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DG408AK
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Product Detailed Parameters
- Description：IC MUX 8:1 100OHM 16DIP
- Series：-
- Mfr：Vishay Siliconix
- Package：Tube
- Switch Circuit：-
- Multiplexer/Demultiplexer Circuit：8:01
- On-State Resistance (Max)：100Ohm
- Channel-to-Channel Matching (ΔRon)：15Ohm (Max)
- Voltage - Supply, Single (V+)：13V ~ 44V
- Voltage - Supply, Dual (V±)：±7V ~ 22V
- Switch Time (Ton, Toff) (Max)：150ns, 150ns
- -3db Bandwidth：-
- Charge Injection：20pC
- Channel Capacitance (CS(off), CD(off))：3pF, 26pF
- Current - Leakage (IS(off)) (Max)：500pA
- Crosstalk：-
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Through Hole
- Package / Case：16-DIP (0.300", 7.62mm)
- Supplier Device Package：16-DIP
- Number of Circuits：1
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Overview
The DG408AK is a high-performance CMOS analog multiplexer manufactured by Analog Devices under the Maxim Integrated brand, part of the DG408 series. It features an 8-channel single-ended configuration with a 16-pin ceramic dual in-line package (CDIP). The device operates on supply voltages ranging from 4.5 V to 30 V, supporting both single and dual supply modes up to ±20 V. Key electrical parameters include a maximum on-resistance of 100 Ω, a propagation delay of 250 ns, and a power dissipation rating of 800 mW. It functions within an extended temperature range of -55°C to +125°C and draws a maximum supply current of 500 µA.
Feature Summary
- Break-before-make switching action prevents momentary crosstalk between adjacent channels during transitions.
- TTL-compatible logic inputs allow direct interfacing with standard digital control systems.
- Extended industrial temperature range supports operation in harsh environmental conditions.
Applications
- Data acquisition systems requiring multi-channel signal routing
- Industrial process control instrumentation
- Medical equipment signal conditioning
Procurement Notes
Verify manufacturer origin as Analog Devices/Maxim Integrated for this specific suffix. Confirm CDIP-16 packaging and military-grade temperature ratings match design requirements. Check RoHS compliance status as indicated in distributor specifications. Validate supply voltage limits against circuit design constraints before integration.
Selection Notes
Select this component when extended temperature stability (-55°C to +125°C) and ceramic packaging durability are required. Compare on-resistance and propagation delay against lower-cost plastic variants if thermal performance is not critical. Ensure supply voltage does not exceed 30 V single or ±20 V dual limits.
Part Context
The DG408AK belongs to the broader DG408 family of CMOS analog multiplexers originally developed by Maxim Integrated and now produced by Analog Devices. This specific variant utilizes a hermetic ceramic package suitable for high-reliability applications. It shares functional compatibility with other DG408 series parts but differs in packaging material and operating temperature range compared to commercial plastic versions.
Replacement Considerations
DG408DJ-E3 offers similar functionality in a PDIP-16 package but lacks the extended temperature range. DG408DQ-T1-E3 provides surface mount options in TSSOP-16. Verify pinout compatibility and thermal characteristics when substituting plastic packages for ceramic ones.
