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Analog Devices Inc./Maxim Integrated DG412DY+
- Part No.:
- DG412DY+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
DG412DY+.pdf
- Description:
- IC SWITCH SPST-NOX4 45OHM 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:315
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Product details
Overview
DG412DY+ from Maxim Integrated is a quad, normally open (NO), single-pole/single-throw (SPST) analog switch IC designed for precision signal routing in bipolar or single-supply systems. It delivers 35Ω max on-resistance, <5nA off-leakage at +85°C, and 150ns max tON, enabling low-distortion switching in battery-operated test equipment and audio routing applications.
For engineers reviewing the DG412DY+ datasheet, DG412DY+ pinout, DG412DY+ application, or DG412DY+ equivalent, key selection criteria include guaranteed RDS(ON) matching (≤3Ω), rail-to-rail analog signal handling (±15.5V), TTL/CMOS logic compatibility, and ESD tolerance of ≥2000V per Method 3015.7.
Technical Context
The DG412DY+ uses a 44V silicon-gate process to support dual ±4.5V to ±20V or single +10V to +30V operation, with VL referenced to +5V for TTL-level control. Its SPST NO architecture ensures signal path isolation when disabled, and charge injection is limited to 10pC max-critical for sample-and-hold accuracy.
On-resistance flatness (ΔRDS(ON) ≤4Ω) is guaranteed over the full analog signal range (±15.5V), and off-isolation exceeds 68dB at 1MHz. Break-before-make timing is not applicable, as each channel operates independently without internal interlock.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Switch Type | Quad SPST, normally open (NO) - enables four independent signal paths only when logic input is high. |
| RDS(ON) Max | 45Ω at ±15V supplies - ensures minimal voltage drop and power loss in analog signal paths. |
| RDS(ON) Match | ≤3Ω between channels - maintains consistent gain and crosstalk performance across all four switches. |
| tON / tOFF Max | 150ns / 100ns - supports high-speed multiplexing in communication and test instrumentation. |
| Off-Leakage @ +85°C | <5nA - preserves signal integrity in high-impedance sample-and-hold and sensor front-ends. |
| Analog Signal Range | ±15.5V - fully rail-to-rail operation with ±16.5V supplies, compatible with industrial ±15V systems. |
| ESD Rating | ≥2000V HBM (Method 3015.7) - withstands handling and board-level electrostatic events without latch-up. |
Pinout & Package
DG412DY+ is housed in a 16-pin narrow SOIC package (package code S16-1), with gull-wing leads, 1.27mm pitch, and JEDEC MS-012AC compliance. The exposed paddle is absent-this variant uses standard SO construction without thermal pad.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| IN1–IN4 (Pins 2, 5, 10, 13) | Logic Control Inputs | TTL/CMOS-compatible digital inputs; high = switch ON (NO configuration). |
| D1–D4 (Pins 1, 4, 11, 14) | Analog Drain Terminals | High-impedance side of switch; connects to load or downstream circuitry. |
| S1–S4 (Pins 3, 6, 9, 12) | Analog Source Terminals | Signal source side; bidirectional conduction allows flexible routing topology. |
| V+ (Pin 15) | Positive Supply Rail | Connects to +10V to +30V (single) or positive rail of bipolar supply; also ties to substrate. |
| V− (Pin 7) | Negative Supply Rail | Required for bipolar operation (±4.5V to ±20V); tie to GND for single-supply mode. |
| GND (Pin 8) | Ground Reference | Common return for V− (if tied to 0V) and logic ground; separate from analog signal reference. |
| VL (Pin 16) | Logic Supply Voltage | Must be +5V for TTL compatibility; connect to V+ for CMOS-level inputs. |
Key Features
| Feature | Design Value |
|---|---|
| Plug-in upgrade for legacy DG412 | Pin- and function-compatible replacement with improved RDS(ON) match and leakage specs. |
| Rail-to-rail signal handling | Supports analog signals from V− to V+, enabling full utilization of ±15V industrial buses. |
| Low charge injection (10pC max) | Minimizes voltage glitch on sampled nodes-essential for 12-bit+ data acquisition accuracy. |
| Bipolar or single-supply flexibility | Operates from ±4.5V to ±20V or +10V to +30V, simplifying power architecture in mixed-signal systems. |
| Guaranteed RFLAT(ON) ≤4Ω | Ensures flat frequency response and low THD across the entire signal swing in audio and video paths. |
Applications
| Sample-and-Hold Circuits | Communication Systems |
|---|---|
Use Scenario: Capturing fast transient signals in precision ADC front-ends with minimal hold-mode droop. IC Role / Device Role / Timing Role: DG412DY+ acts as the acquisition switch, connecting analog input to hold capacitor with sub-150ns turn-on and <5nA leakage. Use Value: Low charge injection (10pC) prevents step errors; matched RDS(ON) ensures uniform settling across multi-channel systems. | Use Scenario: Routing RF IF signals between filters, mixers, and amplifiers in baseband subsystems. IC Role / Device Role / Timing Role: DG412DY+ serves as a low-distortion, high-isolation signal path selector in TDD/FDD reconfiguration. Use Value: 68dB off-isolation at 1MHz suppresses adjacent-channel interference; rail-to-rail range accommodates ±12V IF levels. |
| Test Equipment | Audio Signal Routing |
Use Scenario: Automated signal path switching in benchtop multimeters and programmable load controllers. IC Role / Device Role / Timing Role: DG412DY+ functions as a robust, low-drift multiplexer for DC/low-frequency analog measurements. Use Value: 35Ω max RDS(ON) and ≤3Ω channel matching reduce measurement uncertainty; ESD tolerance protects against operator-induced discharges. | Use Scenario: Channel selection and mute control in professional audio mixers and effects processors. IC Role / Device Role / Timing Role: DG412DY+ provides silent, pop-free switching between line-level sources (±10V range) under microcontroller control. Use Value: ΔRDS(ON) ≤4Ω ensures consistent gain across channels; low THD preserves audio fidelity up to 20kHz. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADG412BRZ | 44V abs max rating; 35Ω RDS(ON); 100ns tON; requires VL = V+ for CMOS drive. | Higher leakage (>10nA @ +85°C); no guaranteed RDS(ON) match spec. | Preferred where higher supply voltage margin is needed, but less suitable for precision matching-critical designs. |
| TS5A23157DCUR | Single-supply only (+1.65V to +5.5V); 0.9Ω RDS(ON); 30ns tON; 5V logic only. | Not rated for ±15V operation; unsuitable for industrial bipolar signal chains. | Optimal for low-voltage portable audio, but cannot replace DG412DY+ in high-voltage or dual-supply contexts. |
Compared with ADG412BRZ and TS5A23157DCUR, the DG412DY+ uniquely combines bipolar supply support, guaranteed channel matching, and low leakage at temperature-making it the only option qualified for precision ±15V sample-and-hold and military-grade test instrumentation.
Availability
DG412DY+ is available at Aetrix Electronics and suitable for test equipment, audio signal routing, and sample-and-hold circuits requiring stable component supply across extended temperature ranges (−40°C to +85°C) and long production lifecycles.
Supply support for DG412DY+ 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
Maxim Integrated (now part of Analog Devices) is a U.S.-based semiconductor company specializing in high-performance analog, mixed-signal, and power management ICs for industrial, communications, and computing markets.
The DG412DY+ belongs to Maxim's legacy precision analog switch family, engineered for reliability in harsh environments and demanding signal integrity applications-including military radios, guidance systems, and automated test equipment.
FAQ
What is the operating temperature range for DG412DY+?
The DG412DY+ is rated for −40°C to +85°C operation, confirmed by its ordering code "DY" designation in Maxim's datasheet. This extended industrial temperature grade ensures stable RDS(ON), leakage, and switching performance across automotive under-hood and industrial control environments. All electrical specifications-including <5nA off-leakage and ≤3Ω RDS(ON) matching-are guaranteed across this full range.
Can DG412DY+ operate from a single +12V supply?
Yes, DG412DY+ supports single-supply operation from +10V to +30V. When using +12V, connect V− to GND, set VL to +5V for TTL compatibility, and ensure analog signals remain within 0V to +12V. Note that RDS(ON) increases slightly versus ±15V operation (typical 100Ω vs. 35Ω), and tON/tOFF degrade by ~20%-verified in the Single-Supply Electrical Characteristics table.
Is DG412DY+ pin-compatible with the original DG412?
Yes, DG412DY+ is a direct plug-in upgrade for the legacy DG412 series. Pinout, footprint, and logic behavior are identical across all packages-including the 16-pin narrow SOIC (DY). No PCB changes are required; improvements in RDS(ON) matching, leakage, and ESD tolerance are achieved without altering layout or firmware.
What is the maximum analog signal voltage DG412DY+ can handle?
DG412DY+ supports analog signals from V− to V+, with absolute maximum ratings of V+ ≤ +44V and V− ≥ −44V. Under recommended ±15V supplies, the guaranteed analog signal range is ±15.5V (per Electrical Characteristics table). Exceeding V+ or V− clamps signals via internal diodes-limit forward current to 30mA to avoid damage.
Does DG412DY+ require external protection diodes for overvoltage?
No-DG412DY+ does not require external blocking diodes for normal operation within its Absolute Maximum Ratings. However, if supply sequencing cannot be controlled (e.g., V− powered before V+), Maxim recommends adding two small-signal diodes in series with V+ and V− pins. This reduces analog range by 1V but preserves RDS(ON) and leakage specs, as documented in the Applications Information section.
DG412DY+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Active
- Switch Circuit:
- SPST - NO
- Multiplexer/Demultiplexer Circuit:
- 1:1
- Number of Circuits:
- 4
- On-State Resistance (Max):
- 45Ohm
- Channel-to-Channel Matching (ΔRon):
- 3Ohm (Max)
- Voltage - Supply, Single (V+):
- 10V ~ 30V
- Voltage - Supply, Dual (V±):
- ±4.5V ~ 20V
- Switch Time (Ton, Toff) (Max):
- 175ns, 145ns
- -3db Bandwidth:
- -
- Charge Injection:
- 5pC
- Channel Capacitance (CS(off), CD(off)):
- 9pF, 9pF
- Current - Leakage (IS(off)) (Max):
- 250pA
- Crosstalk:
- -85dB @ 1MHz
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SOIC
DG412DY+ FAQ
1.How can I place an order for DG412DY+ through Aetrix?
Please submit a Request for Quotation (RFQ) for DG412DY+ 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 DG412DY+ reliable?
The price and inventory of DG412DY+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DG412DY+ is usually 5 days.
3.What payment methods are accepted for DG412DY+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DG412DY+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DG412DY+?
DG412DY+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DG412DY+ 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 DG412DY+?
For technical support, including DG412DY+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DG412DY+ requirements.
6.How does Aetrix verify that DG412DY+ is sourced from the original manufacturer or authorized distributors?
All DG412DY+ 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 DG412DY+ meets industry standards.
7.What is the process for return or replacement of DG412DY+?
All DG412DY+ units undergo pre-shipment inspection (PSI). If there is an issue with DG412DY+, 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 DG412DY+ part is unused and in its original packaging.
Return procedure for DG412DY+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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