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Vishay Siliconix DG444BDY-E3
- Part No.:
- DG444BDY-E3
- Manufacturer:
- Vishay Siliconix
- Package:
- 16-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
DG444BDY-E3.pdf
- Description:
- IC SWITCH SPST-NCX4 80OHM 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,042
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Product details
Overview
DG444BDY-E3 from Vishay Siliconix is a monolithic quad SPST CMOS analog switch optimized for high-speed, low-error signal routing in dual-supply systems. It delivers 45 Ω typical on-resistance, 120 ns typical turn-on time (with unipolar 12 V supply), and <1 pC charge injection-enabling precision sample-and-hold and audio switching applications.
For engineers reviewing the DG444BDY-E3 datasheet, DG444BDY-E3 pinout, DG444BDY-E3 application, or DG444BDY-E3 equivalent, key selection criteria include guaranteed on-resistance flatness over ±15 V analog range, TTL/CMOS-compatible logic thresholds (0.8 V low / 2.4 V high), and SOIC-16 package compatibility with industrial temperature operation (–40 °C to +85 °C).
Technical Context
The DG444BDY-E3 implements four independent bidirectional analog switches using high-voltage silicon-gate CMOS technology with epitaxial latchup protection. Each channel operates symmetrically-conducting equally well in both directions when ON and blocking signals up to the supply rails when OFF.
Its control architecture accepts logic inputs referenced to VL (5 V) while switching analog signals spanning –15 V to +15 V (dual supply) or 0 V to +12 V (unipolar). Charge injection is minimized at the drain terminal to reduce pedestal error in sampling circuits.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On-Resistance | 45 Ω typ. (±15 V supplies); ensures minimal signal attenuation and gain error in precision amplifier gain-switching networks |
| Turn-On Time | 120 ns typ. (12 V unipolar); supports >1 MHz multiplexed data acquisition without timing skew |
| Charge Injection | 1 pC typ. (dual supply); limits hold-mode voltage step error to <1 mV in 1 nF sample capacitors |
| Off Isolation | –90 dB at 100 kHz; suppresses crosstalk between adjacent channels in multi-channel instrumentation |
| Analog Range | ±15 V (dual) or 0–12 V (unipolar); accommodates industrial sensor outputs and audio line-level signals |
| Logic Compatibility | TTL/CMOS with VINL ≤ 0.8 V and VINH ≥ 2.4 V; enables direct interface to microcontrollers and FPGAs without level shifters |
| Supply Current | ±1 µA max. (I+, I–, IIN); reduces system power budget in battery-operated portable test equipment |
Pinout & Package
Package: 16-pin narrow-body SOIC (JEDEC MS-012), 3.8 mm × 9.9 mm footprint, 1.27 mm pitch, RoHS-compliant lead finish (E3 suffix).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 5, 9, 13 | INx (Digital Control Input) | Active-high enable for corresponding switch; logic threshold defined at VL = 5 V |
| 2, 6, 10, 14 | Sx (Source Terminal) | Analog input/output node; bidirectional conduction path when switch is ON |
| 3, 7, 11, 15 | Dx (Drain Terminal) | Analog input/output node; drain-side charge injection minimized for S/H accuracy |
| 4 | V– | Negative analog supply rail; must be connected for dual-supply operation |
| 8 | GND | Digital ground reference for logic inputs and VL supply return |
| 12 | VL | Logic supply input (5 V); decoupled locally to minimize digital noise coupling into analog paths |
| 16 | V+ | Positive analog supply rail; sets upper limit of switchable analog voltage range |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional analog conduction | Enables reuse of same switch for signal routing in either direction-reducing BOM count in programmable gain amplifiers |
| Epitaxial latchup protection | Guarantees robust operation under transient overvoltage or ESD events in medical and industrial environments |
| Low on-resistance flatness | Variation <15 % across full ±15 V analog range-preserves linearity in precision measurement front-ends |
| High off-isolation | –90 dB at 100 kHz ensures <0.001 % signal bleed-through between active and inactive channels |
| Minimal charge injection | 1 pC typ. enables sub-12-bit accuracy in 1 µs sample-and-hold cycles without correction circuitry |
Applications
| Audio Switching | Data Acquisition |
|---|---|
Use Scenario: Routing multiple microphone or line-level inputs to a single ADC in professional audio mixers. IC Role / Device Role / Timing Role: Quad SPST analog switch providing channel-select functionality with <–95 dB crosstalk. Use Value: Preserves wide dynamic range (>110 dB SNR) by minimizing inter-channel leakage and distortion from 45 Ω RDS(on). | Use Scenario: Multiplexing sensor outputs (thermocouples, strain gauges) into a shared precision ADC in PLC modules. IC Role / Device Role / Timing Role: Signal-path switch enabling sequential sampling with 120 ns tON and <1 pC charge injection. Use Value: Eliminates hold capacitor recharge error, supporting 16-bit effective resolution without calibration. |
| Sample-and-Hold Circuits | Communication Systems |
Use Scenario: Capturing fast analog waveforms (e.g., RF envelope detection) before digitization in test equipment. IC Role / Device Role / Timing Role: Low-charge-injection switch isolating hold capacitor during acquisition phase. Use Value: Limits pedestal error to <0.5 mV on 1 nF capacitors-critical for accurate DC-coupled waveform capture. | Use Scenario: Configuring filter banks or antenna tuning elements in software-defined radio front-ends. IC Role / Device Role / Timing Role: High-isolation analog switch selecting between matched impedance paths at IF frequencies. Use Value: Maintains <–90 dB off-isolation up to 100 kHz, preventing signal degradation in multi-band receivers. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad SPST analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4617ESE+ | Higher on-resistance (100 Ω typ.), lower charge injection (0.5 pC), ±15 V rating | Better suited for ultra-low pedestal error in high-resolution S/H; less ideal for low-distortion audio due to RDS(on) | Select MAX4617ESE+ only when charge injection <0.7 pC is mandatory and RDS(on) >80 Ω is acceptable |
| ADG1414BRUZ | Lower on-resistance (4.5 Ω typ.), higher supply current (200 µA), same SOIC-16 package | Superior for low-loss signal routing in precision instrumentation; unsuitable for low-power portable designs | Choose ADG1414BRUZ when on-resistance <5 Ω is required and 200 µA quiescent current is tolerable |
Compared with DG444BDY-E3, MAX4617ESE+ trades higher on-resistance for lower charge injection-making it preferable in metrology-grade S/H, while ADG1414BRUZ offers dramatically lower RDS(on) at the cost of 200× higher supply current, better fitting high-fidelity signal chains than battery-powered systems.
Availability
DG444BDY-E3 is available at Aetrix Electronics and suitable for audio switching, data acquisition, and sample-and-hold circuits requiring stable component supply across industrial temperature ranges and long-term production continuity.
Supply support for DG444BDY-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 semiconductor manufacturer specializing in discrete components and analog ICs, with expertise in high-reliability power MOSFETs, diodes, optoelectronics, and precision analog switches.
The DG444B family was designed specifically for high-fidelity analog signal routing in test and measurement, medical, and industrial instrumentation-emphasizing low distortion, low charge injection, and rail-to-rail analog handling.
FAQ
What is the maximum analog signal voltage range supported by the DG444BDY-E3?
The DG444BDY-E3 supports an analog signal range of ±15 V with dual supplies (V+ = +15 V, V– = –15 V) or 0 V to +12 V with unipolar supply (V+ = +12 V, V– = 0 V). Exceeding these limits risks clamping by internal diodes or permanent damage per absolute maximum ratings.
Does the DG444BDY-E3 require external pull-up or pull-down resistors on its INx pins?
No, the DG444BDY-E3 does not require external biasing on INx pins. Its TTL/CMOS-compatible inputs have defined thresholds (VINL ≤ 0.8 V, VINH ≥ 2.4 V) and draw only ±1 µA max input current, allowing direct connection to microcontroller GPIOs or FPGA I/O banks without additional components.
Can the DG444BDY-E3 operate with VL = 3.3 V instead of the specified 5 V logic supply?
No-the DG444BDY-E3 is characterized and guaranteed only for VL = 5 V. Using 3.3 V violates the specified input voltage thresholds (VINH ≥ 2.4 V requires margin above 3.3 V), risking unreliable switching and increased propagation delay; no performance data exists for VL < 4.5 V.
How does the DG444BDY-E3 handle signals exceeding the V+ or V– rails?
Signals on Sx or Dx terminals exceeding V+ or V– are clamped by internal diodes per datasheet Note (a). Forward diode current must be limited to ≤30 mA continuous or ≤100 mA pulsed (1 ms, 10% duty cycle) to prevent damage-external series resistors are recommended for overvoltage protection.
Is the DG444BDY-E3 pin-compatible with the legacy DG444DJ-E3 DIP package version?
No-while both share identical electrical functionality and logic mapping, DG444BDY-E3 uses a 16-pin narrow SOIC package (3.8 mm × 9.9 mm), whereas DG444DJ-E3 uses a 16-pin plastic DIP (19.1 mm × 6.6 mm). PCB layout and thermal design differ significantly; no mechanical or solder footprint compatibility exists.
DG444BDY-E3 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay Siliconix
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Active
- Switch Circuit:
- SPST - NC
- Multiplexer/Demultiplexer Circuit:
- 1:1
- Number of Circuits:
- 4
- On-State Resistance (Max):
- 80Ohm
- Channel-to-Channel Matching (ΔRon):
- -
- Voltage - Supply, Single (V+):
- 13V ~ 36V
- Voltage - Supply, Dual (V±):
- ±7V ~ 22V
- Switch Time (Ton, Toff) (Max):
- 300ns, 200ns
- -3db Bandwidth:
- -
- Charge Injection:
- 1pC
- Channel Capacitance (CS(off), CD(off)):
- 5pF, 5pF
- Current - Leakage (IS(off)) (Max):
- 500pA
- Crosstalk:
- -95dB @ 100kHz
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SOIC
DG444BDY-E3 FAQ
1.How can I place an order for DG444BDY-E3 through Aetrix?
Please submit a Request for Quotation (RFQ) for DG444BDY-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 DG444BDY-E3 reliable?
The price and inventory of DG444BDY-E3 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DG444BDY-E3 is usually 5 days.
3.What payment methods are accepted for DG444BDY-E3?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DG444BDY-E3 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DG444BDY-E3?
DG444BDY-E3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DG444BDY-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 DG444BDY-E3?
For technical support, including DG444BDY-E3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DG444BDY-E3 requirements.
6.How does Aetrix verify that DG444BDY-E3 is sourced from the original manufacturer or authorized distributors?
All DG444BDY-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 DG444BDY-E3 meets industry standards.
7.What is the process for return or replacement of DG444BDY-E3?
All DG444BDY-E3 units undergo pre-shipment inspection (PSI). If there is an issue with DG444BDY-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 DG444BDY-E3 part is unused and in its original packaging.
Return procedure for DG444BDY-E3:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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