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Vishay Siliconix DG441LDY-T1
- Part No.:
- DG441LDY-T1
- Manufacturer:
- Vishay Siliconix
- Package:
- 16-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
DG441LDY-T1.pdf
- Description:
- IC SWITCH SPST-NCX4 30OHM 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,941
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Product details
Overview
DG441LDY-T1 from Vishay Siliconix is a precision monolithic quad SPST low-voltage CMOS analog switch in 16-pin narrow SOIC package, featuring 20 ns turn-on time, 17 Ω on-resistance at 12 V supply, and ±3 V to ±6 V dual-supply operation. It serves as a high-fidelity signal routing device in precision data acquisition and audio/video switching applications where low distortion and break-before-make action are critical.
For engineers reviewing the DG441LDY-T1 datasheet, DG441LDY-T1 pinout, DG441LDY-T1 application, or DG441LDY-T1 equivalent, key selection considerations include its guaranteed RDS(on) matching (≤0.5 Ω), 0.25 nA max channel leakage at 25 °C, 2000 V HBM ESD rating, and compatibility with TTL/CMOS logic levels across –40 °C to +85 °C industrial temperature range.
Technical Context
The DG441LDY-T1 implements four independent single-pole single-throw (SPST) switches using BiCMOS fabrication, enabling simultaneous support for 2.7–12 V single-supply and ±3–±6 V dual-supply operation. Its architecture enforces break-before-make switching to prevent signal shorting during state transitions.
Each switch exhibits flat on-resistance over its full analog signal range (0–12 V in single-supply mode), with typical RDS(on) of 20 Ω at 12 V and 35 Ω at 5 V, and maintains ≤5 pC charge injection-critical for sample-and-hold and precision gain-switching circuits.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Range | 2.7–12 V single supply or ±3–±6 V dual supply - supports battery-powered and mixed-signal systems without level-shifting |
| RDS(on) | 17 Ω (typical, 12 V) - enables <1 % gain error in 50 Ω–1 kΩ impedance interfaces |
| tON/tOFF | 20 ns / 12 ns (12 V, RL=300 Ω, CL=35 pF) - suitable for 25 MHz digital control and <10 MHz analog signal routing |
| Leakage Current | ±0.25 nA max (25 °C) - preserves DC accuracy in high-impedance sensor front-ends |
| ESD Rating | 2000 V HBM - meets IEC 61000-4-2 Level 2 for board-level robustness |
| Off Isolation | 71 dB at 1 MHz - suppresses crosstalk between adjacent channels in multi-channel AFEs |
| Charge Injection | 5 pC (12 V) - limits voltage glitch to <50 µV on 10 nF hold capacitors |
Pinout & Package
Package: 16-pin narrow-body SOIC (JEDEC MS-012), 10.0 mm × 4.0 mm × 1.75 mm body height, 1.27 mm pitch.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 3, 4 (IN1–IN4) | Digital control inputs | Active-high logic; drive ≥2.4 V for ON state, ≤0.8 V for OFF; TTL/CMOS compatible |
| 5, 6, 12, 13 (S1–S4) | Switch source terminals | Analog input nodes; support rail-to-rail signal swing (0–12 V or ±5 V) |
| 7, 8, 11, 10 (D1–D4) | Switch drain terminals | Analog output nodes; matched RDS(on) ensures uniform gain across all four channels |
| 9 (GND) | Analog/digital ground reference | Common return for supplies and logic; must be low-impedance to minimize noise coupling |
| 14 (V−) | Negative supply rail | Required for dual-supply operation; connects to –3 V to –6 V; omitted in single-supply configs |
| 15 (V+) | Positive supply rail | Supplies analog and digital circuitry; operates from 2.7 V to 12 V |
| 16 (NC) | No-connect terminal | Internally unconnected; must remain floating per datasheet guidance |
Key Features
| Feature | Design Value |
|---|---|
| Break-before-make switching | Prevents momentary shorting between S and D during transition - essential for fault-tolerant multiplexing |
| RDS(on) matching | ≤0.5 Ω max mismatch between any two channels - enables precision resistor-programmable gain amplifiers |
| Low charge injection | 5 pC typical - reduces sampling error in open-loop S/H circuits without requiring correlated double sampling |
| Wide supply flexibility | Operates from 2.7 V single supply up to ±6 V dual supply - simplifies power architecture in mixed-voltage systems |
| Halogen-free construction | Complies with IEC 61249-2-21 - satisfies RoHS and green manufacturing requirements |
Applications
| Precision Data Acquisition | Audio Signal Routing |
|---|---|
Use Scenario: Multiplexing multiple sensor outputs into a shared ADC channel in industrial PLC modules. IC Role / Device Role / Timing Role: Quad SPST analog switch providing channel isolation and rail-to-rail signal pass-through with minimal THD. Use Value: 71 dB off-isolation and 0.25 nA leakage preserve microvolt-level resolution across 16-bit ADC inputs. | Use Scenario: Selecting between line-level stereo sources in professional audio mixers with relay-free design. IC Role / Device Role / Timing Role: Low-distortion analog path selector with 20 ns switching speed synchronized to mute control logic. Use Value: Flat 20 Ω RDS(on) and <–95 dB crosstalk ensure channel separation exceeds AES3 standards. |
| Video Signal Switching | Battery-Powered Test Equipment |
Use Scenario: Routing composite or component video signals in portable media converters. IC Role / Device Role / Timing Role: High-bandwidth SPST switch supporting –3 dB bandwidth >280 MHz at 12 V supply. Use Value: 280 MHz –3 dB insertion loss point maintains NTSC/PAL signal integrity without equalization. | Use Scenario: Configuring measurement ranges in handheld multimeters with auto-ranging function. IC Role / Device Role / Timing Role: Low-leakage, low-RDS(on) switch enabling accurate current/voltage scaling via precision resistor networks. Use Value: 5 pC charge injection prevents offset drift during range switching, eliminating recalibration cycles. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4617ESE+ | Single-supply only (2.7–12 V); 35 Ω RDS(on) at 5 V; 30 ns tON; no dual-supply support | Suitable for cost-sensitive 5 V systems but lacks ±5 V operation required for bipolar signal conditioning | Select when dual-supply capability is unnecessary and lower ESD rating (1500 V HBM) is acceptable |
| ADG1419BRUZ | Higher RDS(on) (1.3 Ω typ at 15 V), wider temp range (–40 °C to +125 °C), 16-lead TSSOP only | Better for high-temp automotive sensing; incompatible pinout and higher supply voltage minimum (5 V) | Choose for extended temperature operation and ultra-low on-resistance, not for drop-in replacement |
Compared with MAX4617ESE+ and ADG1419BRUZ, the DG441LDY-T1 uniquely balances dual-supply flexibility, sub-20 ns switching, and 17 Ω RDS(on) in a standard SOIC package-making it optimal for industrial data loggers needing both unipolar and bipolar analog signal routing without layout redesign.
Availability
DG441LDY-T1 is available at Aetrix Electronics and suitable for precision data acquisition, audio/video routing, and battery-powered test equipment requiring stable component supply across industrial temperature grades.
Supply support for DG441LDY-T1 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 semiconductor manufacturer specializing in discrete MOSFETs, diodes, optoelectronics, and precision analog switches with emphasis on reliability and performance in harsh environments.
The DG441L family was designed specifically for high-fidelity analog signal routing in automated test equipment and communication infrastructure where low distortion, fast settling, and supply flexibility are mandatory.
FAQ
What is the maximum analog signal voltage range supported by the DG441LDY-T1?
The DG441LDY-T1 supports a full rail-to-rail analog signal range: 0 V to 12 V with single 12 V supply, or –5 V to +5 V with ±5 V dual supply. Absolute maximum analog voltage is clamped to V+ + 0.3 V and V– – 0.3 V by internal protection diodes, and operation outside these bounds risks latch-up or damage. The DG441LDY-T1 datasheet specifies guaranteed performance across this range under defined load and temperature conditions.
Does the DG441LDY-T1 require external pull-up or pull-down resistors on its digital inputs?
No, the DG441LDY-T1 does not require external pull-up or pull-down resistors. Its digital inputs are TTL/CMOS compatible with guaranteed logic thresholds: VIN(H) ≥ 2.4 V for ON state and VIN(L) ≤ 0.8 V for OFF state across –40 °C to +85 °C. Input leakage remains ≤±1.5 µA, allowing direct connection to microcontroller GPIOs or FPGA outputs without additional biasing components. This behavior is confirmed in the DG441LDY-T1 specification tables for both single- and dual-supply configurations.
Can the DG441LDY-T1 operate reliably at 3 V single supply?
Yes, the DG441LDY-T1 is fully specified for 3 V single-supply operation (V+ = 3 V, V– = 0 V), delivering RDS(on) ≤115 Ω, tON ≤175 ns, and leakage ≤±10 nA over temperature. Its logic thresholds adjust accordingly (VIN(H) ≥ 2.4 V, VIN(L) ≤ 0.4 V), ensuring compatibility with 3 V logic families. Performance trade-offs versus 12 V operation-such as higher on-resistance and slower switching-are documented in the DG441LDY-T1 datasheet's 3 V specification table.
What is the thermal derating behavior of the DG441LDY-T1 in SOIC package?
The DG441LDY-T1 in 16-pin narrow SOIC has a power dissipation limit of 650 mW at 25 °C, derated linearly at 7.6 mW/°C above 75 °C. At 105 °C ambient, maximum allowable power drops to 422 mW. This derating applies regardless of supply configuration (single or dual) and assumes proper PCB copper area per Vishay's recommended SOIC pad layout (Document 63550). Exceeding these limits risks parametric shift or long-term reliability degradation in the DG441LDY-T1.
Is the DG441LDY-T1 pin-compatible with the industry-standard DG441 series?
Yes, the DG441LDY-T1 is pin-for-pin compatible with the legacy DG441 series (e.g., DG441DJ) and shares identical 16-pin SOIC pinout, logic polarity, and functional block diagram. However, the "L" suffix denotes improved performance: lower RDS(on), faster switching, and enhanced ESD protection (2000 V HBM vs. 1000 V in older versions). No PCB changes are required when upgrading from DG441DJ to DG441LDY-T1, and the DG441LDY-T1 maintains full electrical interoperability in existing designs.
DG441LDY-T1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay Siliconix
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Switch Circuit:
- SPST - NC
- 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
DG441LDY-T1 FAQ
1.How can I place an order for DG441LDY-T1 through Aetrix?
Please submit a Request for Quotation (RFQ) for DG441LDY-T1 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 DG441LDY-T1 reliable?
The price and inventory of DG441LDY-T1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DG441LDY-T1 is usually 5 days.
3.What payment methods are accepted for DG441LDY-T1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DG441LDY-T1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DG441LDY-T1?
DG441LDY-T1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DG441LDY-T1 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 DG441LDY-T1?
For technical support, including DG441LDY-T1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DG441LDY-T1 requirements.
6.How does Aetrix verify that DG441LDY-T1 is sourced from the original manufacturer or authorized distributors?
All DG441LDY-T1 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 DG441LDY-T1 meets industry standards.
7.What is the process for return or replacement of DG441LDY-T1?
All DG441LDY-T1 units undergo pre-shipment inspection (PSI). If there is an issue with DG441LDY-T1, 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 DG441LDY-T1 part is unused and in its original packaging.
Return procedure for DG441LDY-T1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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