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Analog Devices Inc./Maxim Integrated DG412DJ+
- Part No.:
- DG412DJ+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-DIP (0.300", 7.62mm)
- Datasheet:
-
DG412DJ+.pdf
- Description:
- IC SWITCH SPST-NOX4 45OHM 16DIP
- Quantity:
- Payment:
- Shipping:
Inventory:3,856
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Product details
Overview
DG412DJ+ 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 features 35Ω max on-resistance, <5nA off-leakage at +85°C, 10pC max charge injection, rail-to-rail analog signal handling (±15V), and TTL/CMOS-compatible logic inputs - enabling use in battery-operated test equipment and military radio front-ends.
For engineers reviewing the DG412DJ+ datasheet, DG412DJ+ pinout, DG412DJ+ application, or DG412DJ+ equivalent, key selection criteria include guaranteed on-resistance matching (≤3Ω), flatness over signal range (Δ4Ω), ESD tolerance (2000V min), dual-supply operation (±4.5V to ±20V), and 16-pin plastic DIP packaging with through-hole mounting compatibility.
Technical Context
The DG412DJ+ implements four independent SPST switches with NO configuration, each controlled by a dedicated digital input (IN1–IN4). Its silicon-gate 44V process enables robust operation across ±4.5V to ±20V bipolar supplies or +10V to +30V single supplies, with VL referenced to +5V for TTL compatibility.
Switching is bidirectional with symmetrical on-resistance and low capacitance (9pF off-capacitance per channel). Internal clamping diodes protect analog terminals against signals exceeding V+ or V−, while guaranteed charge injection (≤10pC) and leakage (<5nA at +85°C) support high-fidelity sample-and-hold and audio routing applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Switch Type | Quad SPST, normally open (NO) - all four channels open when logic input = 0V |
| RDS(ON) Max | 45Ω at ±15V supply - ensures minimal signal attenuation in precision analog paths |
| ΔRDS(ON) Max | 3Ω match between channels - critical for multi-channel gain/phase matching in instrumentation |
| RFLAT(ON) Max | Δ4Ω over full analog range - maintains consistent gain across ±15V signal swing |
| Charge Injection | 10pC max - limits voltage glitch in sample-and-hold circuits with 1nF hold capacitors |
| Off-Leakage @ +85°C | <5nA - preserves accuracy in high-impedance sensor interfaces and long-duration hold modes |
| tON/tOFF | <150ns / <100ns - supports fast multiplexing in automated test equipment (ATE) scan cycles |
| ESD Tolerance | 2000V min per Method 3015.7 - enhances reliability during board assembly and field handling |
Pinout & Package
Package: 16-pin plastic DIP (0.300" wide), through-hole mount, RoHS-compliant (DG412DJ+ suffix denotes lead-free finish).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| IN1–IN4 (Pins 1, 2, 15, 16) | Digital control inputs | TTL/CMOS-compatible; logic high (≥2.4V) closes corresponding switch |
| D1–D4 (Pins 3, 4, 13, 14) | Analog drain terminals | High-impedance side of switch; connects to load or downstream circuitry |
| S1–S4 (Pins 5, 6, 11, 12) | Analog source terminals | Low-impedance side; typically tied to signal sources or common reference points |
| V+ (Pin 10) | Positive supply rail | Accepts +10V to +30V (single) or up to +44V absolute max; substrate connection point |
| V− (Pin 9) | Negative supply rail | Accepts −4.5V to −20V (bipolar); clamps analog signals below V− via internal diodes |
| GND (Pin 7) | Ground reference | Logic ground return; separate from analog signal ground in mixed-signal layouts |
| VL (Pin 8) | Logic supply voltage | Must be +5V for TTL compatibility; ties 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) matching and leakage |
| Rail-to-rail analog signal handling | Supports ±15V differential signals without clipping - essential for industrial sensor conditioning |
| Bidirectional conduction | Identical on-resistance regardless of signal direction - simplifies PCB layout in AC-coupled paths |
| Low power consumption | 35µW max total supply current - extends battery life in portable test gear and avionics |
| Guaranteed performance over temperature | Specified from −40°C to +85°C - validated for automotive under-hood and military environmental stress |
Applications
| Sample-and-Hold Circuits | Communication Systems |
|---|---|
Use Scenario: Capturing precise amplitude of RF IF signals before ADC conversion in software-defined radios. IC Role / Device Role / Timing Role: DG412DJ+ acts as the acquisition switch, isolating the hold capacitor during sampling with sub-10pC charge injection. Use Value: Enables ≤0.01% gain error over ±10V input range due to Δ4Ω RFLAT(ON) and matched channel resistance. |
Use Scenario: Routing audio and signaling tones between line cards and trunk interfaces in PBX/PABX systems. IC Role / Device Role / Timing Role: DG412DJ+ serves as a low-distortion analog path selector, switching between voice codecs and hybrid circuits. Use Value: 85dB crosstalk rejection and 68dB off-isolation prevent talk-down and echo in multi-channel telephony. |
| Test Equipment | Military Radios |
Use Scenario: Multiplexing sensor outputs (thermocouples, strain gauges) into a shared precision ADC in benchtop analyzers. IC Role / Device Role / Timing Role: DG412DJ+ functions as a low-leakage, low-RON analog MUX with 150ns settling time per channel. Use Value: <5nA off-leakage at +85°C prevents drift in high-Z sensor measurements; 35Ω RDS(ON) minimizes series error. |
Use Scenario: Signal conditioning and band selection in handheld HF/VHF transceivers operating in extreme temperature environments. IC Role / Device Role / Timing Role: DG412DJ+ routes antenna signals and local oscillator paths with ESD-hardened I/O for field-deployed units. Use Value: 2000V HBM ESD rating and −40°C to +85°C operation ensure reliability in uncontrolled outdoor deployments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADG412BNZ | 44V abs max rating; 35Ω RDS(ON); 10pC charge injection; 16-pin DIP package | Same NO topology and pinout, but lower ESD rating (1500V) and no guaranteed RFLAT(ON) | Preferred where cost sensitivity outweighs need for guaranteed flatness or 2000V ESD margin |
| TS5A3157D | Single-channel, 5V-only supply; 0.75Ω RDS(ON); 16-pin SOIC, not DIP | Not pin-compatible; requires PCB redesign; suited only for low-voltage consumer audio, not industrial/military | Only viable for new designs targeting 3.3V/5V systems with ultra-low on-resistance priority |
Compared with ADG412BNZ and TS5A3157D, the DG412DJ+ delivers unique value in legacy-replacement scenarios requiring guaranteed on-resistance flatness, high-voltage bipolar operation, and MIL-grade ESD robustness - without layout changes.
Availability
DG412DJ+ is available at Aetrix Electronics and suitable for test equipment, military radios, and battery-operated systems requiring stable component supply, long-term obsolescence management, and traceable sourcing for Class 3 industrial programs.
Supply support for DG412DJ+ 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 defense markets.
The DG412DJ+ belongs to Maxim's legacy precision analog switch family, engineered for ruggedized signal routing in harsh-environment systems where reliability, parameter matching, and wide supply flexibility are non-negotiable.
FAQ
What is the maximum allowable supply voltage for DG412DJ+?
The DG412DJ+ supports absolute maximum ratings of V+ = 44V and V− = (GND − 2V), with recommended operating ranges of ±4.5V to ±20V (bipolar) or +10V to +30V (single supply). Exceeding these limits risks permanent damage, and proper sequencing (V+ first, then VL and V−) is required to avoid latch-up.
Is DG412DJ+ pin-compatible with the original DG412?
Yes, DG412DJ+ is a direct plug-in upgrade for the legacy DG412, sharing identical 16-pin DIP pinout, logic polarity, and functional behavior. It improves upon the original with tighter RDS(ON) matching (≤3Ω vs. unspecified), guaranteed RFLAT(ON), and reduced off-leakage - all without requiring PCB modifications.
Does DG412DJ+ support single-supply operation?
Yes, DG412DJ+ operates from a single +10V to +30V supply. In this mode, connect V− to GND, set VL to +5V for TTL compatibility, and ensure analog signals remain within 0V to V+ rail. On-resistance increases slightly versus bipolar operation, and switching times lengthen at lower voltages (e.g., +12V).
What is the significance of the "J" in DG412DJ+?
The "J" suffix in DG412DJ+ denotes a 16-pin plastic DIP package rated for −40°C to +85°C operation. The "+" indicates RoHS-compliant, lead-free finish. This variant replaces older DG412CJ (0°C to +70°C) in extended-temperature applications without changing footprint or functionality.
How does DG412DJ+ handle analog signals beyond the supply rails?
DG412DJ+ includes internal clamping diodes on all analog terminals (S/D pins). Signals exceeding V+ or falling below V− forward-bias these diodes, limiting excursion to ~0.7V beyond rails. To avoid damage, external series current-limiting resistors must restrict forward current to ≤30mA per terminal, as specified in Absolute Maximum Ratings.
DG412DJ+ 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:
- Through Hole
- Supplier Device Package:
- 16-PDIP
DG412DJ+ FAQ
1.How can I place an order for DG412DJ+ through Aetrix?
Please submit a Request for Quotation (RFQ) for DG412DJ+ 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 DG412DJ+ reliable?
The price and inventory of DG412DJ+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DG412DJ+ is usually 5 days.
3.What payment methods are accepted for DG412DJ+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DG412DJ+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DG412DJ+?
DG412DJ+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DG412DJ+ 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 DG412DJ+?
For technical support, including DG412DJ+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DG412DJ+ requirements.
6.How does Aetrix verify that DG412DJ+ is sourced from the original manufacturer or authorized distributors?
All DG412DJ+ 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 DG412DJ+ meets industry standards.
7.What is the process for return or replacement of DG412DJ+?
All DG412DJ+ units undergo pre-shipment inspection (PSI). If there is an issue with DG412DJ+, 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 DG412DJ+ part is unused and in its original packaging.
Return procedure for DG412DJ+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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