DG418DY

$1.31

Description：IC SWITCH SPST-NOX1 35OHM 8SOIC
Series：-

SKU:eb81beee4c18 Category: Analog Switches, Multiplexers, Demultiplexers Brand: Analog Devices Inc./Maxim Integrated

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Product introduction

Product Detailed Parameters

Description：IC SWITCH SPST-NOX1 35OHM 8SOIC
Series：-
Mfr：Analog Devices Inc./Maxim Integrated
Package：Tube
Switch Circuit：SPST - NO
Multiplexer/Demultiplexer Circuit：1:01
On-State Resistance (Max)：35Ohm
Channel-to-Channel Matching (ΔRon)：3Ohm (Max)
Voltage - Supply, Single (V+)：10V ~ 30V
Voltage - Supply, Dual (V±)：±4.5V ~ 20V
Switch Time (Ton, Toff) (Max)：175ns, 145ns
-3db Bandwidth：-
Charge Injection：3pC
Channel Capacitance (CS(off), CD(off))：8pF, 8pF
Current - Leakage (IS(off)) (Max)：250pA
Crosstalk：-85dB @ 1MHz
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：8-SOIC (0.154", 3.90mm Width)
Supplier Device Package：8-SOIC
Number of Circuits：1

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DG418DY

Overview

The DG418DY is a single-pole/single-throw (SPST) precision CMOS analog switch manufactured by Analog Devices Inc./Maxim Integrated. It operates from a single +10V to +30V supply or bipolar ±4.5V to ±20V supplies. Key electrical parameters include a maximum on-resistance of 35Ω, guaranteed on-resistance matching of 3Ω, and on-resistance flatness of 4Ω. The device features a maximum turn-on time of 175ns and turn-off time of 145ns. It supports an analog signal range up to the supply rails, with low off-leakage current below 5nA at +85°C and charge injection of 10pC maximum. The component is housed in an 8-SOIC package and functions within a temperature range of -40°C to +85°C.

Feature Summary

Guaranteed on-resistance matching between channels for improved signal integrity
Low power consumption suitable for battery-operated systems
High electrostatic discharge tolerance per Method 3015.7
TTL/CMOS logic compatible control interface

Applications

Sample-and-Hold Circuits
Communications Systems
Test Equipment
Battery-Operated Systems
Audio Signal Routing

Procurement Notes

Verify the specific suffix 'DY' confirms the industrial temperature range (-40°C to +85°C) and SOIC-8 surface-mount package configuration. Confirm RoHS compliance status as manufacturing processes may vary. Ensure the source document explicitly lists this part number to validate authenticity before procurement.

Selection Notes

Select the DG418DY when a normally open SPST configuration is required. Compare against DG417 if a normally closed switch is needed, or DG419 for SPDT functionality. Verify that the 35Ω on-resistance and 175ns switching speed meet the circuit requirements. Ensure the bipolar or single-supply voltage ranges align with the system design constraints.

Part Context

The DG418DY belongs to the redesigned DG417/DG418/DG419 family of precision CMOS monolithic analog switches. This series improves upon previous generations by offering guaranteed on-resistance matching and flatness over the signal range. The DG418 specifically provides the normally open SPST topology within this enhanced performance family.