply) - enables full-rail signal switching without clipping |
| Charge injection | 5 pC maximum - critical for low-error sample-and-hold and precision ADC front-end applications |
| Off-isolation | -50 dB at 50 MHz - suppresses crosstalk in multi-channel audio routing and communication interfaces |
| Supply voltage range | 2.7 V to 12 V single supply or ±3 V to ±6 V dual supply - supports portable, industrial, and mixed-signal system integration |
| ESD rating | 2000 V HBM - provides robust handling during PCB assembly and field operation without external protection |
Pinout & Package
Package: 16-pin narrow-body SOIC (JEDEC MS-012), 7.5 mm × 10.3 mm footprint, 1.27 mm pitch, 1.75 mm max height.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 3, 4 (IN1–IN4) | Digital control input | Active-low logic interface: logic 0 (≤0.8 V) enables switch; logic 1 (≥2.4 V) disables - inverted relative to DG441L |
| 5, 6, 11, 12 (S1–S4) | Source terminal | Analog input/output node for each SPST channel; bidirectional, rail-to-rail capable |
| 7, 8, 15, 16 (D1–D4) | Drain terminal | Analog output/input node; matched to S pins for symmetrical on-resistance and capacitance |
| 9 (GND) | Ground reference | Common return for digital logic and substrate bias; must be low-impedance for leakage and noise control |
| 10 (NC) | No-connect | Internally unconnected; must remain floating - not to be tied to any potential |
| 13 (V−) | Negative supply rail | Required for dual-supply operation; sets lower analog signal limit and internal bias point |
| 14 (V+) | Positive supply rail | Primary power for analog path and level-shifting circuitry; determines max signal swing |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail analog switching | Supports 0 V to V+ or ±VSUPPLY signal ranges without distortion - essential for true DC-coupled instrumentation |
| Break-before-make action | Guarantees no momentary short between channels during state transition - prevents signal glitches in multiplexer arrays |
| Low on-resistance flatness | ΔRDS(on) ≤ 0.5 Ω across channels and signal range - preserves gain accuracy in programmable resistor networks |
| TTL/CMOS logic compatibility | Accepts standard 0.8 V / 2.4 V thresholds without external level shifters - simplifies interface with microcontrollers and FPGAs |
| Halogen-free & RoHS-compliant | Meets IEC 61249-2-21 and Directive 2002/95/EC - supports environmentally regulated industrial and medical designs |
Applications
| Precision Data Acquisition | Audio Signal Routing |
|---|---|
Use Scenario: Multiplexing multiple sensor inputs into a single high-resolution ADC in automated test equipment. IC Role / Device Role / Timing Role: Quad SPST switch providing channel isolation and low-charge-injection sampling control. Use Value: 5 pC charge injection and 0.25 nA leakage minimize offset drift and settling error in 16-bit+ systems. | Use Scenario: Selecting between stereo line-level sources in professional audio mixers or USB DACs. IC Role / Device Role / Timing Role: Bidirectional analog path selector with rail-to-rail capability and low crosstalk. Use Value: -50 dB off-isolation at 50 MHz and 20 ns switching enable clean source switching without audible artifacts. |
| Battery-Powered Instrumentation | Communication Interface Switching |
Use Scenario: Enabling/disabling analog front-end sections in handheld multimeters or portable oscilloscopes. IC Role / Device Role / Timing Role: Low-quiescent-power analog gate controlling signal path activation based on measurement mode. Use Value: 1.5 µA max supply current and 2.7 V minimum operation extend battery life while maintaining precision performance. | Use Scenario: Isolating DSLAM line drivers or SDSL transceivers during fault detection or calibration cycles. IC Role / Device Role / Timing Role: High-speed analog switch managing signal path integrity in broadband access equipment. Use Value: 280 MHz -3 dB bandwidth and 17 Ω RDS(on) preserve signal fidelity in 1–10 MHz communication bands. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADG1412BRUZ | Higher RDS(on) (1.8 Ω typ), wider supply (±5 V to ±15 V), 16-lead TSSOP only | Preferred for high-voltage industrial muxing; unsuitable for 2.7 V battery operation | Select when >±10 V signal range or sub-2 Ω on-resistance is required |
| TS5A3157DCKR | Lower voltage (1.65–5.5 V), smaller 6-pin SC70, 0.7 Ω RDS(on), but only single-channel | Used in space-constrained mobile audio; lacks quad integration and ±6 V dual-supply support | Select for ultra-low-voltage, single-channel, footprint-sensitive designs |
Compared with ADG1412BRUZ and TS5A3157DCKR, the DG442LDY-E3 uniquely balances quad-channel integration, 2.7–12 V flexibility, and precision analog specs - making it optimal for mid-range instrumentation where channel count, supply adaptability, and signal integrity are jointly critical.
Availability
DG442LDY-E3 is available at Aetrix Electronics and suitable for precision data acquisition, audio routing, and battery-powered instrumentation requiring stable component supply and long-term manufacturability.
Supply support for DG442LDY-E3 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, automotive, and computing markets.
The DG442L series belongs to Vishay's precision analog switch product line, engineered specifically for low-distortion, low-leakage signal routing in test equipment, communications infrastructure, and portable measurement systems.
FAQ
What is the logic polarity of DG442LDY-E3 control inputs?
The DG442LDY-E3 uses active-low logic: a logic 0 (≤0.8 V) turns the switch ON, and a logic 1 (≥2.4 V) turns it OFF. This inverted behavior differentiates it from the DG441L and must be accounted for in firmware or logic design. All four channels of DG442LDY-E3 follow this same truth table, and the part number DG442LDY-E3 explicitly denotes this logic configuration per Vishay's ordering matrix.
Does DG442LDY-E3 support dual-supply operation, and what are the limits?
Yes, DG442LDY-E3 supports dual-supply operation from ±3 V to ±6 V, with guaranteed performance at ±5 V. At ±5 V, RDS(on) is 20 Ω typical, tON/tOFF are 21 ns/16 ns, and analog signal range spans ±5 V. Operation outside ±3 V to ±6 V is not characterized - using ±6.5 V or higher risks exceeding absolute maximum ratings and invalidates parametric guarantees for DG442LDY-E3.
What is the maximum analog signal frequency supported by DG442LDY-E3?
The DG442LDY-E3 has a -3 dB bandwidth of 280 MHz under single-supply 12 V conditions (RL = 50 Ω), as confirmed in the Insertion Loss vs. Frequency plot. For practical analog switching applications like video or SDSL, usable bandwidth is limited by off-isolation (-50 dB at 50 MHz) and crosstalk (-95 dB at 1 MHz); thus, DG442LDY-E3 is optimized for signals up to ~50 MHz where isolation and crosstalk remain effective.
Can DG442LDY-E3 be used in a single-supply 3 V system?
Yes, DG442LDY-E3 is fully specified down to 2.7 V single supply. At 3 V, RDS(on) increases to 65 Ω typical, tON/tOFF become 50 ns/30 ns, and analog range is 0–3 V. Input thresholds adjust to VIN(L) ≤ 0.4 V and VIN(H) ≥ 2.4 V. All parameters remain guaranteed across -40 °C to +85 °C for DG442LDY-E3, making it viable for low-power portable designs.
Is the NC pin (pin 10) on DG442LDY-E3 required to be left unconnected?
Yes, pin 10 of DG442LDY-E3 is a true no-connect (NC) terminal - internally unconnected and electrically isolated. It must remain floating and must not be tied to GND, V+, V−, or any other potential. Soldering or routing to this pin may cause unpredictable leakage or latch-up. The DG442LDY-E3 datasheet explicitly states "NC" in the pin configuration diagram and functional block diagram, confirming its non-functional status.
DG442LDY-E3 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay Siliconix
- Series:
- -
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Switch Circuit:
- SPST - NO
- Multiplexer/Demultiplexer Circuit:
- 1:1
- Number of Circuits:
- 4
- On-State Resistance (Max):
- 30Ohm
- Channel-to-Channel Matching (ΔRon):
- 100mOhm
- Voltage - Supply, Single (V+):
- 2.7V ~ 12V
- Voltage - Supply, Dual (V±):
- ±3V ~ 6V
- Switch Time (Ton, Toff) (Max):
- 60ns, 35ns
- -3db Bandwidth:
- 280MHz
- Charge Injection:
- 5pC
- Channel Capacitance (CS(off), CD(off)):
- 5pF, 6pF
- Current - Leakage (IS(off)) (Max):
- 1nA
- Crosstalk:
- -95dB @ 1MHz
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SOIC
DG442LDY-E3 FAQ
1.How can I place an order for DG442LDY-E3 through Aetrix?
Please submit a Request for Quotation (RFQ) for DG442LDY-E3 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 DG442LDY-E3 reliable?
The price and inventory of DG442LDY-E3 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DG442LDY-E3 is usually 5 days.
3.What payment methods are accepted for DG442LDY-E3?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DG442LDY-E3 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DG442LDY-E3?
DG442LDY-E3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DG442LDY-E3 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 DG442LDY-E3?
For technical support, including DG442LDY-E3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DG442LDY-E3 requirements.
6.How does Aetrix verify that DG442LDY-E3 is sourced from the original manufacturer or authorized distributors?
All DG442LDY-E3 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 DG442LDY-E3 meets industry standards.
7.What is the process for return or replacement of DG442LDY-E3?
All DG442LDY-E3 units undergo pre-shipment inspection (PSI). If there is an issue with DG442LDY-E3, 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 DG442LDY-E3 part is unused and in its original packaging.
Return procedure for DG442LDY-E3:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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