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Analog Devices Inc./Maxim Integrated DG509ACJ+
- Part No.:
- DG509ACJ+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-DIP (0.300", 7.62mm)
- Datasheet:
-
DG509ACJ+.pdf
- Description:
- IC SWITCH SP4T X 2 450OHM 16DIP
- Quantity:
- Payment:
- Shipping:
Inventory:312
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Product details
Overview
DG509ACJ+ from Maxim Integrated is a monolithic CMOS differential 4-channel (2-of-8) analog multiplexer with break-before-make switching, ±4.5V to ±18V dual-supply operation, 500Ω typical on-resistance at ±15V, <1μs enable turn-on time, and TTL/CMOS-compatible logic inputs - used for precision signal routing in data-acquisition systems requiring channel-pair isolation.
For engineers reviewing the DG509ACJ+ datasheet, DG509ACJ+ pinout, DG509ACJ+ application, or DG509ACJ+ equivalent, key selection criteria include differential switch architecture, leakage current below 2nA at ±10V, off-isolation of 68dB at 500kHz, and compatibility with industrial temperature-range upgrades.
Technical Context
The DG509ACJ+ implements a fully decoded 2-bit address (A0/A1) to select one of four differential analog channel pairs (S1A/S1B through S4A/S4B), each bidirectional and symmetrical. Its internal CMOS switch array guarantees break-before-make timing of 0.2μs minimum to prevent signal shorting during channel transitions.
It features latchup-proof construction enabling safe operation with input signals present while power supplies are off, and supports continuous operation across ±4.5V to ±18V supply rails - making it suitable for high-voltage industrial sensor interfaces where rail flexibility and fault tolerance are critical.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Analog Signal Range | ±15V - supports full-rail analog signal switching without clipping in ±15V systems |
| Drain-Source On-Resistance | 500Ω typ at ±15V - ensures minimal voltage drop and gain error in precision measurement paths |
| Off-Isolation | 68dB at 500kHz - provides strong channel-to-channel crosstalk suppression in multi-signal routing |
| Enable Turn-On Time | 0.4μs typ - enables fast multiplexing in high-throughput data loggers and control loops |
| Source Off-Leakage Current | ±0.005nA max at ±10V - preserves accuracy in high-impedance sensor front-ends and charge-sensitive circuits |
| Supply Voltage Range | ±4.5V to ±18V - allows direct integration into legacy ±5V, ±12V, and ±15V industrial power domains |
| Logic Compatibility | TTL and CMOS - simplifies interface with microcontrollers, FPGAs, and discrete logic without level-shifting |
Pinout & Package
Package: 16-pin plastic DIP (PDIP), RoHS-compliant, 0°C to +70°C operating range.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 16 | A0, A1 | 2-bit binary address inputs selecting one of four differential channel pairs (S1A/S1B to S4A/S4B) |
| 2 | EN | Active-high enable controlling global mux activation; disables all switches when low |
| 3 | V− | Negative supply rail connection; required for full ±15V analog signal handling |
| 4–7 | S1A–S4A | First side of differential analog inputs/outputs; bidirectional, matched to corresponding SxB pins |
| 8, 9 | DA, DB | Differential analog outputs (or inputs); DA connects to selected SxA, DB to selected SxB |
| 10–13 | S4B–S1B | Second side of differential analog inputs/outputs; polarity-matched to SxA pins for true differential routing |
| 14 | V+ | Positive supply rail connection; must be ≥ |V−| for symmetric rail operation |
| 15 | GND | Signal reference ground; separate from power ground in mixed-signal layouts to reduce noise coupling |
Key Features
| Feature | Design Value |
|---|---|
| Differential 4-channel architecture | Routes matched analog signal pairs (e.g., sensor bridges, instrumentation amps) without common-mode degradation |
| Break-before-make switching | Guarantees 0.2μs minimum open interval between channel disconnect and reconnect - prevents transient shorts |
| Latchup-proof construction | Operates safely with analog inputs active during power-down - eliminates need for external protection circuitry |
| Low power consumption | 0.2mA max supply current - extends battery life in portable data loggers and handheld test equipment |
| Symmetrical bidirectional operation | Supports signal flow in either direction - enables reuse as demultiplexer or configurable I/O matrix |
Applications
| Industrial Data-Acquisition Systems | Aircraft Heads-Up Display (HUD) Signal Routing |
|---|---|
|
Use Scenario: Multiplexing multiple RTD or thermocouple inputs into a single ADC channel under harsh EMI conditions. IC Role / Device Role / Timing Role: Differential analog multiplexer providing channel isolation and rail-to-rail signal integrity. Use Value: 68dB off-isolation and ±15V analog range maintain measurement fidelity across 16+ sensor channels without cross-talk or clipping. |
Use Scenario: Routing synchronized video and sync pulse pairs from multiple display sources to HUD projection optics. IC Role / Device Role / Timing Role: Differential 2-of-8 switch preserving signal skew and amplitude matching between complementary lines. Use Value: Matched on-resistance (500Ω typ) and symmetrical bidirectional behavior ensure <10ps inter-pair skew in high-speed analog video paths. |
| Control System Feedback Loop Switching | Portable Battery-Powered Test Equipment |
|
Use Scenario: Dynamically selecting among multiple PID controller feedback sensors (e.g., pressure, flow, temperature) in real time. IC Role / Device Role / Timing Role: Enable-controlled analog switch enabling rapid reconfiguration of closed-loop monitoring paths. Use Value: 0.4μs enable turn-on time allows sub-microsecond loop adaptation - critical for high-bandwidth motion control. |
Use Scenario: Channel selection in handheld multimeters and portable oscilloscope front-ends powered by single-cell Li-ion batteries. IC Role / Device Role / Timing Role: Low-power analog multiplexer minimizing quiescent current while maintaining ±10V input range. Use Value: 0.02mA standby supply current extends battery runtime beyond 20 hours per charge in Class II portable instruments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar differential analog multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX339CPE+ | Higher on-resistance (900Ω typ), wider temp range (−40°C to +85°C), same 16-pin PDIP package | Better suited for extended-temperature industrial environments but sacrifices signal fidelity in precision DC measurements | Select MAX339CPE+ when operating outside 0°C–70°C or when higher voltage tolerance (±20V) is required |
| ADG509AKRZ | Lower leakage (0.01pA typ), SPI-compatible digital interface, SOIC-16 package only - no PDIP option | Enables remote configuration via microcontroller but requires PCB redesign for surface-mount layout | Select ADG509AKRZ when programmable addressing and ultra-low leakage are prioritized over drop-in replacement capability |
Compared with DG509ACJ+, MAX339CPE+ trades lower cost and extended temperature support for higher on-resistance and reduced DC accuracy, while ADG509AKRZ offers superior leakage performance and digital control at the expense of through-hole compatibility and increased system complexity.
Availability
DG509ACJ+ is available at Aetrix Electronics and suitable for industrial data-acquisition systems, aircraft avionics signal routing, and portable test equipment requiring stable component supply with long-term manufacturability and RoHS compliance.
Supply support for DG509ACJ+ 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 precision analog, mixed-signal, and power management ICs for industrial, automotive, and communications applications.
The DG509ACJ+ belongs to Maxim's legacy monolithic CMOS analog multiplexer product line, engineered for high-voltage, low-leakage, and latchup-immune signal routing in mission-critical measurement and control systems.
FAQ
What is the maximum analog signal voltage range supported by the DG509ACJ+?
The DG509ACJ+ supports an analog signal range of ±15V when operated with ±15V supplies. Its absolute maximum ratings allow V+ up to +44V referenced to V−, but guaranteed linear operation and specified parameters (e.g., on-resistance, leakage) apply within ±4.5V to ±18V supply rails. For ±15V operation, the full ±15V analog swing is preserved without clipping or distortion - a key requirement for industrial sensor interfacing.
Does the DG509ACJ+ require external pull-up or pull-down resistors on its address or enable pins?
No, the DG509ACJ+ does not require external pull-up or pull-down resistors on A0, A1, or EN pins. Its logic inputs are TTL- and CMOS-compatible with guaranteed thresholds: VIH ≥ 2.4V and VIL ≤ 0.8V. Input leakage remains below ±30μA across temperature, allowing direct connection to microcontroller GPIOs or FPGA outputs without additional biasing - simplifying layout and reducing BOM count in compact designs.
How does the break-before-make timing of the DG509ACJ+ prevent signal corruption during channel switching?
The DG509ACJ+ guarantees a minimum 0.2μs break-before-make (BBM) interval between switch disconnection and reconnection. This ensures that no two differential channel pairs are simultaneously connected to DA/DB outputs, eliminating transient short-circuits and signal coupling during transitions. In applications like multiplexed bridge sensor readouts, this prevents momentary loading imbalances that would otherwise introduce offset errors or amplifier saturation in downstream instrumentation amplifiers.
Can the DG509ACJ+ operate from a single +5V supply?
No, the DG509ACJ+ cannot operate from a single +5V supply. It requires dual ±4.5V to ±18V supplies to achieve its specified analog signal range and on-resistance performance. The minimum functional configuration uses V+ = +5V and V− = −5V (i.e., ±5V). For true single-supply operation, Maxim recommends the MAX338/MAX339 family - which are pin-compatible upgrades optimized for +5V or ±5V rails, unlike the DG509ACJ+ designed for higher-voltage industrial signal chains.
What is the thermal performance of the DG509ACJ+ in its 16-pin plastic DIP package?
The DG509ACJ+ in 16-pin plastic DIP has a continuous power dissipation rating of 842mW at TA = +70°C, with a derating factor of 10.53mW/°C above that temperature. At full ±15V operation with all switches on, total supply current remains below 0.2mA, resulting in <5mW total power draw - well within thermal limits even in sealed enclosures. This margin enables reliable operation in convection-cooled industrial cabinets without heatsinking or airflow requirements.
DG509ACJ+ 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):
- 450Ohm
- Channel-to-Channel Matching (ΔRon):
- 27Ohm
- Voltage - Supply, Single (V+):
- -
- Voltage - Supply, Dual (V±):
- ±4.5V ~ 18V
- Switch Time (Ton, Toff) (Max):
- 1.5µs, 1µs
- -3db Bandwidth:
- -
- Charge Injection:
- -
- Channel Capacitance (CS(off), CD(off)):
- 5pF, 12pF
- Current - Leakage (IS(off)) (Max):
- 1nA
- Crosstalk:
- -
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 16-PDIP
DG509ACJ+ FAQ
1.How can I place an order for DG509ACJ+ through Aetrix?
Please submit a Request for Quotation (RFQ) for DG509ACJ+ 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 DG509ACJ+ reliable?
The price and inventory of DG509ACJ+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DG509ACJ+ is usually 5 days.
3.What payment methods are accepted for DG509ACJ+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DG509ACJ+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DG509ACJ+?
DG509ACJ+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DG509ACJ+ 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 DG509ACJ+?
For technical support, including DG509ACJ+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DG509ACJ+ requirements.
6.How does Aetrix verify that DG509ACJ+ is sourced from the original manufacturer or authorized distributors?
All DG509ACJ+ 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 DG509ACJ+ meets industry standards.
7.What is the process for return or replacement of DG509ACJ+?
All DG509ACJ+ units undergo pre-shipment inspection (PSI). If there is an issue with DG509ACJ+, 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 DG509ACJ+ part is unused and in its original packaging.
Return procedure for DG509ACJ+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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