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Vishay Siliconix DG1412EEQ-T1-GE4
- Part No.:
- DG1412EEQ-T1-GE4
- Manufacturer:
- Vishay Siliconix
- Package:
- 16-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
DG1412EEQ-T1-GE4.pdf
- Description:
- IC SW SPST-NOX4 1.5OHM 16TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:9,561
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Product details
Overview
DG1412EEQ-T1-GE4 from Vishay Siliconix is a quad SPST analog switch with normally open (NO) configuration, designed for precision signal routing in ±15 V, ±5 V, and +12 V dual/single-supply systems. It delivers 1.5 Ω typical on-resistance, 70 ns turn-on time, rail-to-rail analog signal handling, and operates across –40 °C to +125 °C in TSSOP-16 packaging - ideal for medical instrumentation and automated test equipment.
For engineers reviewing the DG1412EEQ-T1-GE4 datasheet, DG1412EEQ-T1-GE4 pinout, DG1412EEQ-T1-GE4 application, or DG1412EEQ-T1-GE4 equivalent, key selection criteria include verified NO logic polarity, guaranteed break-before-make timing, low charge injection (–41 pC), flat on-resistance (0.2 Ω max flatness), and compatibility with 3 V logic inputs without VL supply.
Technical Context
The DG1412EEQ-T1-GE4 uses a high-voltage CMOS process enabling operation from ±4.5 V to ±16.5 V dual supplies or +4.5 V to +24 V single supply. Its four independent switches feature matched on-resistance (ΔRDS(on) ≤ 0.24 Ω) and low parasitic capacitance (CD(ON) = 87 pF, CS(OFF) = 24 pF), supporting high-fidelity signal integrity in multiplexed data acquisition paths.
Logic control uses standard TTL/CMOS thresholds (VINH ≥ 2 V, VINL ≤ 0.8 V) with no separate VL supply required. The device supports bidirectional analog signal flow up to supply rails and guarantees break-before-make switching - critical for preventing momentary shorts in relay-replacement applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On-resistance | 1.5 Ω typ. at ±15 V - ensures minimal insertion loss and signal attenuation in precision analog paths |
| On-resistance flatness | 0.2 Ω max. over full signal range - preserves linearity and low THD (0.0039 %) in audio and instrumentation |
| Turn-on time | 70 ns typ. at ±15 V - enables fast channel switching in high-speed data acquisition systems |
| Supply range | ±4.5 V to ±16.5 V dual or +4.5 V to +24 V single - supports industrial and medical systems with varied rail architectures |
| Charge injection | –41 pC typ. - minimizes voltage glitch in sample-and-hold and ADC front-end circuits |
| Off isolation | –78 dB typ. at 100 kHz - provides strong channel-to-channel signal blocking in multi-channel monitoring |
| Logic compatibility | 0.8 V / 2 V thresholds - interoperates directly with 3 V microcontrollers and FPGAs without level shifting |
Pinout & Package
TSSOP-16 package (5.0 mm × 6.4 mm × 1.05 mm height), RoHS-compliant and halogen-free, with exposed pad not connected (N.C.) per functional diagram.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 3, 4 (IN1–IN4) | Digital control input | Active-high logic: logic '1' closes switch (NO function); compatible with 3 V logic without pull-ups |
| 5, 7, 10, 12 (S1–S4) | Analog source terminal | Input side of each SPST switch; accepts rail-to-rail analog signals from V− to V+ |
| 6, 8, 11, 13 (D1–D4) | Analog drain terminal | Output side of each SPST switch; bidirectional signal path when closed |
| 9 | GND | Ground reference for digital logic and substrate; must be low-impedance for noise immunity |
| 14 | V− | Negative supply rail; tied to exposed pad in QFN variant but N.C. in TSSOP-16 per datasheet |
| 15 | V+ | Positive supply rail; supports up to +24 V single or ±16.5 V dual operation |
| 16 | N.C. | No internal connection; left floating or grounded per layout best practice |
Key Features
| Feature | Design Value |
|---|---|
| Normally open (NO) configuration | Ensures default-open safety state - critical for fail-safe signal routing in medical diagnostics |
| Rail-to-rail analog signal handling | Supports full dynamic range from V− to V+ without clipping - essential for ±10 V sensor interfaces |
| Break-before-make switching | Guaranteed tOPEN ≥ 10 ns prevents short-circuit transients during channel changeover |
| Low charge injection (–41 pC) | Reduces hold-step error in precision sample-and-hold circuits and SAR ADC drivers |
| No VL logic supply required | Simplifies power architecture by eliminating auxiliary logic rail - reduces BOM count and layout complexity |
Applications
| Medical Instrumentation | Data Acquisition Systems |
|---|---|
Use Scenario: Signal routing in multi-channel ECG/EEG front-ends where electrode inputs are sequentially sampled. IC Role / Device Role / Timing Role: Quad SPST NO switch selecting analog sensor paths to a shared ADC; controlled by microcontroller GPIOs. Use Value: 1.5 Ω on-resistance and 0.2 Ω flatness preserve signal fidelity across all channels; –41 pC charge injection prevents baseline drift in DC-coupled amplifiers. | Use Scenario: Multiplexing thermocouple, RTD, and voltage inputs in industrial PLC analog input modules. IC Role / Device Role / Timing Role: Precision analog switch isolating sensor signals before programmable gain amplifier (PGA) stage. Use Value: ±15 V dual-supply operation matches industrial sensor excitation rails; –78 dB off-isolation prevents crosstalk between high-impedance sensor channels. |
| Automated Test Equipment | Audio/Video Signal Switching |
Use Scenario: Relay replacement in PXI-based functional test systems requiring >1M cycle life and sub-100 ns settling. IC Role / Device Role / Timing Role: High-speed channel selector routing DUT signals to measurement instruments (DMM, scope). Use Value: 70 ns tON enables rapid test sequencing; 150 MHz bandwidth supports wideband signal integrity verification. | Use Scenario: Source selection in professional AV matrix switchers handling line-level analog audio and composite video. IC Role / Device Role / Timing Role: Bidirectional analog switch routing unbalanced audio/video signals between sources and outputs. Use Value: Rail-to-rail operation handles ±2 V audio peaks and 1 Vpp video sync; <–104 dB crosstalk eliminates audible/visible interference between channels. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADG1412BRUZ | 1.8 Ω RDS(on) max., 100 ns tON, SOIC-16 package, requires VL supply | Higher on-resistance and slower switching limit use in high-precision, high-speed DAQ | Select DG1412EEQ-T1-GE4 for lower distortion and faster settling; ADG1412BRUZ only if VL rail already present |
| MAX4617ESE+ | 3.5 Ω RDS(on), ±15 V rated, 125 ns tON, SOIC-16, no VL required | Higher on-resistance increases insertion loss; unsuitable for low-level sensor signals | DG1412EEQ-T1-GE4 preferred for medical-grade linearity; MAX4617ESE+ acceptable only in cost-sensitive, non-precision contexts |
Compared with ADG1412BRUZ and MAX4617ESE+, DG1412EEQ-T1-GE4 offers superior on-resistance flatness (0.2 Ω vs. ≥0.6 Ω), lower charge injection (–41 pC vs. ≥–80 pC), and guaranteed break-before-make - making it the optimal choice for high-fidelity, safety-critical analog routing.
Availability
DG1412EEQ-T1-GE4 is available at Aetrix Electronics and suitable for medical instrumentation, industrial data acquisition, and automated test equipment requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.
Supply support for DG1412EEQ-T1-GE4 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 designs high-performance analog and discrete semiconductors, emphasizing precision, reliability, and high-voltage capability for demanding industrial and medical applications.
The DG1412EEQ-T1-GE4 belongs to Vishay's DG14xxE family of precision CMOS analog switches, engineered specifically for low-distortion, rail-to-rail signal routing in data acquisition, test equipment, and healthcare systems.
FAQ
What is the logic polarity of DG1412EEQ-T1-GE4?
The DG1412EEQ-T1-GE4 implements normally open (NO) logic polarity: a logic high (≥2 V) on IN1–IN4 closes the corresponding SPST switch, while logic low (≤0.8 V) keeps it open. This behavior is confirmed in the truth table on page 2 of Vishay document 75104 and applies identically to DG1412EEQ-T1-GE4 in TSSOP-16 packaging.
Does DG1412EEQ-T1-GE4 require a separate VL logic supply?
No, DG1412EEQ-T1-GE4 does not require a VL supply. Its digital inputs operate directly from the main V+ rail with TTL/CMOS-compatible thresholds (VINH ≥ 2 V, VINL ≤ 0.8 V), simplifying power design. This is explicitly stated in the "DESCRIPTION" section of the DG1412E datasheet (Rev. E, p.1) and verified across all supply configurations tested for DG1412EEQ-T1-GE4.
What is the maximum analog signal voltage supported by DG1412EEQ-T1-GE4?
DG1412EEQ-T1-GE4 supports rail-to-rail analog signals from V− to V+. With ±15 V supplies, this means ±15 V; with +12 V single supply, it handles 0 V to +12 V. Absolute maximum analog input is (V− − 0.3 V) to (V+ + 0.3 V), per Absolute Maximum Ratings (p.3). Exceeding these violates safe operating area.
Can DG1412EEQ-T1-GE4 be used in battery-powered systems?
Yes, DG1412EEQ-T1-GE4 supports single-supply operation down to +4.5 V, making it suitable for 5 V or higher battery-powered systems. Quiescent current is ≤1 μA per supply rail under static conditions, and its low on-resistance (1.5 Ω) minimizes I²R losses. The device is explicitly listed in the "APPLICATIONS" section (p.1) for battery-powered systems.
Is thermal performance different between TSSOP-16 and QFN-16 packages for DG1412EEQ-T1-GE4?
Yes - the TSSOP-16 package has a thermal resistance (θJA) of 130 °C/W, while the QFN-16 variant is rated at 32 °C/W. DG1412EEQ-T1-GE4 uses TSSOP-16, so its junction temperature rise under load is significantly higher. For continuous 250 mA switching, derating is required above ~60 °C ambient; full 190 mA rating applies only at TA = 25 °C per Absolute Maximum Ratings (p.3).
DG1412EEQ-T1-GE4 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay Siliconix
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Switch Circuit:
- SPST - NO
- Multiplexer/Demultiplexer Circuit:
- 1:1
- Number of Circuits:
- 4
- On-State Resistance (Max):
- 1.5Ohm
- Channel-to-Channel Matching (ΔRon):
- 40mOhm
- Voltage - Supply, Single (V+):
- 4.5V ~ 24V
- Voltage - Supply, Dual (V±):
- ±4.5V ~ 15V
- Switch Time (Ton, Toff) (Max):
- 140ns, 110ns
- -3db Bandwidth:
- 150MHz
- Charge Injection:
- -41pC
- Channel Capacitance (CS(off), CD(off)):
- 24pF, 23pF
- Current - Leakage (IS(off)) (Max):
- 500pA
- Crosstalk:
- -104dB @ 1MHz
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-TSSOP
DG1412EEQ-T1-GE4 FAQ
1.How can I place an order for DG1412EEQ-T1-GE4 through Aetrix?
Please submit a Request for Quotation (RFQ) for DG1412EEQ-T1-GE4 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 DG1412EEQ-T1-GE4 reliable?
The price and inventory of DG1412EEQ-T1-GE4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DG1412EEQ-T1-GE4 is usually 5 days.
3.What payment methods are accepted for DG1412EEQ-T1-GE4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DG1412EEQ-T1-GE4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DG1412EEQ-T1-GE4?
DG1412EEQ-T1-GE4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DG1412EEQ-T1-GE4 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 DG1412EEQ-T1-GE4?
For technical support, including DG1412EEQ-T1-GE4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DG1412EEQ-T1-GE4 requirements.
6.How does Aetrix verify that DG1412EEQ-T1-GE4 is sourced from the original manufacturer or authorized distributors?
All DG1412EEQ-T1-GE4 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 DG1412EEQ-T1-GE4 meets industry standards.
7.What is the process for return or replacement of DG1412EEQ-T1-GE4?
All DG1412EEQ-T1-GE4 units undergo pre-shipment inspection (PSI). If there is an issue with DG1412EEQ-T1-GE4, 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 DG1412EEQ-T1-GE4 part is unused and in its original packaging.
Return procedure for DG1412EEQ-T1-GE4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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