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Vishay Siliconix DG405BDY-T1
- Part No.:
- DG405BDY-T1
- Manufacturer:
- Vishay Siliconix
- Package:
- 16-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
DG405BDY-T1.pdf
- Description:
- IC SWITCH SPST-NOX4 45OHM 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,593
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Product details
Overview
DG405BDY-T1 from Vishay Siliconix is a low-power, high-speed CMOS analog switch with four SPST switches arranged in two independent pairs, rated for ±15 V analog signal range, 23 Ω typical on-resistance, 100 ns turn-on time, and 44 V max supply rating - used in stereo source selection, dual-slope integrators, and test equipment signal routing.
For engineers reviewing the DG405BDY-T1 datasheet, DG405BDY-T1 pinout, DG405BDY-T1 application, or DG405BDY-T1 equivalent, key selection criteria include break-before-make timing (not applicable to DG405B), single/dual-supply operation, leakage current below 1 nA at 85 °C, and SOIC-16 package compatibility with tape-and-reel automated assembly.
Technical Context
The DG405BDY-T1 implements two independent SPST switch pairs, each controlled by a dedicated digital input (IN1, IN2), with no internal break-before-make logic - unlike the DG403B variant. Each channel conducts bidirectionally with flat on-resistance over ±15 V analog range and supports rail-to-rail analog signals up to 30 V peak-to-peak when off.
It operates from dual supplies (±15 V typical) or single supply (up to 44 V), features TTL/CMOS-compatible inputs (0.8 V low / 2.4 V high thresholds), and uses Vishay's high-voltage silicon-gate process to achieve low charge injection (60 pC) and high off-isolation (–81.7 dB at 1 MHz).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Analog Signal Range | ±15 V - supports full-range audio, video, and instrumentation signals without clipping |
| On-Resistance (RDS(on)) | 23 Ω typ - ensures minimal signal attenuation and gain error in precision signal paths |
| Turn-On Time (tON) | 100 ns typ - enables reliable switching at >1 MHz control rates in sampled systems |
| Channel Leakage (ID(on)) | ±10 nA max at 85 °C - preserves accuracy in high-impedance sample-and-hold or sensor interfaces |
| Supply Voltage Range | ±15 V dual or 44 V single - allows flexible power architecture in mixed-signal industrial designs |
| Off-Isolation (OIRR) | –81.7 dB at 1 MHz - suppresses crosstalk between active and inactive channels in multiplexed systems |
| Charge Injection | 60 pC - limits voltage glitch on hold capacitors in precision ADC front-ends |
Pinout & Package
Package: 16-pin narrow SOIC (JEDEC MS-012), 3.9 × 9.9 mm body, 1.27 mm pitch, tape-and-reel format (T1 suffix).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 3, 14, 16 | Switch Drain (D1–D4) | Analog input/output terminals; bidirectional conduction when switch is ON |
| 2, 4, 13, 15 | Switch Source (S1–S4) | Analog return path; electrically equivalent to drain when ON, isolated when OFF |
| 5, 12 | Digital Control Input (IN1, IN2) | TTL/CMOS-compatible logic inputs; high = ON, low = OFF per switch pair |
| 6, 11 | Positive Supply (V+) | Connects to positive rail; supports up to +44 V in single-supply mode |
| 7, 10 | Negative Supply (V−) | Connects to negative rail; required for bipolar operation down to –44 V relative to V+ |
| 8, 9 | Ground (GND) | Logic reference and substrate tie; must be connected even in dual-supply configuration |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional analog conduction | Enables use in both signal injection and sensing paths without polarity constraints |
| Rail-to-rail analog blocking | Withstands ±15.5 V off-state differential voltage - prevents latch-up in overvoltage fault conditions |
| Low 60 pC charge injection | Reduces settling error in capacitor-based circuits like sample-and-hold and switched-capacitor filters |
| Flat RDS(on) vs. analog voltage | Maintains consistent gain and linearity across full ±15 V input range - critical for audio fidelity |
| Single- or dual-supply operation | Eliminates need for separate logic and analog rails in battery-powered portable instrumentation |
Applications
| Stereo Audio Source Selector | Dual-Slope Integrator |
|---|---|
Use Scenario: Routing left/right audio channels from multiple sources (e.g., CD, Bluetooth, AUX) to a common amplifier stage in consumer AV receivers. IC Role / Device Role / Timing Role: DG405BDY-T1 acts as a low-distortion, low-crosstalk analog multiplexer - one pair selects left channel, the other right channel, under independent TTL control. Use Value: 23 Ω on-resistance and –94.8 dB crosstalk preserve stereo separation and dynamic range without requiring external buffering. | Use Scenario: Precision analog-to-digital conversion in multimeter or data acquisition systems using dual-slope integration architecture. IC Role / Device Role / Timing Role: DG405BDY-T1 configures capacitor charging/discharging paths - one pair connects input voltage to integrator, the other selects reference polarity during reset phase. Use Value: <1 nA channel leakage at 85 °C prevents capacitor discharge drift, ensuring <0.1% integral nonlinearity over temperature. |
| Automated Test Equipment (ATE) Signal Routing | Video Signal Switching |
Use Scenario: Multiplexing DUT stimulus and response signals across multiple test channels in benchtop or rack-mounted ATE platforms. IC Role / Device Role / Timing Role: DG405BDY-T1 serves as a reconfigurable signal path selector - isolating measurement nodes during calibration and connecting test vectors during execution. Use Value: 100 ns switching speed supports >1 MHz test pattern rates; –81.7 dB off-isolation prevents false triggering from adjacent channel noise. | Use Scenario: Switching composite or component video signals (e.g., CVBS, YPbPr) between camera inputs and display outputs in security DVRs or broadcast monitors. IC Role / Device Role / Timing Role: DG405BDY-T1 functions as a low-glitch video switch - passing baseband analog video with minimal rise-time degradation and DC offset shift. Use Value: Flat 23 Ω on-resistance across ±1 V video swing maintains gamma accuracy; 12 pF off-capacitance minimizes high-frequency roll-off above 10 MHz. |
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 (1.8–12 V); 60 Ω RDS(on); 35 ns tON; 16-pin SOIC | Optimized for low-voltage portable systems; not suitable for ±15 V signal handling | Select when operating from 3.3 V or 5 V rails and analog range ≤ ±5 V |
| ADG1419BRUZ | Dual SPDT configuration; 1.5 Ω RDS(on); ±15 V rating; 24-pin TSSOP; higher cost | Provides break-before-make; better for relay-replacement in high-precision DAC output switching | Select when guaranteed break-before-make timing and sub-2 Ω on-resistance are required |
Compared with MAX4617ESE+ and ADG1419BRUZ, the DG405BDY-T1 offers balanced performance for ±15 V bipolar signal routing with moderate on-resistance and proven reliability in industrial test and audio infrastructure - without requiring layout changes for SOIC-16 footprint.
Availability
DG405BDY-T1 is available at Aetrix Electronics and suitable for stereo audio routing, dual-slope integrators, and automated test equipment requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.
Supply support for DG405BDY-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 components, analog switches, and power management devices with emphasis on high-voltage robustness and precision analog performance.
The DG405BDY-T1 belongs to the DG40xB family of high-speed CMOS analog switches designed for precision signal routing in test instrumentation, audio/video systems, and industrial control where rail-to-rail analog handling and low leakage are essential.
FAQ
What is the maximum analog signal voltage the DG405BDY-T1 can handle?
The DG405BDY-T1 supports an analog signal range of ±15 V, with guaranteed blocking up to ±15.5 V peak-to-peak when the switch is off. This allows safe operation with standard industrial ±12 V and ±15 V signal levels without external clamping diodes, provided supply rails (V+ and V−) are set accordingly per the absolute maximum ratings table.
Does the DG405BDY-T1 support single-supply operation?
Yes, the DG405BDY-T1 supports single-supply operation up to 44 V between V+ and V− pins. In this mode, V− is tied to ground or a negative reference, and analog signals must remain within 0 V to V+ − 0.3 V. The device retains TTL/CMOS-compatible logic thresholds and full analog range functionality as long as the supply compliance and signal clamping limits are observed.
How many independent switches does the DG405BDY-T1 contain?
The DG405BDY-T1 contains four independent SPST analog switches grouped into two pairs: D1/S1 and D2/S2 are controlled by IN1; D3/S3 and D4/S4 are controlled by IN2. Unlike the DG403B, it does not implement break-before-make timing - each pair switches synchronously with its respective control input.
What is the on-resistance flatness specification for DG405BDY-T1 over its analog range?
The DG405BDY-T1 exhibits flat on-resistance across its full ±15 V analog range, with ΔRDS(on) specified at 3 Ω max (typical 0.72 Ω) when VD varies from –5 V to +5 V at V+ = ±16.5 V. This flatness ensures minimal harmonic distortion and gain variation in audio and precision measurement applications.
Is DG405BDY-T1 pin-compatible with older DG405 variants?
Yes, DG405BDY-T1 is pin-compatible with DG405BDY and DG405BDJ variants in the same SOIC-16 or PDIP-16 packages. The -T1 suffix denotes tape-and-reel packaging; electrical and thermal specifications are identical. No PCB layout changes are required when upgrading from legacy DG405B parts to DG405BDY-T1.
DG405BDY-T1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay Siliconix
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Switch Circuit:
- SPST - NO
- Multiplexer/Demultiplexer Circuit:
- 1:1
- Number of Circuits:
- 4
- On-State Resistance (Max):
- 45Ohm
- Channel-to-Channel Matching (ΔRon):
- -
- Voltage - Supply, Single (V+):
- 13V ~ 36V
- Voltage - Supply, Dual (V±):
- ±7V ~ 22V
- Switch Time (Ton, Toff) (Max):
- 150ns, 100ns
- -3db Bandwidth:
- -
- Charge Injection:
- 60pC
- Channel Capacitance (CS(off), CD(off)):
- 12pF, 12pF
- Current - Leakage (IS(off)) (Max):
- 500pA
- Crosstalk:
- -94.8dB @ 1MHz
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SOIC
DG405BDY-T1 FAQ
1.How can I place an order for DG405BDY-T1 through Aetrix?
Please submit a Request for Quotation (RFQ) for DG405BDY-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 DG405BDY-T1 reliable?
The price and inventory of DG405BDY-T1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DG405BDY-T1 is usually 5 days.
3.What payment methods are accepted for DG405BDY-T1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DG405BDY-T1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DG405BDY-T1?
DG405BDY-T1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DG405BDY-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 DG405BDY-T1?
For technical support, including DG405BDY-T1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DG405BDY-T1 requirements.
6.How does Aetrix verify that DG405BDY-T1 is sourced from the original manufacturer or authorized distributors?
All DG405BDY-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 DG405BDY-T1 meets industry standards.
7.What is the process for return or replacement of DG405BDY-T1?
All DG405BDY-T1 units undergo pre-shipment inspection (PSI). If there is an issue with DG405BDY-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 DG405BDY-T1 part is unused and in its original packaging.
Return procedure for DG405BDY-T1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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