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Analog Devices Inc./Maxim Integrated DG412CJ
- Part No.:
- DG412CJ
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-DIP (0.300", 7.62mm)
- Datasheet:
-
DG412CJ.pdf
- Description:
- IC SWITCH SPST-NOX4 45OHM 16DIP
- Quantity:
- Payment:
- Shipping:
Inventory:3,890
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Product details
Overview
DG412CJ from Maxim Integrated is a quad, normally open (NO), single-pole/single-throw (SPST) analog switch IC designed for bidirectional signal routing in precision analog systems. It features 35Ω max on-resistance, <5nA off-leakage at +85°C, and 150ns max turn-on time, operating from ±4.5V to ±20V bipolar or +10V to +30V single supply - ideal for test equipment and audio signal routing.
For engineers reviewing the DG412CJ datasheet, DG412CJ pinout, DG412CJ application, or DG412CJ equivalent, key selection criteria include guaranteed on-resistance matching (≤3Ω), rail-to-rail analog signal handling (±15V), TTL/CMOS logic compatibility, and ESD tolerance of ≥2000V per Method 3015.7.
Technical Context
The DG412CJ implements four independent SPST switches with NO configuration, each featuring matched channel on-resistance (ΔrDS(ON) ≤ 3Ω) and flat on-resistance over full signal range (ΔrFLAT(ON) ≤ 4Ω). Its silicon-gate 44V process enables robust operation across wide supply ranges and temperature extremes.
Switching is controlled by TTL/CMOS-compatible digital inputs referenced to VL (typically +5V), with logic thresholds fixed at VINH = 2.4V and VINL = 0.8V. Charge injection is tightly controlled at ≤10pC, supporting low-distortion sample-and-hold and multiplexing in high-fidelity analog paths.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On-Resistance (rDS(ON)) | 45Ω max at ±15V - ensures minimal signal attenuation and gain error in precision DC-coupled paths |
| On-Resistance Match | 3Ω max between channels - critical for multi-channel instrumentation requiring consistent gain/phase response |
| Off-Leakage Current | <5nA at +85°C - preserves accuracy in high-impedance sensor interfaces and long-hold sample-and-hold circuits |
| Turn-On Time (tON) | 150ns max - supports fast switching in automated test equipment and real-time signal routing |
| Analog Signal Range | ±15V - enables full rail-to-rail operation with ±15V supplies, covering industrial and military voltage standards |
| ESD Tolerance | 2000V min per Method 3015.7 - provides built-in protection against handling damage without external components |
| Supply Range | ±4.5V to ±20V bipolar or +10V to +30V single - offers flexibility in legacy and mixed-supply system designs |
Pinout & Package
DG412CJ is housed in a 16-pin plastic DIP package (0.300" width), RoHS-compliant and rated for 0°C to +70°C operation. Pin spacing follows JEDEC MS-012 standard with 0.100" lead pitch.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| IN1–IN4 (Pins 1, 2, 15, 16) | Digital control input | Active-high logic inputs driving respective SPST switches; compatible with TTL/CMOS levels when VL = +5V |
| D1–D4 (Pins 3, 4, 13, 14) | Analog drain terminal | One side of each switch; connects to load or downstream signal path; bidirectional conduction supported |
| S1–S4 (Pins 5, 6, 11, 12) | Analog source terminal | Other side of each switch; connects to source or upstream signal path; symmetric with D terminals |
| V+ (Pin 13) | Positive supply rail | Bias for internal circuitry and switch channel; tied to substrate; must be ≥ V− by ≤44V |
| V− (Pin 4) | Negative supply rail | Reference for bipolar operation; clamps signals exceeding V− via internal diodes (limit forward current) |
| GND (Pin 5) | Circuit ground reference | Logic and analog return path; separate from power supply returns in mixed-signal layouts |
| VL (Pin 10) | Logic supply voltage | Sets logic threshold; +5V for TTL compatibility, V+ for CMOS-level inputs; decoupling recommended |
Key Features
| Feature | Design Value |
|---|---|
| Quad SPST NO configuration | Four independent, non-latching switches with break-before-make timing - eliminates signal shorting during state transitions |
| Rail-to-rail analog handling | Supports input signals from V− to V+ - enables direct interfacing with op-amp outputs and DACs without level-shifting |
| Low charge injection (≤10pC) | Minimizes voltage glitch on sampled capacitors - essential for sub-12-bit accuracy in data acquisition systems |
| Guaranteed on-resistance flatness | Δ4Ω max over full analog range - maintains consistent gain and THD across signal amplitude in audio routing |
| TTL/CMOS logic compatibility | Fixed 2.4V/0.8V thresholds with VL = +5V - simplifies interface to microcontrollers and FPGAs without level translators |
Applications
| Test Equipment | Audio Signal Routing |
|---|---|
Use Scenario: Automated test fixture selecting between multiple sensor inputs or calibration references. IC Role / Device Role / Timing Role: Precision analog multiplexer enabling sequential measurement of up to four DC-coupled sources. Use Value: 35Ω max rDS(ON) and <5nA leakage ensure measurement integrity across temperature without recalibration drift. |
Use Scenario: Matrix-based routing of line-level audio signals in studio mixing consoles. IC Role / Device Role / Timing Role: Bidirectional SPST switch providing silent, pop-free channel selection under microcontroller control. Use Value: ≤10pC charge injection and rail-to-rail ±15V operation prevent audible clicks and preserve dynamic range. |
| Sample-and-Hold Circuits | Military Radios |
Use Scenario: Acquisition front-end capturing analog waveforms prior to ADC conversion in radar receivers. IC Role / Device Role / Timing Role: Low-glitch sampling switch isolating hold capacitor from input during acquisition phase. Use Value: 150ns tON and matched on-resistance enable precise aperture timing and channel-to-channel coherence. |
Use Scenario: Signal path switching in HF/VHF transceivers requiring ruggedized analog routing under EMI stress. IC Role / Device Role / Timing Role: High-reliability analog switch managing antenna duplexing and filter bank selection. Use Value: 2000V ESD rating and -40°C to +85°C extended temp variants (e.g., DG412DJ) support field-deployable designs. |
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 logic | Higher speed but no guaranteed rDS(ON) match; less suitable for multi-channel gain-matched systems | Select ADG412BRZ when faster switching dominates over channel matching requirements |
| TS5A3157DCKR | Single-supply only (+1.65V to +5.5V); 0.75Ω rDS(ON); 10ns tON; 5V logic only | Optimized for low-voltage portable gear; incompatible with ±15V or high-voltage industrial rails | Choose TS5A3157DCKR for battery-powered audio accessories where supply headroom is constrained |
Compared with DG412CJ, ADG412BRZ offers faster switching but lacks guaranteed on-resistance matching, while TS5A3157DCKR delivers ultra-low on-resistance at the cost of high-voltage capability - making DG412CJ the optimal choice for industrial test and military-grade analog routing where voltage range, matching, and ruggedness are jointly critical.
Availability
DG412CJ is available at Aetrix Electronics and suitable for test equipment, audio signal routing, and sample-and-hold circuits requiring stable component supply across extended production lifecycles.
Supply support for DG412CJ 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 semiconductor company specializing in high-performance analog, mixed-signal, and power management ICs for industrial, communications, and computing markets.
DG412CJ belongs to Maxim's legacy DG41x family of precision analog switches, engineered for applications demanding low distortion, high channel matching, and robust operation in harsh electrical environments.
FAQ
What is the maximum analog signal voltage range supported by DG412CJ?
DG412CJ supports analog signals from V− to V+, with absolute maximum ratings allowing V+ up to +44V and V− down to −44V relative to GND. Under standard ±15V dual-supply operation, the usable analog range is ±15V - fully rail-to-rail - enabling direct connection to op-amp outputs and DACs without external level-shifting circuitry.
Does DG412CJ require external pull-up resistors on its IN pins?
No, DG412CJ does not require external pull-up resistors on IN1–IN4 pins. Its TTL/CMOS-compatible inputs have defined thresholds (VINH = 2.4V, VINL = 0.8V) and low input current (±0.5µA max), allowing direct drive from microcontrollers or logic gates. Pull-ups are unnecessary unless floating-state prevention is required in specific system-level fault conditions.
Can DG412CJ operate with unbalanced supplies such as +24V and −5V?
Yes, DG412CJ supports unbalanced supplies like +24V and −5V, provided the difference between V+ and V− does not exceed +44V and both remain within absolute maximum ratings. This flexibility allows integration into legacy systems with asymmetric rails, though on-resistance and leakage will reflect the actual applied voltages per the device's electrical characteristics curves.
How is charge injection specified for DG412CJ, and why does it matter?
DG412CJ specifies charge injection as ≤10pC maximum, measured with CL = 1.0nF, VGEN = 0V, and RGEN = 0Ω. This parameter directly impacts voltage glitch magnitude on hold capacitors in sample-and-hold circuits - lower charge injection preserves DC accuracy and reduces settling time, making DG412CJ suitable for 12-bit+ data acquisition systems.
What is the thermal performance of DG412CJ in the 16-pin DIP package?
In its 16-pin plastic DIP package, DG412CJ has a thermal resistance θJA of 10.53mW/°C above +70°C, with 842mW maximum continuous power dissipation at TA = +70°C. Derating is linear beyond that point, ensuring reliable operation in ambient temperatures up to +70°C without forced airflow - typical for benchtop test equipment and industrial control panels.
DG412CJ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tube
- 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):
- 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:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 16-PDIP
DG412CJ FAQ
1.How can I place an order for DG412CJ through Aetrix?
Please submit a Request for Quotation (RFQ) for DG412CJ 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 DG412CJ reliable?
The price and inventory of DG412CJ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DG412CJ is usually 5 days.
3.What payment methods are accepted for DG412CJ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DG412CJ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DG412CJ?
DG412CJ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DG412CJ 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 DG412CJ?
For technical support, including DG412CJ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DG412CJ requirements.
6.How does Aetrix verify that DG412CJ is sourced from the original manufacturer or authorized distributors?
All DG412CJ 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 DG412CJ meets industry standards.
7.What is the process for return or replacement of DG412CJ?
All DG412CJ units undergo pre-shipment inspection (PSI). If there is an issue with DG412CJ, 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 DG412CJ part is unused and in its original packaging.
Return procedure for DG412CJ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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