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ADG444BRZ-REEL is listed in the Analog Switches, Multiplexers, Demultiplexers range at ChipApex. The manufacturer field lists Analog Devices Inc.. Its product description is IC SWITCH SPST-NCX4 70OHM 16SOIC. Review the specifications below when checking this part for your BOM.
The ADG444BRZ-REEL is a monolithic CMOS quad single-pole single-throw (SPST) analog switch from Analog Devices, fabricated on an enhanced LC2MOS process. It features four independently selectable switches with low on-resistance and fast switching speeds. The device requires a dedicated 5 V logic power supply applied to the VL pin for control input operation. It supports both single-supply and dual-supply configurations, offering extended signal ranges up to the supply rails. Key electrical parameters include a maximum on-resistance of 70 Ω at +25°C, a maximum ΔRON of 9 Ω, and a maximum RON match of 3 Ω. Switching times are specified with a maximum tON of 110 ns and tOFF of 60 ns under dual-supply conditions. Leakage currents are limited to 3 nA maximum.
Verify that the component matches the specific ADG444 variant requiring an external 5 V logic supply on the VL pin, distinct from the internally generated logic of the ADG441/ADG442. Confirm RoHS compliance status indicated by the Z suffix in the ordering guide. Ensure the reel packaging format aligns with automated assembly requirements.
Select this part when a dedicated 5 V logic interface is available or required, as it lacks the internal voltage generator found in the ADG441/ADG442. Consider the 70 Ω typical on-resistance and 110 ns switching speed for signal integrity requirements. Verify that the SOIC-16 package dimensions fit the PCB layout constraints.
The ADG444BRZ-REEL belongs to the ADG441/ADG442/ADG444 family of LC2MOS quad SPST switches. It serves as a plug-in replacement for legacy DG444 devices. The BRZ-REEL designation indicates a RoHS-compliant version packaged in a tape-and-reel format for surface-mount assembly.
Public confirmed substitute part numbers: ADG444BRZ, ADG444BR-REEL.
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