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Vishay Siliconix DG412LDJ-E3
- Part No.:
- DG412LDJ-E3
- Manufacturer:
- Vishay Siliconix
- Package:
- 16-DIP (0.300", 7.62mm)
- Datasheet:
-
DG412LDJ-E3.pdf
- Description:
- IC SWITCH SPST-NOX4 17OHM 16DIP
- Quantity:
- Payment:
- Shipping:
Inventory:2,920
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Product details
Overview
DG412LDJ-E3 from Vishay Siliconix is a precision monolithic quad SPST low-voltage CMOS analog switch with break-before-make switching action, 17 Ω typical on-resistance (RDS(on)), 19 ns turn-on time (tON), and ±3 V to ±6 V dual-supply or 2.7 V to 12 V single-supply operation - used in precision data acquisition signal routing where low distortion and high off-isolation are critical.
For engineers reviewing the DG412LDJ-E3 datasheet, DG412LDJ-E3 pinout, DG412LDJ-E3 application, or DG412LDJ-E3 equivalent, key selection considerations include its complementary logic control relative to DG411L, guaranteed 2000 V ESD protection, sub-15 nA channel leakage at 85 °C, and SOIC-16 package compatibility with industrial-grade temperature range (-40 °C to +85 °C).
Technical Context
The DG412LDJ-E3 implements four independent normally-open analog switches with inverted control logic versus DG411L (logic "0" = ON, logic "1" = OFF), enabling complementary channel pairing in multiplexer or relay-replacement designs. Its BiCMOS process ensures flat RDS(on) over the full analog signal range and supports rail-to-rail analog voltage handling up to ±5 V (dual supply) or 0–12 V (single supply).
It features TTL/CMOS-compatible digital inputs (VIL ≤ 0.8 V, VIH ≥ 2.4 V), 5 pC typical charge injection, and 71 dB off-isolation at 1 MHz - optimized for low-crosstalk audio/video routing and battery-powered instrumentation where signal integrity and power efficiency are co-constrained.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| RDS(on) | 17 Ω typical at V+ = 12 V, ensuring minimal signal attenuation and thermal drift in precision gain paths |
| tON/tOFF | 19 ns / 12 ns typical at 12 V, enabling high-speed multiplexing in >25 MSPS data acquisition systems |
| Analog Range | ±5 V (dual) or 0–12 V (single), supporting full-rail signal switching without clamping artifacts |
| Leakage Current | 0.25 nA max at 25 °C, critical for maintaining accuracy in high-impedance sensor front-ends |
| ESD Protection | 2000 V HBM, eliminating need for external transient suppression in board-level ESD-prone environments |
| Supply Range | 2.7–12 V single or ±3–±6 V dual, allowing direct interface with Li-ion, 5 V, and ±5 V legacy systems |
Pinout & Package
Package: 16-pin narrow SOIC (JEDEC MS-012), body dimensions 9.9 mm × 3.9 mm × 1.5 mm, RoHS-compliant matte tin lead finish (E3 suffix).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 5, 9, 13 (IN1–IN4) | Digital control input | Active-low logic: INx = 0 V → corresponding switch ON; enables direct microcontroller GPIO drive without level-shifting |
| 2, 6, 10, 14 (S1–S4) | Switch source terminal | Analog input node; tied to common reference in multiplexer configurations; rated for ±5 V or 0–12 V continuous |
| 3, 7, 11, 15 (D1–D4) | Switch drain terminal | Analog output node; symmetric with Sx for bidirectional signal flow; matched capacitance (CD(on) = 15 pF) minimizes timing skew |
| 4 (V+) | Positive supply rail | Accepts 2.7–12 V single or +3–+6 V dual; decoupling required within 1 cm for <10 mV switching noise |
| 8 (V−) | Negative supply rail | Required for dual-supply operation (−3 to −6 V); floats at GND in single-supply mode but must be connected |
| 12 (GND) | Analog/digital ground reference | Common return for V−, VL, and all analog signals; star-point grounding recommended for <−85 dB crosstalk |
| 16 (VL) | Logic supply reference | Accepts 3–5 V to set input threshold; decoupled separately from V+ to prevent digital noise coupling into analog path |
Key Features
| Feature | Design Value |
|---|---|
| Break-before-make switching | Guaranteed 6 ns minimum tD prevents momentary shorting in multi-channel routing, essential for avoiding signal glitches in mixed-signal FPGA I/O banks |
| Flat RDS(on) vs. voltage | ≤5 Ω variation across full analog range, enabling <0.01% gain error in 16-bit precision measurement front-ends |
| Low charge injection | 5 pC typical, limiting voltage step errors to <500 µV on 10 nF sampling capacitors - sufficient for 14-bit ADC sample-and-hold |
| High off-isolation | 71 dB at 1 MHz, suppressing >99.9% of coupled noise between adjacent channels in dense PCB layouts |
| TTL/CMOS compatibility | VIL ≤ 0.8 V / VIH ≥ 2.4 V thresholds allow direct interfacing with 3.3 V and 5 V microcontrollers without external buffers |
Applications
| Precision Data Acquisition | Audio Signal Routing |
|---|---|
Use Scenario: Multiplexing 16-channel thermocouple inputs into a 24-bit sigma-delta ADC with cold-junction compensation. IC Role / Device Role / Timing Role: Quad SPST switch isolating each sensor path during sampling; break-before-make prevents cross-talk-induced offset shifts. Use Value: 0.25 nA leakage ensures <1 LSB error over 20-year calibration interval; 17 Ω RDS(on) avoids gain drift in programmable-gain amplifier stages. | Use Scenario: Routing line-level stereo signals between multiple sources (DAC, Bluetooth module, aux input) and headphone/line-out amplifiers. IC Role / Device Role / Timing Role: Bidirectional analog switch providing mute-free channel selection with <19 ns transition to eliminate pop/click artifacts. Use Value: 71 dB off-isolation eliminates audible crosstalk between left/right channels; 5 pC charge injection prevents DC offset jumps at amplifier inputs. |
| Battery-Powered Instrumentation | Communication System Front-End |
Use Scenario: Portable pH meter with auto-ranging electrode input and LCD display powered by two AA cells (3 V nominal). IC Role / Device Role / Timing Role: Low-voltage analog switch enabling signal path reconfiguration between high-impedance probe buffer and calibration reference. Use Value: Operates down to 2.7 V supply with only 65 Ω RDS(on), preserving SNR in 3 V rail-limited designs; 1 µA max I+ extends battery life beyond 12 months. | Use Scenario: SDSL/DSLAM line card requiring analog signal conditioning before ADSL transceiver ICs. IC Role / Device Role / Timing Role: Precision switch selecting between primary and redundant line drivers while maintaining impedance-matched 50 Ω paths. Use Value: 280 MHz −3 dB bandwidth supports full DSL spectral content; 95 dB crosstalk rejection prevents upstream/downstream signal interference. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4612ESE+ | Higher RDS(on) (45 Ω typ), slower tON (45 ns), no break-before-make guarantee | Less suitable for high-speed multiplexing; requires external ESD protection | Select when cost sensitivity outweighs speed/leakage requirements and layout space permits discrete ESD diodes |
| ADG1412BRUZ | Lower RDS(on) (1.3 Ω typ), higher supply voltage (up to ±15 V), 40 V ESD rating | Over-specified for 12 V systems; larger TSSOP-16 footprint increases PCB area | Select for ultra-low distortion in test equipment where 1.3 Ω RDS(on) justifies premium cost and layout revision |
Compared with MAX4612ESE+ and ADG1412BRUZ, the DG412LDJ-E3 delivers optimal balance of speed, leakage, and integration for industrial data acquisition - offering verified 19 ns switching with built-in 2000 V ESD protection in a standard SOIC-16 footprint, whereas alternatives trade off either performance headroom or system-level BOM simplicity.
Availability
DG412LDJ-E3 is available at Aetrix Electronics and suitable for precision data acquisition, audio routing, battery-powered instrumentation, and communication system front-end designs requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for DG412LDJ-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 MOSFETs, diodes, optoelectronics, and precision analog switches - with vertical integration from silicon wafer fabrication to final test.
The DG412LDJ-E3 belongs to the DG41xL family of low-voltage CMOS analog switches designed specifically for high-fidelity signal routing in test equipment, medical devices, and industrial control systems where rail-to-rail operation and low distortion are mandatory.
FAQ
What is the maximum analog signal voltage range supported by the DG412LDJ-E3?
The DG412LDJ-E3 supports an analog signal range of ±5 V under dual-supply operation (V+ = +5 V, V− = −5 V) or 0–12 V under single-supply operation (V+ = 12 V, V− = GND). Signals exceeding these limits are clamped by internal diodes, so design margins must ensure VS and VD stay within (V− − 0.3 V) to (V+ + 0.3 V) to avoid forward conduction and current limiting.
How does the DG412LDJ-E3 differ from the DG411LDJ-E3 in control logic?
The DG412LDJ-E3 uses inverted control logic versus the DG411LDJ-E3: for DG412LDJ-E3, a logic low (≤0.8 V) on INx turns the corresponding switch ON, while a logic high (≥2.4 V) turns it OFF. In contrast, DG411LDJ-E3 activates ON with logic high. This complementary behavior allows paired use in differential or redundancy-switching topologies without external inverters.
Is the DG412LDJ-E3 pin-compatible with the legacy DG412 device?
Yes, the DG412LDJ-E3 is pin-for-pin compatible with the industry-standard DG412, as confirmed in the Vishay datasheet (Document Number: 71397, Rev. F). It retains identical SOIC-16 pinout, electrical ratings, and functional block diagram - while delivering improved RDS(on), faster switching, and enhanced ESD robustness via BiCMOS process technology.
What is the thermal derating requirement for the DG412LDJ-E3 in SOIC package?
For the DG412LDJ-E3 in 16-pin narrow SOIC (DY suffix), power dissipation must be derated by 7 mW/°C above +75 °C ambient, per datasheet Note c. At +105 °C ambient, maximum allowable power drops from 650 mW (at +75 °C) to 440 mW - requiring careful thermal layout (e.g., 2 oz copper, thermal vias under exposed pad if present) in high-density industrial applications.
Does the DG412LDJ-E3 require a separate logic supply (VL) when using 3.3 V microcontroller GPIOs?
Yes, VL must be connected to the same 3.3 V rail as the microcontroller's I/O supply to establish correct input thresholds (VIL ≤ 0.8 V, VIH ≥ 2.4 V). Leaving VL unconnected or tying it to V+ causes undefined logic behavior. The VL pin draws only 1 µA, so a simple 0.1 µF ceramic capacitor to GND suffices for noise immunity.
DG412LDJ-E3 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay Siliconix
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Obsolete
- Switch Circuit:
- SPST - NO
- Multiplexer/Demultiplexer Circuit:
- 1:1
- Number of Circuits:
- 4
- On-State Resistance (Max):
- 17Ohm
- Channel-to-Channel Matching (ΔRon):
- -
- Voltage - Supply, Single (V+):
- 2.7V ~ 12V
- Voltage - Supply, Dual (V±):
- ±3V ~ 6V
- Switch Time (Ton, Toff) (Max):
- 19ns, 12ns
- -3db Bandwidth:
- 280MHz
- Charge Injection:
- 5pC
- Channel Capacitance (CS(off), CD(off)):
- 5pF, 6pF
- Current - Leakage (IS(off)) (Max):
- 250pA
- Crosstalk:
- -95dB @ 1MHz
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 16-PDIP
DG412LDJ-E3 FAQ
1.How can I place an order for DG412LDJ-E3 through Aetrix?
Please submit a Request for Quotation (RFQ) for DG412LDJ-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 DG412LDJ-E3 reliable?
The price and inventory of DG412LDJ-E3 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DG412LDJ-E3 is usually 5 days.
3.What payment methods are accepted for DG412LDJ-E3?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DG412LDJ-E3 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DG412LDJ-E3?
DG412LDJ-E3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DG412LDJ-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 DG412LDJ-E3?
For technical support, including DG412LDJ-E3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DG412LDJ-E3 requirements.
6.How does Aetrix verify that DG412LDJ-E3 is sourced from the original manufacturer or authorized distributors?
All DG412LDJ-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 DG412LDJ-E3 meets industry standards.
7.What is the process for return or replacement of DG412LDJ-E3?
All DG412LDJ-E3 units undergo pre-shipment inspection (PSI). If there is an issue with DG412LDJ-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 DG412LDJ-E3 part is unused and in its original packaging.
Return procedure for DG412LDJ-E3:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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