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DG459DJ-E3
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Product Detailed Parameters
- Description：IC SWITCH SP4T X 2 1.5KOHM 16DIP
- Series：-
- Mfr：Vishay Siliconix
- Package：Bulk
- Switch Circuit：SP4T
- Multiplexer/Demultiplexer Circuit：4:01
- On-State Resistance (Max)：1.5kOhm
- Channel-to-Channel Matching (ΔRon)：90Ohm
- Voltage - Supply, Single (V+)：-
- Voltage - Supply, Dual (V±)：±4.5V ~ 18V
- Switch Time (Ton, Toff) (Max)：250ns, 250ns
- -3db Bandwidth：-
- Charge Injection：-
- Channel Capacitance (CS(off), CD(off))：5pF, 10pF
- Current - Leakage (IS(off)) (Max)：1nA
- Crosstalk：-
- Operating Temperature：-40°C ~ 85°C (TA)
- 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 DG459DJ-E3 is a fault-protected analog multiplexer manufactured by Vishay Siliconix. It features four differential channels and operates within a supply voltage range of ±4.5 V to ±18 V. The device provides continuous overvoltage protection up to ±35 V on all inputs, regardless of power state. Key electrical parameters include a maximum on-resistance of 180 Ω at ±5 V supplies, a transition time of 200 ns, and an off-isolation of 90 dB at 100 kHz. It utilizes a 16-pin Plastic DIP package and supports an operating temperature range from -40 °C to +85 °C.
Feature Summary
- Incorporates series n-p-n MOSFET structure for fault and overvoltage protection
- Ensures all channels turn off automatically when power is removed
- Provides break-before-make switching to prevent adjacent channel crosstalk
- Features latchup-proof design compatible with TTL and CMOS logic
Applications
- Data acquisition systems
- Industrial process control systems
- Avionics test equipment
- High-reliability control systems
- Telemetry applications
Procurement Notes
Verify the component against the official Vishay datasheet Document Number 70064 to confirm pinout and specifications. Ensure the ordering suffix matches the required plastic DIP package variant. Check for RoHS compliance status as indicated in the manufacturer's documentation before finalizing procurement orders.
Selection Notes
Select this part for designs requiring high-voltage input tolerance without external protection circuitry. The DG459 is suitable for differential signal routing where channel isolation is critical. Verify that the system supply voltages remain within the specified ±4.5 V to ±18 V operational limits to ensure proper functionality.
Part Context
This component belongs to the DG458/DG459 family of fault-protected analog multiplexers. It serves as an improved pin-compatible replacement for legacy HI-508A/509A and MAX358/359 devices. The DG459 specifically handles four differential channels, distinguishing it from the single-ended eight-channel DG458 configuration.
Replacement Considerations
Publicly confirmed pin-compatible replacements include the HI-508A/509A and MAX358/359 multiplexers. Verify functional equivalence regarding overvoltage ratings and switching speeds when substituting these legacy parts.
