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Analog Devices Inc./Maxim Integrated DG408AK/883B
- Part No.:
- DG408AK/883B
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-CDIP (0.300", 7.62mm)
- Datasheet:
-
DG408AK/883B.pdf
- Description:
- IC MUX 8:1 100OHM 16CERDIP
- Quantity:
- Payment:
- Shipping:
Inventory:4,536
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Product details
Overview
DG408AK/883B from Maxim Integrated is a radiation-hardened, high-temperature 1-of-8 CMOS analog multiplexer designed for precision signal routing in harsh environments. It features guaranteed 100Ω max on-resistance, 8Ω max channel-to-channel matching, 15pC max charge injection, ±5V to ±20V dual-supply operation, and operates across -55°C to +125°C. It serves as a pin-compatible MIL-STD-883 qualified upgrade to legacy DG408 devices in guidance systems and space-grade data acquisition.
For engineers reviewing the DG408AK/883B datasheet, DG408AK/883B pinout, DG408AK/883B application, or DG408AK/883B equivalent, key selection criteria include guaranteed on-resistance flatness (9Ω max), rail-to-rail analog signal handling up to ±20V, low input off-leakage (<5nA at +85°C), TTL/CMOS-compatible digital control, and ESD protection >2000V per MIL-STD-883 Method 3015.7.
Technical Context
The DG408AK/883B implements an 8-channel single-pole analog switch with integrated CMOS decoder logic driven by three address lines (A0–A2) and an active-low enable (EN). Its switch architecture delivers bidirectional conduction with matched rDS(ON) across all eight channels under specified supply conditions (±15V typical).
It supports both dual-supply (±5V to ±20V) and single-supply (+5V to +30V) configurations, with V− tied to GND in single-supply mode. Analog signal range extends rail-to-rail (e.g., ±15V with ±15V supplies), and dynamic performance includes 100ns typical enable turn-on time and 225ns typical charge injection delay.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On-Resistance | 100Ω max - ensures minimal signal attenuation and voltage drop in precision analog paths |
| Channel Matching | 8Ω max - guarantees consistent gain and offset across all 8 switched channels |
| Charge Injection | 15pC max - limits sampling error in high-impedance sample-and-hold circuits |
| Analog Signal Range | ±20V max - supports full rail-to-rail operation with ±20V dual supplies |
| Supply Voltage Range | ±5V to ±20V dual or +5V to +30V single - enables flexible power architecture in mixed-signal systems |
| Operating Temp | -55°C to +125°C - qualified for extended-range military and aerospace applications |
| ESD Protection | >2000V per MIL-STD-883 Method 3015.7 - meets stringent electrostatic discharge immunity requirements |
Pinout & Package
DG408AK/883B is supplied in a 16-pin CERDIP (ceramic dual in-line package) with hermetic sealing suitable for high-reliability, high-temperature, and radiation-tolerant applications.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 15, 16 | A0, A1, A2 | Binary address inputs selecting one of eight analog channels (S1–S8) to connect to D |
| 2 | EN | Active-low enable controlling global switch activation; disables all channels when high |
| 3 | V− | Negative supply rail; sets lower bound of analog signal range and bias for internal circuitry |
| 4–7, 9–12 | S1–S4, S5–S8 | Bidirectional analog input terminals; each connects to D when selected via address/enable |
| 8 | D | Common bidirectional analog output/input terminal shared across all 8 channels |
| 13 | V+ | Positive supply rail; sets upper bound of analog signal range and powers internal logic/switches |
| 14 | GND | Ground reference for logic inputs and substrate bias; required for single-supply operation |
Key Features
| Feature | Design Value |
|---|---|
| PIN-COMPATIBLE UPGRADE | Direct replacement for industry-standard DG408 with identical pinout and footprint-no PCB redesign needed |
| RADIATION-HARDENED QUALIFICATION | Processed and tested per MIL-STD-883B requirements including screening, burn-in, and radiation tolerance verification |
| LOW ON-RESISTANCE FLATNESS | 9Ω max variation across full analog signal range-ensures stable gain and linearity in precision instrumentation |
| TTL/CMOS COMPATIBLE CONTROL | Accepts standard logic thresholds (VAL ≤ 0.8V, VAH ≥ 2.4V)-interfacing directly with microcontrollers and FPGAs |
| Rail-to-Rail Signal Handling | Supports analog signals from V− to V+ without clipping-critical for wide-dynamic-range sensor interfaces |
Applications
| Guidance & Control Systems | Spacecraft Data Acquisition |
|---|---|
Use Scenario: Multiplexing inertial sensor outputs (gyros, accelerometers) and telemetry signals in missile guidance units operating under extreme thermal cycling. IC Role / Device Role / Timing Role: Analog multiplexer routing multiple sensor channels to a shared ADC under real-time command decoding. Use Value: Guaranteed 8Ω channel matching preserves relative signal integrity across sensors; -55°C to +125°C operation sustains functionality during launch and orbital extremes. | Use Scenario: Consolidating temperature, pressure, and radiation monitor signals in satellite payload subsystems exposed to vacuum and ionizing radiation. IC Role / Device Role / Timing Role: Radiation-hardened analog switch enabling reliable signal path selection in long-duration missions. Use Value: MIL-STD-883B qualification ensures survivability; 15pC max charge injection minimizes error in low-power, high-impedance sensor front-ends. |
| Avionics Test Equipment | Nuclear Reactor Monitoring |
Use Scenario: Automated test set switching between calibration references and flight-unit analog inputs during bench-level functional verification. IC Role / Device Role / Timing Role: Precision analog mux providing repeatable, low-drift signal routing during automated test sequences. Use Value: 100Ω max on-resistance and <5nA off-leakage at +85°C ensure measurement accuracy and stability over extended test cycles. | Use Scenario: Routing neutron detector and thermocouple signals in reactor core monitoring systems requiring decades-long reliability. IC Role / Device Role / Timing Role: High-temperature analog switch enabling continuous signal conditioning in containment zones. Use Value: Hermetic CERDIP packaging and -55°C to +125°C rating support unattended operation in elevated ambient temperatures and sealed enclosures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD7501KPZ | 16-pin PDIP, 1-of-16 mux, 120Ω max on-resistance, -40°C to +85°C industrial temp grade | Lacks MIL-STD-883B qualification, wider channel count but higher rDS(ON), no guaranteed matching spec | Select only for non-military, non-space applications where extended temperature and radiation tolerance are not required. |
| HI-508AJ | 16-pin CERDIP, 1-of-8 mux, 125Ω max on-resistance, -55°C to +125°C, MIL-STD-883 Class B qualified | Higher on-resistance (125Ω vs. 100Ω), no guaranteed channel matching or flatness specs published | Acceptable for high-temp use where matching and flatness are secondary to rugged packaging and temperature range. |
Compared with AD7501KPZ and HI-508AJ, DG408AK/883B uniquely combines MIL-STD-883B qualification, guaranteed 8Ω channel matching, 9Ω on-resistance flatness, and 15pC charge injection-all within the same 16-pin CERDIP footprint-making it the only option meeting full precision + high-reliability requirements simultaneously.
Availability
DG408AK/883B is available at Aetrix Electronics and suitable for guidance systems, spacecraft data acquisition, avionics test equipment, nuclear monitoring, and high-temperature industrial control requiring stable component supply across extended lifecycle programs.
Supply support for DG408AK/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 precision analog, mixed-signal, and high-reliability semiconductor solutions for demanding industrial, aerospace, and medical applications.
The DG408AK/883B belongs to Maxim's high-performance analog multiplexer product line, engineered specifically for mission-critical systems requiring guaranteed matching, low charge injection, and extended temperature/radiation tolerance.
FAQ
What is the maximum analog signal voltage range supported by DG408AK/883B?
DG408AK/883B supports analog signals from V− to V+, with absolute maximum ratings of ±20V dual supply (i.e., V+ = +20V, V− = −20V) and +30V single supply. The usable analog signal range is rail-to-rail, meaning signals can swing fully between the applied supply rails-for example, ±15V with ±15V supplies. This capability is confirmed in the Electrical Characteristics tables and Typical Operating Characteristics plots in the official DG408/DG409 datasheet.
Is DG408AK/883B pin-compatible with the commercial DG408 series?
Yes, DG408AK/883B is explicitly documented as a pin-compatible plug-in upgrade for industry-standard DG408 devices. Its 16-pin CERDIP footprint matches the mechanical and electrical pinout of DG408CJ, DG408DJ, and DG408DK variants, including identical assignments for A0–A2, EN, V+, V−, GND, D, and S1–S8. This compatibility is stated in the General Description and Pin Description sections of the datasheet.
What does the "/883B" suffix indicate for DG408AK/883B?
The "/883B" suffix indicates that DG408AK/883B is processed and tested per MIL-STD-883B, the U.S. Department of Defense standard for microcircuit testing and qualification. This includes rigorous environmental screening (e.g., temperature cycling, burn-in), electrical testing across full temperature range (−55°C to +125°C), and reliability validation-ensuring suitability for military, aerospace, and other high-assurance applications.
Does DG408AK/883B support single-supply operation?
Yes, DG408AK/883B supports single-supply operation from +5V to +30V. In this configuration, V− must be connected to GND, and the analog signal range extends from 0V to V+. The device maintains full functionality-including address decoding, enable control, and low on-resistance-with verified performance down to +5V, though switching times increase at lower voltages as noted in the Applications Information section.
What is the guaranteed on-resistance matching specification for DG408AK/883B?
DG408AK/883B guarantees on-resistance matching of 8Ω maximum between any two channels under specified conditions (dual ±15V supplies, TA = TMIN to TMAX). This parameter-ΔrDS(ON)-is defined as the difference between the maximum and minimum measured on-resistance values across all eight channels and is explicitly listed in the Electrical Characteristics table for both DG408 and DG409 variants.
DG408AK/883B Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Active
- Switch Circuit:
- -
- Multiplexer/Demultiplexer Circuit:
- 8:1
- Number of Circuits:
- 1
- 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, 26pF
- Current - Leakage (IS(off)) (Max):
- 500pA
- Crosstalk:
- -92dB @ 100kHz
- Operating Temperature:
- -55°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 16-CERDIP
DG408AK/883B FAQ
1.How can I place an order for DG408AK/883B through Aetrix?
Please submit a Request for Quotation (RFQ) for DG408AK/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 DG408AK/883B reliable?
The price and inventory of DG408AK/883B are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DG408AK/883B is usually 5 days.
3.What payment methods are accepted for DG408AK/883B?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DG408AK/883B transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DG408AK/883B?
DG408AK/883B orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DG408AK/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 DG408AK/883B?
For technical support, including DG408AK/883B datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DG408AK/883B requirements.
6.How does Aetrix verify that DG408AK/883B is sourced from the original manufacturer or authorized distributors?
All DG408AK/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 DG408AK/883B meets industry standards.
7.What is the process for return or replacement of DG408AK/883B?
All DG408AK/883B units undergo pre-shipment inspection (PSI). If there is an issue with DG408AK/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 DG408AK/883B part is unused and in its original packaging.
Return procedure for DG408AK/883B:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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