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Analog Devices Inc./Maxim Integrated DG409CJ+
- Part No.:
- DG409CJ+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-DIP (0.300", 7.62mm)
- Datasheet:
-
DG409CJ+.pdf
- Description:
- IC SWITCH SP4T X 2 100OHM 16DIP
- Quantity:
- Payment:
- Shipping:
Inventory:4,843
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Product details
Overview
DG409CJ+ from Maxim Integrated is a dual 4-channel CMOS analog multiplexer/demultiplexer designed for bidirectional signal routing in precision analog systems. It features guaranteed 100Ω max on-resistance, 8Ω max channel-to-channel matching, and 15pC max charge injection, operating from ±5V to ±20V dual supplies or +5V to +30V single supply. It serves in data-acquisition front-ends where rail-to-rail signal integrity and low leakage (<5nA at +85°C) are critical.
For engineers reviewing the DG409CJ+ datasheet, DG409CJ+ pinout, DG409CJ+ application, or DG409CJ+ equivalent, this page delivers verified electrical specs, validated dual 4-channel switching behavior, package-specific thermal derating (842mW at +70°C), and direct alternatives with documented functional alignment for test equipment and guidance system designs.
Technical Context
The DG409CJ+ implements two independent 4:1 analog multiplexers sharing common address (A0, A1) and enable (EN) inputs, each with separate bidirectional I/O paths (S1A–S4A/DA and S1B–S4B/DB). Its CMOS transmission-gate architecture supports rail-to-rail analog signals up to ±20V and guarantees monotonic on-resistance flatness (9Ω max) across the full signal range.
It uses TTL/CMOS-compatible digital controls (VAL ≤ 0.8V, VAH ≥ 2.4V), exhibits 225ns typical enable turn-on time (tON(EN)), and maintains break-before-make timing (115ns min) to prevent signal shorting during channel transitions. ESD protection exceeds 2000V per MIL-STD-883 Method 3015.7.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Configuration | Dual 4-channel analog MUX/DEMUX - enables simultaneous routing of two independent analog signals |
| On-Resistance (rDS(ON)) | 100Ω max - ensures minimal signal attenuation and gain error in precision sensor interfaces |
| Channel Matching (ΔrDS(ON)) | 8Ω max - guarantees consistent gain scaling across channels in differential or ratiometric measurements |
| Charge Injection (Q) | 15pC max - limits voltage glitch on sample-and-hold capacitors, preserving ADC accuracy |
| Analog Signal Range | ±10V (dual supply), 0V to +10V (single supply) - supports industrial sensor outputs and audio line-level signals |
| Supply Voltage Range | ±5V to ±20V dual or +5V to +30V single - accommodates legacy ±15V systems and modern 12V/24V industrial rails |
| Input Leakage (IS(OFF)) | 5nA max at +85°C - prevents DC offset drift in high-impedance transducer circuits |
| Enable Turn-On Time (tON(EN)) | 250ns max - enables fast channel selection in real-time control loops and automated test sequencing |
Pinout & Package
Package: 16-pin plastic DIP (P16-2), through-hole mount, 842mW max power dissipation at +70°C with 10.53mW/°C derating above ambient.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 16 | A0, A1 | Binary address inputs selecting active channel (00→S1A/DA, 01→S2A/DA, etc.) for both mux sections |
| 2 | EN | Active-low enable - disables all switches when high, preventing unintended signal coupling |
| 3 | V− | Negative supply rail - sets lower analog signal boundary; must be connected even in single-supply mode (V− = GND) |
| 4–7 | S1A–S4A | Bidirectional analog inputs for first 4:1 mux - interchangeable as source or drain depending on signal flow direction |
| 8, 9 | DA, DB | Common analog outputs - DA connects to S1A–S4A; DB connects to S1B–S4B |
| 10–13 | S4B–S1B | Bidirectional analog inputs for second 4:1 mux - pin order reversed per datasheet top-view diagram |
| 14 | GND | Digital ground reference - isolated from analog return paths in mixed-signal PCB layout |
| 15 | V+ | Positive supply rail - defines upper analog signal limit; supports up to +30V in single-supply configuration |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail signal handling | Supports analog inputs from V− to V+ without clipping - essential for full-scale sensor output utilization |
| Guaranteed on-resistance flatness (9Ω max) | Ensures <1% gain variation across entire input voltage range - critical for linear instrumentation amplifiers |
| Low input off-leakage (<5nA at +85°C) | Minimizes bias current errors in high-Z pH probes, thermocouple cold-junction compensation, and piezoelectric sensors |
| TTL/CMOS-compatible digital inputs | Direct interface with microcontrollers and FPGAs without level-shifting - reduces BOM count and layout complexity |
| ESD protection >2000V (MIL-STD-883 Method 3015.7) | Withstands handling and board-level ESD events in manufacturing and field service environments |
Applications
| Test Equipment Signal Routing | Industrial Data-Acquisition Front-End |
|---|---|
|
Use Scenario: Automated test systems route multiple sensor outputs (thermocouples, strain gauges) to a shared high-resolution ADC. IC Role / Device Role / Timing Role: Dual 4:1 analog MUX provides independent channel selection for differential input pairs while maintaining matched gain paths. Use Value: 8Ω max channel matching and 15pC max charge injection preserve measurement repeatability across 16+ sensor channels without recalibration. |
Use Scenario: PLC analog input modules condition and multiplex 8–16 field transmitter signals (4–20mA, 0–10V) before digitization. IC Role / Device Role / Timing Role: DG409CJ+ acts as front-end signal selector, enabling software-configurable input ranges and sensor types per channel group. Use Value: ±20V dual-supply operation and 5nA max leakage at +85°C ensure stable performance in unconditioned cabinet environments. |
| Guidance System Sensor Fusion | Audio Line-Level Switching |
|
Use Scenario: Inertial navigation units combine gyroscope, accelerometer, and magnetometer outputs using synchronized sampling. IC Role / Device Role / Timing Role: DG409CJ+ routes analog outputs from redundant sensor sets to dual ADCs with deterministic break-before-make timing. Use Value: 115ns min tOPEN prevents momentary shorts between isolated sensor domains, eliminating fault propagation risk. |
Use Scenario: Pro-audio mixing consoles switch between microphone preamp outputs, line inputs, and effects returns. IC Role / Device Role / Timing Role: Bidirectional analog switch handles line-level signals (±2V) with minimal crosstalk and distortion. Use Value: -92dB crosstalk and 26pF CD(ON) + CS(ON) minimize inter-channel bleed and preserve wideband frequency response. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual 4-channel analog multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADG409BRZ | Higher on-resistance (120Ω typ), wider temp range (−40°C to +85°C), SOIC-16 package only | Preferred for extended temperature industrial deployments; lacks plastic DIP option for through-hole prototyping | Select ADG409BRZ when operating beyond +70°C or requiring RoHS-compliant lead-free SOIC packaging |
| MAX4619CSE+ | Single 4:1 mux (not dual), 60Ω max on-resistance, 16-pin SOIC, +125°C max junction temperature | Used where space-constrained PCBs require half the channel count but tighter on-resistance specs | Choose MAX4619CSE+ for compact designs needing only one 4:1 path with sub-60Ω conduction loss |
Compared with DG409CJ+, ADG409BRZ offers broader temperature tolerance but no DIP variant, while MAX4619CSE+ halves channel count to reduce footprint and cost-neither is pin-compatible, requiring layout revision for substitution.
Availability
DG409CJ+ is available at Aetrix Electronics and suitable for test equipment, industrial data-acquisition systems, and guidance and control systems requiring stable component supply across long production lifecycles.
Supply support for DG409CJ+ 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) designs high-performance analog and mixed-signal ICs for industrial, automotive, and communications markets, emphasizing ruggedness and specification guarantee.
The DG409CJ+ belongs to Maxim's precision analog multiplexer product line, engineered for applications demanding guaranteed matching, low charge injection, and robust operation across wide supply and temperature ranges.
FAQ
What supply voltage ranges does the DG409CJ+ support?
The DG409CJ+ operates from ±5V to ±20V dual supplies or +5V to +30V single supply. When using single supply, connect V− to GND. The device maintains specified on-resistance and leakage performance across this full range, with analog signal handling extending from V− to V+ - supporting legacy ±15V systems and modern 24V industrial rails. DG409CJ+ datasheet confirms operation at ±5V, ±10V, ±15V, and ±20V dual configurations.
Is the DG409CJ+ pin-compatible with the original industry-standard DG409?
Yes, the DG409CJ+ is explicitly designed as a pin-compatible plug-in upgrade for the legacy DG409, retaining identical 16-pin DIP pinout, logic thresholds, and functional truth table. No PCB changes are required for drop-in replacement. DG409CJ+ improves upon the original with guaranteed 8Ω max channel matching, 9Ω max on-resistance flatness, and enhanced ESD protection (>2000V), while maintaining backward compatibility in all operating modes.
What is the maximum allowable analog signal voltage for DG409CJ+ at ±15V supplies?
At ±15V dual supplies, the DG409CJ+ supports analog signals from −15V to +15V - full rail-to-rail operation. This is confirmed by the "Analog Signal Range" specification (±15V) under ELECTRICAL CHARACTERISTICS with V+ = +15V and V− = −15V. Exceeding these limits risks exceeding absolute maximum ratings and may trigger internal clamp diode conduction, potentially increasing leakage or distorting signals.
How does the DG409CJ+ handle charge injection in sample-and-hold circuits?
The DG409CJ+ guarantees ≤15pC maximum charge injection, directly limiting the voltage step (ΔV = Q/C) induced on hold capacitors during channel switching. For a typical 1000pF hold capacitor, this yields ≤15mV glitch - well within resolution limits of 12-bit+ ADCs. DG409CJ+ achieves this via matched transistor geometry and optimized gate drive, making it suitable for precision data-acquisition systems where aperture uncertainty must be minimized.
Does the DG409CJ+ support unbalanced supply configurations like +24V and −5V?
Yes, the DG409CJ+ supports unbalanced supplies - for example, +24V on V+ and −5V on V− - as stated in the Applications Information section. The key constraint is that the difference between V+ and V− must not exceed +44V. In such configurations, the analog signal range becomes −5V to +24V, and on-resistance remains within spec as long as supply voltages stay within the ±5V to ±20V dual or +5V to +30V single ranges. DG409CJ+ maintains guaranteed leakage and matching under these conditions.
DG409CJ+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Active
- Switch Circuit:
- SP4T
- Multiplexer/Demultiplexer Circuit:
- 4:1
- Number of Circuits:
- 2
- On-State Resistance (Max):
- 100Ohm
- Channel-to-Channel Matching (ΔRon):
- 1.5Ohm
- Voltage - Supply, Single (V+):
- 5V ~ 30V
- Voltage - Supply, Dual (V±):
- ±5V ~ 20V
- Switch Time (Ton, Toff) (Max):
- 150ns, 150ns
- -3db Bandwidth:
- -
- Charge Injection:
- 2pC
- Channel Capacitance (CS(off), CD(off)):
- 3pF, 14pF
- Current - Leakage (IS(off)) (Max):
- 500pA
- Crosstalk:
- -92dB @ 100kHz
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 16-PDIP
DG409CJ+ FAQ
1.How can I place an order for DG409CJ+ through Aetrix?
Please submit a Request for Quotation (RFQ) for DG409CJ+ 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 DG409CJ+ reliable?
The price and inventory of DG409CJ+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DG409CJ+ is usually 5 days.
3.What payment methods are accepted for DG409CJ+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DG409CJ+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DG409CJ+?
DG409CJ+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DG409CJ+ 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 DG409CJ+?
For technical support, including DG409CJ+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DG409CJ+ requirements.
6.How does Aetrix verify that DG409CJ+ is sourced from the original manufacturer or authorized distributors?
All DG409CJ+ 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 DG409CJ+ meets industry standards.
7.What is the process for return or replacement of DG409CJ+?
All DG409CJ+ units undergo pre-shipment inspection (PSI). If there is an issue with DG409CJ+, 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 DG409CJ+ part is unused and in its original packaging.
Return procedure for DG409CJ+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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