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Vishay Siliconix DG408DY
- Part No.:
- DG408DY
- Manufacturer:
- Vishay Siliconix
- Package:
- 16-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
DG408DY.pdf
- Description:
- IC MUX 8:1 100OHM 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:4,419
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Product details
Overview
DG408DY from Vishay Siliconix is an 8-channel single-ended CMOS analog multiplexer with TTL-compatible control logic, 100 Ω on-resistance, 160 ns transition time, and ±5 V to ±20 V dual-supply or +5 V to +36 V single-supply operation. It routes one of eight analog inputs to a common output in data acquisition, audio switching, and ATE systems.
For engineers reviewing the DG408DY datasheet, DG408DY pinout, DG408DY application, or DG408DY equivalent, this page delivers verified specifications, SOIC-16 package details, break-before-make timing, charge injection (20 pC), and real-world design context for signal routing in battery-powered and industrial instrumentation.
Technical Context
The DG408DY implements a silicon-gate CMOS architecture with epitaxial latchup protection and 44 V absolute maximum supply rating. Its decoder-driven switch array supports 3-bit binary address decoding (A0–A2) and global enable (EN) for stacking multiple devices.
Break-before-make switching prevents crosstalk between adjacent channels, while rail-to-rail analog signal handling (±15 V) and low off-leakage (<5 nA at full temperature range) ensure integrity in precision signal paths. All digital inputs meet TTL voltage thresholds (VIH ≥ 2.4 V, VIL ≤ 0.8 V) across –40 °C to +85 °C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On-resistance | 100 Ω max - ensures minimal signal attenuation and voltage drop in analog paths up to ±10 V. |
| Transition time | 160 ns typical - enables high-speed channel switching in data acquisition at >1 MHz sampling rates. |
| Charge injection | 20 pC typical - limits voltage glitch on sampled nodes, critical for ADC front-end accuracy. |
| Supply range | +5 V to +36 V single or ±5 V to ±20 V dual - supports wide-range industrial and battery-operated designs. |
| Off leakage current | ±5 nA max over full temperature - preserves signal integrity in high-impedance sensor interfaces. |
| Enable turn-on time | 115 ns typical - allows fast system-level multiplexer activation synchronized with control logic. |
| Input capacitance | 8 pF typical - minimizes loading on driving sources and maintains bandwidth in AC-coupled paths. |
Pinout & Package
DG408DY is supplied in a 16-pin narrow SOIC package (JEDEC MS-012, 3.90 mm width), with 1.27 mm pitch, 10.0 mm × 4.0 mm body, and lead-free RoHS-compliant finish per -E3 suffix.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 3, 4, 5, 6, 7, 8 | S1–S8 Analog Inputs | Eight independent single-ended analog input terminals; each bidirectionally conducts when selected. |
| 9 | D Analog Output | Common drain/output node; connects to selected Sx channel during active state. |
| 10 | EN Enable | Active-high global disable; sets all switches to OFF state when low, enabling multi-device stacking. |
| 11, 12, 13 | A0, A1, A2 Address | 3-bit binary input controlling channel selection (0–7); TTL-compatible with full temperature range. |
| 14 | V− Negative Supply | Negative rail connection; supports dual-supply operation down to –20 V (absolute max –25 V). |
| 15 | GND Ground | Logic reference and substrate tie; required even in single-supply mode where V− = GND. |
| 16 | V+ Positive Supply | Positive rail connection; rated up to +44 V absolute maximum, supports +36 V operating max. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail analog signal range | Supports input/output signals from V− to V+, enabling full utilization of ±15 V supplies without clipping. |
| Break-before-make switching | Guaranteed tOPEN ≥ 10 ns prevents momentary shorting between adjacent channels during address changes. |
| Single-supply capability | Operates from +5 V to +36 V with V− tied to GND - eliminates need for negative rail in portable instrumentation. |
| Latchup immunity | Epitaxial layer construction prevents destructive latchup under transient overvoltage or supply sequencing stress. |
| TTL-compatible inputs | Valid logic levels (0.8 V/2.4 V thresholds) across –40 °C to +85 °C - simplifies interface with microcontrollers and FPGAs. |
Applications
| Data Acquisition Systems | Audio Signal Routing |
|---|---|
Use Scenario: Multiplexing outputs from 8 temperature sensors into a single ADC channel for periodic scanning. IC Role / Device Role / Timing Role: Analog switch providing low-distortion, low-leakage path selection with <160 ns channel settling. Use Value: Enables cost-effective 8:1 analog front-end without external buffering; 100 Ω RDS(on) minimizes gain error in ratiometric measurements. |
Use Scenario: Selecting one of eight line-level audio inputs for routing to a shared amplifier or codec. IC Role / Device Role / Timing Role: Bidirectional analog switch handling AC-coupled ±2 V signals with <20 pC charge injection. Use Value: Prevents audible pop/click during switching; low off-capacitance (26 pF CD(off)) preserves high-frequency response. |
| ATE Test Equipment | Battery-Powered Instrumentation |
Use Scenario: Configuring stimulus/sense paths across multiple DUTs using programmable address lines and EN stacking. IC Role / Device Role / Timing Role: High-reliability multiplexer with 44 V abs-max rating tolerating test fixture transients. Use Value: Eliminates need for external clamping diodes; break-before-make action prevents cross-DUT signal coupling. |
Use Scenario: Low-power sensor hub in handheld multimeter or portable oscilloscope front-end. IC Role / Device Role / Timing Role: Ultra-low quiescent current (10 μA ISUPPLY) switch enabling >1-year battery life in sleep mode. Use Value: Reduces system standby power by >95% vs. discrete MOSFET solutions; single +9 V supply operation simplifies PMIC design. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4051ACPE+ | 8:1 single-ended, 125 Ω RDS(on), 200 ns tTRANS, ±15 V max, 2.7 V to 16 V supply | Higher on-resistance and slower switching; requires tighter supply regulation | Preferred where lower cost and pin compatibility with legacy MAXIM designs outweigh speed/resistance trade-offs |
| ADG1408BRUZ | 8:1 single-ended, 4.7 Ω RDS(on), 120 ns tTRANS, ±15 V supply, 12 V single-supply capable | Lower on-resistance and faster switching but higher supply current (200 μA) and no single-supply below 12 V | Selected when ultra-low distortion and sub-100 ns settling are mandatory, and power budget permits higher ISUPPLY |
Compared with MAX4051ACPE+ and ADG1408BRUZ, DG408DY offers the best balance of low power (10 μA), robust 44 V abs-max rating, and proven reliability in extended-temperature industrial environments - making it optimal for cost-sensitive, battery-aware, or high-voltage-tolerant designs where moderate RDS(on) is acceptable.
Availability
DG408DY is available at Aetrix Electronics and suitable for data acquisition systems, audio routing hardware, and automated test equipment requiring stable component supply with long-term manufacturability and RoHS-compliant sourcing.
Supply support for DG408DY 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 leadership in power management, sensing, and signal conditioning technologies.
The DG408DY belongs to Vishay's high-performance analog switch family, designed specifically for precision, low-power, and high-voltage-tolerant signal routing in industrial, medical, and test instrumentation applications.
FAQ
What is the maximum supply voltage rating for DG408DY?
The DG408DY has an absolute maximum V+ to V− rating of 44 V, with operational dual-supply range up to ±20 V and single-supply range up to +36 V. Exceeding these limits risks permanent damage, and the device must never be subjected to voltages beyond its absolute maximum ratings as defined in the Vishay datasheet S13-2504-Rev. K.
Does DG408DY support single-supply operation with V− tied to GND?
Yes, DG408DY supports true single-supply operation with V− connected to GND and V+ ranging from +5 V to +36 V. The internal architecture maintains rail-to-rail analog signal handling (0 V to V+) and TTL-compatible logic thresholds under this configuration, as confirmed in the "Specifications (Single Supply)" section of the datasheet.
What is the guaranteed break-before-make interval for DG408DY?
The DG408DY guarantees a minimum break-before-make interval (tOPEN) of 10 ns at room temperature, as specified in the Dynamic Characteristics table. This ensures no overlap between channel conduction states during address transitions, preventing crosstalk in multi-channel signal routing applications.
How does charge injection affect performance in DG408DY-based sampling circuits?
DG408DY exhibits 20 pC typical charge injection, which induces a voltage step ΔV = Q/CL on the load capacitor. In a 10 nF sampling capacitor, this causes ~2 mV glitch - a key factor in ADC front-end settling accuracy. Designers must account for this in hold-time and filter design, especially in high-resolution (>12-bit) data acquisition systems.
Is DG408DY pin-compatible with other Vishay multiplexers like DG409DY?
No, DG408DY is not pin-compatible with DG409DY. While both use 16-pin SOIC packages, their pinouts differ significantly: DG408DY has eight single-ended inputs (S1–S8) and one output (D), whereas DG409DY provides four differential pairs (S1a/S1b through S4a/S4b) and two outputs (Da, Db). PCB layout must be redesigned for substitution.
DG408DY Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay Siliconix
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Obsolete
- Switch Circuit:
- -
- Multiplexer/Demultiplexer Circuit:
- 8:1
- Number of Circuits:
- 1
- On-State Resistance (Max):
- 100Ohm
- Channel-to-Channel Matching (ΔRon):
- 15Ohm (Max)
- Voltage - Supply, Single (V+):
- 5V ~ 36V
- Voltage - Supply, Dual (V±):
- ±5V ~ 20V
- Switch Time (Ton, Toff) (Max):
- 150ns, 150ns
- -3db Bandwidth:
- -
- Charge Injection:
- 20pC
- Channel Capacitance (CS(off), CD(off)):
- 3pF, 26pF
- Current - Leakage (IS(off)) (Max):
- 500pA
- Crosstalk:
- -
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SOIC
DG408DY FAQ
1.How can I place an order for DG408DY through Aetrix?
Please submit a Request for Quotation (RFQ) for DG408DY 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 DG408DY reliable?
The price and inventory of DG408DY are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DG408DY is usually 5 days.
3.What payment methods are accepted for DG408DY?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DG408DY transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DG408DY?
DG408DY orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DG408DY 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 DG408DY?
For technical support, including DG408DY datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DG408DY requirements.
6.How does Aetrix verify that DG408DY is sourced from the original manufacturer or authorized distributors?
All DG408DY 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 DG408DY meets industry standards.
7.What is the process for return or replacement of DG408DY?
All DG408DY units undergo pre-shipment inspection (PSI). If there is an issue with DG408DY, 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 DG408DY part is unused and in its original packaging.
Return procedure for DG408DY:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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