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Analog Devices Inc./Maxim Integrated DG509AAK/883B
- Part No.:
- DG509AAK/883B
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-CDIP (0.300", 7.62mm)
- Datasheet:
-
DG509AAK/883B.pdf
- Description:
- IC SWITCH SP4T X 2 400OHM 16CDIP
- Quantity:
- Payment:
- Shipping:
Inventory:2,541
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Product details
Overview
DG509AAK/883B from Maxim Integrated is a monolithic CMOS differential 4-channel (2-of-8) analog multiplexer designed for high-reliability signal routing in extreme-temperature environments. It operates from ±4.5V to ±18V supplies, guarantees break-before-make switching, supports symmetrical bidirectional analog signal flow up to ±15V, and features <0.5nA max drain off-leakage at +25°C - making it suitable for precision data-acquisition systems in aerospace and military platforms.
For engineers reviewing the DG509AAK/883B datasheet, DG509AAK/883B pinout, DG509AAK/883B application, or DG509AAK/883B equivalent, key selection criteria include its CERDIP-16 hermetic package, -55°C to +125°C operating range, TTL/CMOS-compatible logic inputs, latchup-proof construction, and verified performance under dual-supply analog switching with ≤1.0μs transition time.
Technical Context
The DG509AAK/883B implements a fully decoded 2-bit address logic (A0/A1) to select one of four differential channel pairs (S1A/S1B through S4A/S4B), with independent enable (EN) control. Its internal CMOS switch architecture ensures matched on-resistance across channels and maintains signal integrity for ±15V analog swing without rail-to-rail limitation.
Designed for MIL-STD-883 Class B screening, the DG509AAK/883B delivers guaranteed operation over full military temperature range while maintaining <6% RDS(ON) variation between channels and >68dB off-isolation at 500kHz - critical for low-crosstalk multiplexing in avionics sensor interfaces and flight-control data loggers.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Analog Signal Range | ±15V - supports full-scale bipolar signals without clipping in industrial and aerospace sensor front-ends |
| Drain-Source On-Resistance | 500Ω typ - enables low-gain error in precision instrumentation amplifier signal paths |
| RDS(ON) Matching | ≤6% max variation - ensures consistent gain and offset across selected differential channels |
| Off-Leakage Current | ±0.5nA max (ID(OFF), IS(OFF)) - preserves accuracy in high-impedance data-acquisition sampling nodes |
| Switching Transition Time | 1.0μs max - meets timing requirements for multiplexed ADC sampling at up to ~500ksps aggregate rate |
| Break-Before-Make Interval | 0.2μs - prevents momentary shorting between differential channel pairs during address changes |
| Supply Voltage Range | ±4.5V to ±18V - allows direct integration with legacy ±12V or ±15V avionics power rails |
Pinout & Package
Package: 16-pin CERDIP (J16-3), hermetically sealed ceramic dual-in-line, qualified per MIL-STD-883B for high-reliability applications.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 16 | A0, A1 | 2-bit binary address inputs selecting one of four differential channel pairs (S1A/S1B–S4A/S4B) |
| 2 | EN | Active-high enable controlling all switches; disables all channels when low |
| 3 | V− | Negative supply rail input; must be connected for proper switch biasing and leakage control |
| 4–7 | S1A–S4A | Positive-side analog inputs/outputs of four differential channel pairs; bidirectional |
| 8, 9 | DA, DB | Differential analog outputs/inputs; DA connects to selected SxA, DB to corresponding SxB |
| 10–13 | S4B–S1B | Negative-side analog inputs/outputs of four differential channel pairs; bidirectional |
| 14 | V+ | Positive supply rail input; establishes upper analog voltage limit and switch threshold |
| 15 | GND | Signal reference ground; required for logic interface and internal bias network stability |
Key Features
| Feature | Design Value |
|---|---|
| Latchup-proof CMOS process | Guarantees no destructive latchup even with input signals present during power-off - essential for hot-swap avionics subsystems |
| Break-before-make switching | 0.2μs minimum dead time prevents transient shorting between differential channels during reconfiguration |
| TTL/CMOS-compatible logic | Accepts standard 0.8V/2.4V logic thresholds without level-shifting - simplifies interface with FPGA or microcontroller GPIO |
| Hermetic CERDIP packaging | Provides moisture resistance and long-term reliability in high-vibration, wide-temperature military environments |
| ±4.5V to ±18V dual-supply operation | Eliminates need for external charge pumps or regulators in legacy ±12V/±15V systems |
Applications
| Aircraft Heads-Up Display (HUD) Signal Routing | Data-Acquisition System Channel Multiplexing |
|---|---|
|
Use Scenario: Routing synchronized analog video and symbol generator signals between multiple HUD projectors and display processors in fighter aircraft cockpits. IC Role / Device Role / Timing Role: Differential 4-channel analog multiplexer enabling real-time selection of redundant video sources with sub-microsecond switching. Use Value: Maintains signal fidelity across ±12V video swing and prevents crosstalk-induced ghosting via >68dB off-isolation at 500kHz. |
Use Scenario: Sequential sampling of 8-channel thermocouple and strain-gauge sensor arrays in airborne structural health monitoring units. IC Role / Device Role / Timing Role: Dual-path analog switch providing matched gain and offset across differential sensor pairs before ADC conversion. Use Value: ≤6% RDS(ON) matching minimizes channel-to-channel gain error; <0.5nA leakage preserves nanovolt-level resolution. |
| Flight Control Surface Position Feedback | Military Radar Receiver IF Signal Switching |
|
Use Scenario: Multiplexing resolver-to-digital converter outputs from multiple control surface actuators (elevator, rudder, aileron) into a centralized flight computer. IC Role / Device Role / Timing Role: High-reliability differential mux handling ±11V sine/cosine resolver signals with guaranteed operation at −55°C. Use Value: CERDIP-16 package and MIL-STD-883B qualification ensure survivability in sustained high-G and thermal cycling environments. |
Use Scenario: Selecting between multiple radar receiver IF paths (e.g., L-band vs. S-band) prior to digitization in electronic warfare systems. IC Role / Device Role / Timing Role: Low-leakage, low-capacitance analog switch preserving signal-to-noise ratio in 10–100MHz IF bands. Use Value: 5pF source off-capacitance and 12pF drain off-capacitance minimize loading-induced phase distortion in coherent IF chains. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar differential analog multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| HI-509AJ | Same CERDIP-16 package and −55°C to +125°C rating; higher RDS(ON) (750Ω typ) and lower off-isolation (60dB) | Less suitable for precision low-distortion IF routing; acceptable for lower-speed control signal switching | Prefer DG509AAK/883B where <500Ω on-resistance and >68dB isolation are required |
| ADG509ATQ | SOIC-16, −40°C to +125°C; lower leakage (0.1nA typ) but narrower supply range (±5V to ±16.5V); not MIL-qualified | Better for commercial high-precision DAQ; lacks hermetic sealing and MIL-STD-883B screening | Choose DG509AAK/883B for aerospace deployments requiring radiation-hardened, screened, and hermetic reliability |
Compared with HI-509AJ and ADG509ATQ, the DG509AAK/883B uniquely combines MIL-STD-883B Class B screening, hermetic CERDIP packaging, guaranteed ±15V analog range, and <1.0μs switching - making it the only option qualified for flight-critical signal routing in extended-temperature military platforms.
Availability
DG509AAK/883B is available at Aetrix Electronics and suitable for aircraft heads-up displays, flight control feedback systems, airborne data-acquisition units, and radar IF signal routing requiring stable component supply across extended temperature and long lifecycle programs.
Supply support for DG509AAK/883B 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 demanding industrial, automotive, and aerospace applications.
The DG509AAK/883B belongs to Maxim's legacy high-reliability analog multiplexer product line, engineered specifically for military and space-grade signal routing where latchup immunity, wide supply range, and hermetic packaging are mandatory.
FAQ
What is the maximum analog signal voltage supported by the DG509AAK/883B?
The DG509AAK/883B supports an analog signal range of ±15V when operated with ±15V supplies. This is specified in the Absolute Maximum Ratings and Electrical Characteristics tables, and applies across the full −55°C to +125°C operating temperature range. Operation outside this range risks exceeding internal clamp diode limits and degrading long-term reliability.
Does the DG509AAK/883B require external pull-up or pull-down resistors on its logic inputs?
No, the DG509AAK/883B does not require external pull-up or pull-down resistors on A0, A1, or EN. Its TTL/CMOS-compatible inputs draw less than ±30μA over temperature, and internal design ensures valid logic thresholds (0.8V low, 2.4V high) are met directly from FPGA or microcontroller GPIO without added components.
Is the DG509AAK/883B pin-compatible with the standard DG509A commercial version?
Yes, the DG509AAK/883B shares identical pin configuration and function mapping with the commercial DG509A (e.g., DG509ACJ, DG509ADY), including A0/A1 address inputs, EN enable, V+/V− supplies, GND, and all SxA/SxB/DA/DB terminals. The CERDIP-16 footprint matches J16-3 mechanical outline, enabling drop-in replacement in qualified designs.
What is the typical drain-source on-resistance of the DG509AAK/883B at full temperature range?
At TMIN to TMAX (−55°C to +125°C), the DG509AAK/883B exhibits a typical drain-source on-resistance (RDS(ON)) of 500Ω, with a maximum of 550Ω. This value is measured under VA_L = 0.8V and VA_H = 2.4V logic conditions, and reflects stable conduction performance across the full military temperature envelope.
Can the DG509AAK/883B operate from a single +5V supply?
No, the DG509AAK/883B requires dual ±4.5V to ±18V supplies and cannot operate from a single +5V rail. Its internal CMOS switch architecture depends on symmetric or asymmetric dual supplies to bias the transmission gates correctly. For single-supply 5V operation, Maxim recommends the MAX339 instead.
DG509AAK/883B 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):
- 400Ohm
- Channel-to-Channel Matching (ΔRon):
- 24Ohm
- Voltage - Supply, Single (V+):
- -
- Voltage - Supply, Dual (V±):
- ±4.5V ~ 18V
- Switch Time (Ton, Toff) (Max):
- 1µs, 700ns
- -3db Bandwidth:
- -
- Charge Injection:
- -
- Channel Capacitance (CS(off), CD(off)):
- 5pF, 12pF
- Current - Leakage (IS(off)) (Max):
- 500pA
- Crosstalk:
- -
- Operating Temperature:
- -55°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 16-CDIP
DG509AAK/883B FAQ
1.How can I place an order for DG509AAK/883B through Aetrix?
Please submit a Request for Quotation (RFQ) for DG509AAK/883B 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 DG509AAK/883B reliable?
The price and inventory of DG509AAK/883B are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DG509AAK/883B is usually 5 days.
3.What payment methods are accepted for DG509AAK/883B?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DG509AAK/883B transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DG509AAK/883B?
DG509AAK/883B orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DG509AAK/883B 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 DG509AAK/883B?
For technical support, including DG509AAK/883B datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DG509AAK/883B requirements.
6.How does Aetrix verify that DG509AAK/883B is sourced from the original manufacturer or authorized distributors?
All DG509AAK/883B 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 DG509AAK/883B meets industry standards.
7.What is the process for return or replacement of DG509AAK/883B?
All DG509AAK/883B units undergo pre-shipment inspection (PSI). If there is an issue with DG509AAK/883B, 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 DG509AAK/883B part is unused and in its original packaging.
Return procedure for DG509AAK/883B:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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