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Vishay Siliconix DG333ALDW-T1-E3
- Part No.:
- DG333ALDW-T1-E3
- Manufacturer:
- Vishay Siliconix
- Package:
- 20-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
DG333ALDW-T1-E3.pdf
- Description:
- IC SWITCH SPDT X 4 45OHM 20SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,933
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Product details
Overview
DG333ALDW-T1-E3 from Vishay Siliconix is a precision quad SPDT analog switch IC designed for high-accuracy signal routing in instrumentation and portable systems. It delivers 25 Ω typical on-resistance, <1 μA supply current, 175 ns turn-on time, ±22 V dual-supply operation, and break-before-make switching - enabling low-distortion audio routing and battery-powered test equipment.
For engineers reviewing the DG333ALDW-T1-E3 datasheet, DG333ALDW-T1-E3 pinout, DG333ALDW-T1-E3 application, or DG333ALDW-T1-E3 equivalent, key selection criteria include rail-to-rail analog range, micro-power operation (<1 μW typ.), channel-to-channel on-resistance matching (<2 Ω), low charge injection (10 pC max), and SOIC-20 wide-body package compatibility with automated assembly.
Technical Context
The DG333ALDW-T1-E3 integrates four independent SPDT switches fabricated in Vishay's HVSG-2 CMOS process, featuring epitaxial latchup protection and bidirectional conduction. Its control logic accepts TTL/CMOS-compatible inputs (VINH ≥ 2.4 V, VINL ≤ 0.8 V) and supports both single-supply (5–40 V) and dual-supply (±4 to ±22 V) configurations.
Each switch exhibits flat on-resistance (ΔRDS(on) < 3 Ω over ±5 V signal range), low leakage (0.25 nA max off-state), and guaranteed break-before-make timing (tD ≥ 5 ns). The DG333AL variant includes dedicated VL pin (Pin 15) for logic-level optimization and achieves <1 μW typical power consumption - critical for energy-constrained applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On-resistance | 25 Ω typ. - ensures minimal signal attenuation and voltage drop in precision analog paths |
| Supply current | <1 μA typ. - enables multi-year battery life in portable instrumentation |
| Switching time | 175 ns turn-on / 145 ns turn-off - supports high-speed multiplexing up to ~3 MHz clock rates |
| Analog range | ±22 V - accommodates full-rail signal handling without external level-shifting |
| Charge injection | 10 pC max - reduces settling error in switched-capacitor filters and sample-hold circuits |
| Off-isolation | 72 dB at 1 MHz - prevents crosstalk between active and inactive channels in dense layouts |
| Leakage current | 0.25 nA max at 85°C - preserves accuracy in high-impedance sensor interfaces |
Pinout & Package
Package: 20-pin wide-body SOIC (SO-20W), 7.62 mm × 15.49 mm footprint, 2.54 mm lead pitch, RoHS-compliant matte tin termination (-E3 suffix).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 4, 5, 8, 12, 13, 16, 19 | Switch control inputs (IN1–IN4, S1–S8) | Direct TTL/CMOS logic interface; INx selects channel pair, Sx controls individual pole |
| 2, 3, 6, 7, 10, 11, 14, 15, 17, 18 | Analog terminals (D1–D4, S1–S8) | Bidirectional signal paths; D = drain, S = source; all support ±22 V analog swing |
| 9 | GND | Logic and substrate reference; must be connected to system ground plane |
| 20 | V+ | Positive supply rail; supports 5–40 V single or +22 V dual supply |
| 15 | VL (DG333AL only) | Dedicated logic supply input - decouples digital threshold from analog rails for stable switching |
| 10 | V- | Negative supply rail; supports –4 to –22 V in dual-supply mode |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail analog signal handling | Supports signals from V– to V+ without clipping - eliminates need for external biasing in ±15 V systems |
| Break-before-make switching | Guaranteed tD ≥ 5 ns - prevents momentary short-circuit during channel transitions in multiplexer designs |
| Micro-power operation | <1 μW typical power - extends runtime in coin-cell–powered medical sensors and handheld meters |
| Low on-resistance matching | <2 Ω max mismatch between channels - maintains gain consistency across 4-channel signal routing |
| ESD tolerance | >2 kV HBM - improves robustness during PCB handling and system integration |
Applications
| Audio Switching | Portable Instrumentation |
|---|---|
Use Scenario: Routing line-level stereo signals between multiple sources (mic, DAC, Bluetooth) in a compact mixer. IC Role / Device Role / Timing Role: Quad SPDT analog switch providing isolated, low-distortion signal path selection with no DC offset. Use Value: 25 Ω RDS(on) and 80 dB crosstalk minimize inter-channel bleed; 175 ns switching enables glitch-free mute/unmute transitions. | Use Scenario: Multiplexing sensor inputs (thermocouple, RTD, strain gauge) into a shared ADC in handheld DMMs. IC Role / Device Role / Timing Role: Precision analog switch front-end ensuring signal integrity and minimizing loading effects on high-Z sensors. Use Value: 0.25 nA max leakage preserves microvolt-level accuracy; ±22 V range accommodates industrial sensor excitation voltages. |
| Test Equipment | Battery-Powered Systems |
Use Scenario: Signal path configuration in automated test fixtures requiring programmable routing of stimulus and response signals. IC Role / Device Role / Timing Role: High-reliability analog switch enabling repeatable, low-drift connections under thermal cycling. Use Value: Epitaxial latchup protection ensures immunity to transient-induced failure; 72 dB off-isolation prevents measurement contamination. | Use Scenario: Power management and signal conditioning in wearable health monitors powered by CR2032 batteries. IC Role / Device Role / Timing Role: Ultra-low-power analog switch controlling sensor activation and data acquisition sequencing. Use Value: <1 μA supply current extends operational life beyond 5 years; VL pin allows independent logic voltage scaling for lowest dynamic power. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4618ESE+ | Single-supply only (2.7–12 V); 45 Ω RDS(on); 200 ns switching | Limited to low-voltage portable gear; lacks ±22 V capability | Choose for cost-sensitive 3.3 V/5 V systems where high-voltage swing is unnecessary |
| ADG1434BRUZ | Quad SPDT, 1.5 Ω RDS(on), ±15 V rating, 165 ns switching, higher supply current (120 μA) | Better precision but higher power; requires tighter layout for thermal stability | Prefer when sub-2 Ω matching and ultra-low distortion outweigh battery-life constraints |
Compared with MAX4618ESE+ and ADG1434BRUZ, the DG333ALDW-T1-E3 uniquely balances ±22 V signal range, micro-power operation, and SOIC-20 manufacturability - making it optimal for mid-voltage, long-life instrumentation where voltage headroom and energy efficiency are co-priorities.
Availability
DG333ALDW-T1-E3 is available at Aetrix Electronics and suitable for audio switching, portable instrumentation, and test equipment requiring stable component supply across extended production lifecycles.
Supply support for DG333ALDW-T1-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 DG333A/DG333AL product line was engineered for precision analog signal routing in battery-constrained and high-voltage environments - emphasizing low leakage, rail-to-rail operation, and latchup immunity in harsh operating conditions.
FAQ
What is the maximum analog signal voltage supported by the DG333ALDW-T1-E3?
The DG333ALDW-T1-E3 supports analog signals from V– to V+, with absolute maximum ratings of ±22 V on the supply rails. Signals exceeding V+ or V– are clamped by internal diodes; forward diode current must be limited to rated values per datasheet Note a. This enables direct interfacing with ±15 V op-amp stages without external protection.
Does the DG333ALDW-T1-E3 require separate logic and analog supplies?
No - the DG333ALDW-T1-E3 operates with a single supply (5–40 V) or dual supplies (±4 to ±22 V). The DG333AL variant includes a dedicated VL pin (Pin 15) that allows independent logic-level referencing, but it is not mandatory; standard operation uses V+ and V– for both analog and digital domains.
How does the break-before-make timing work on the DG333ALDW-T1-E3?
The DG333ALDW-T1-E3 guarantees a minimum break-before-make delay (tD) of 5 ns, measured from the 50% point of the control signal transition to the 50% point of the output disconnect event. This prevents momentary shorting between normally open and normally closed paths during switching - critical for avoiding transients in sensitive analog signal chains.
Can the DG333ALDW-T1-E3 be used in unipolar 5 V systems?
Yes - the DG333ALDW-T1-E3 supports single-supply operation from 5 V to 40 V. At V+ = 5 V and V– = 0 V, it delivers 35 Ω typical on-resistance and 90 ns turn-on time. Logic thresholds remain compatible (VINH ≥ 2.4 V, VINL ≤ 0.8 V), and analog range spans 0 V to 5 V - ideal for microcontroller-based sensor multiplexing.
What is the purpose of Pin 15 (VL) on the DG333ALDW-T1-E3?
Pin 15 (VL) is exclusive to the DG333AL variant and provides a dedicated logic supply input. It allows the digital interface threshold to be set independently of the analog rails - improving noise immunity and reducing dynamic power when V+ is high (e.g., ±15 V), while maintaining clean 3.3 V or 5 V logic compatibility. DG333A omits this pin (NC).
DG333ALDW-T1-E3 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay Siliconix
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Switch Circuit:
- SPDT
- Multiplexer/Demultiplexer Circuit:
- 2:1
- Number of Circuits:
- 4
- On-State Resistance (Max):
- 45Ohm
- Channel-to-Channel Matching (ΔRon):
- 2Ohm (Max)
- Voltage - Supply, Single (V+):
- 5V ~ 40V
- Voltage - Supply, Dual (V±):
- ±4V ~ 22V
- Switch Time (Ton, Toff) (Max):
- 175ns, 145ns
- -3db Bandwidth:
- -
- Charge Injection:
- 10pC
- Channel Capacitance (CS(off), CD(off)):
- 8pF
- Current - Leakage (IS(off)) (Max):
- 250pA
- Crosstalk:
- -80dB @ 1MHz
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 20-SOIC
DG333ALDW-T1-E3 FAQ
1.How can I place an order for DG333ALDW-T1-E3 through Aetrix?
Please submit a Request for Quotation (RFQ) for DG333ALDW-T1-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 DG333ALDW-T1-E3 reliable?
The price and inventory of DG333ALDW-T1-E3 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DG333ALDW-T1-E3 is usually 5 days.
3.What payment methods are accepted for DG333ALDW-T1-E3?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DG333ALDW-T1-E3 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DG333ALDW-T1-E3?
DG333ALDW-T1-E3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DG333ALDW-T1-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 DG333ALDW-T1-E3?
For technical support, including DG333ALDW-T1-E3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DG333ALDW-T1-E3 requirements.
6.How does Aetrix verify that DG333ALDW-T1-E3 is sourced from the original manufacturer or authorized distributors?
All DG333ALDW-T1-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 DG333ALDW-T1-E3 meets industry standards.
7.What is the process for return or replacement of DG333ALDW-T1-E3?
All DG333ALDW-T1-E3 units undergo pre-shipment inspection (PSI). If there is an issue with DG333ALDW-T1-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 DG333ALDW-T1-E3 part is unused and in its original packaging.
Return procedure for DG333ALDW-T1-E3:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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