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DG409EJ
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Product Detailed Parameters
- Description：IC SWITCH 4PST X 2 100OHM 16DIP
- Series：-
- Mfr：Harris Corporation
- Package：Bulk
- Switch Circuit：-
- Multiplexer/Demultiplexer Circuit：4:01
- On-State Resistance (Max)：100Ohm
- Channel-to-Channel Matching (ΔRon)：15Ohm
- Voltage - Supply, Single (V+)：15V
- Voltage - Supply, Dual (V±)：±15V
- 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 (Typ)
- Crosstalk：-
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Through Hole
- Package / Case：16-DIP (0.300", 7.62mm)
- Supplier Device Package：16-PDIP
- Number of Circuits：2
- Grade：-
- Qualification：-
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Overview
The DG409EJ is a dual 4:1 analog multiplexer manufactured by Harris Corporation, belonging to the DG4xx series. It features two independent channels, each switching four inputs to a single output based on binary address lines. The device utilizes CMOS technology and operates within a supply voltage range of 5 V to 36 V. It supports dual power supplies up to ±20 V. Key electrical characteristics include a maximum on-resistance of 100 Ohms, a typical off-isolation of -75 dB, and propagation delays around 160 ns. The component is housed in a ceramic DIP-16 package suitable for high-reliability applications.
Feature Summary
- Dual configuration providing two independent 4-to-1 multiplexing paths
- CMOS construction ensuring low power consumption and high input impedance
- Wide single or dual supply voltage operation capability
- High off-isolation performance for effective signal separation
Applications
- Data acquisition systems requiring multi-channel signal selection
- Audio and video routing equipment
- Automatic test equipment for signal path switching
- Sample and hold circuits in measurement instrumentation
Procurement Notes
Verify the specific manufacturer source, as Harris Corporation's semiconductor assets were acquired by Intersil and subsequently Renesas. Confirm whether the part is an original Harris production unit or a successor brand equivalent. Check for RoHS compliance status, as older Harris parts may not meet current environmental standards. Ensure the ceramic DIP-16 package matches the required form factor for the target application.
Selection Notes
Select this component when dual independent multiplexing is required within a single package. Compare against the ADG409 for potential upgrades offering improved LC2MOS performance. Verify that the 100 Ohm on-resistance meets the signal integrity requirements of the specific application. Ensure the operating temperature range aligns with the system environment, noting the industrial grade specifications typical for this series.
Part Context
The DG409EJ is part of the DG4xx family of analog switches developed by Harris Corporation. This series was widely used in industrial and military applications before the company's acquisition. The 'E' suffix typically denotes an extended temperature range or specific reliability screening, while 'J' indicates the ceramic DIP package. These devices are legacy components often replaced by modern equivalents from Renesas or Vishay.
Replacement Considerations
The ADG409 is documented as a direct replacement for the DG409 series, offering enhanced LC2MOS technology. Verify pin compatibility and electrical parameter equivalence before substitution. Consider the DG409DQ-T1-E3 for surface mount alternatives if layout changes are permissible.
