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DG441CY+T
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Product Detailed Parameters
- Description：IC SWITCH SPST-NCX4 85OHM 16SOIC
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tape & Reel (TR),Cut Tape (CT)
- Switch Circuit：SPST - NC
- Multiplexer/Demultiplexer Circuit：1:01
- On-State Resistance (Max)：85Ohm
- Channel-to-Channel Matching (ΔRon)：4Ohm (Max)
- Voltage - Supply, Single (V+)：10V ~ 30V
- Voltage - Supply, Dual (V±)：±4.5V ~ 20V
- Switch Time (Ton, Toff) (Max)：250ns, 120ns
- -3db Bandwidth：-
- Charge Injection：5pC
- Channel Capacitance (CS(off), CD(off))：4pF, 4pF
- Current - Leakage (IS(off)) (Max)：500pA
- Crosstalk：-100dB @ 1MHz
- Operating Temperature：0°C ~ 70°C (TA)
- Mounting Type：Surface Mount
- Package / Case：16-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：16-SOIC
- Number of Circuits：4
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Overview
The DG441CY+T is a quad single-pole single-throw normally-closed analog switch manufactured by Analog Devices Inc. under the Maxim Integrated brand. It operates within a supply voltage range of 10V to 30V for single supplies or ±4.5V to ±20V for dual supplies. The device features a maximum on-resistance of 85 Ohms, with switching times of 250ns (Ton) and 120ns (Toff). Key electrical characteristics include a charge injection of 5pC, channel capacitance of 4pF, and leakage current of 500pA. It is housed in a 16-SOIC surface-mount package and supports an operating temperature range of 0°C to 70°C.
Feature Summary
- Quad SPST configuration providing four independent signal paths
- Normally-closed circuit topology for default signal continuity
- Low charge injection capability for high-fidelity signal integrity
- Surface-mount packaging optimized for automated assembly
Applications
- Signal routing in data acquisition systems
- Multiplexing sensor inputs in industrial instrumentation
- Audio signal path switching in consumer electronics
- Test and measurement equipment signal conditioning
Procurement Notes
Verify the specific suffix 'T' indicates tape-and-reel packaging when sourcing components. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure the selected distributor provides traceable origin data matching the Analog Devices/Maxim Integrated branding to avoid counterfeit risks during procurement.
Selection Notes
Select this component when a normally-closed state is required for multiple independent channels. Compare against the DG411 series if lower on-resistance or extended temperature ranges are necessary. Verify that the 85 Ohm resistance and 500pA leakage meet system requirements before finalizing the design choice.
Part Context
This part belongs to the DG441 family of improved quad SPST analog switches. It shares functional similarities with other members like the DG441DJ+, differing primarily in package type and manufacturing lot specifications. The '+T' designation specifically identifies the reel packaging format for surface-mount technology applications.
Replacement Considerations
The DG441DJ+ serves as a pin-compatible alternative in a 16-PDIP through-hole package. Designers requiring different thermal profiles or mounting styles should verify mechanical fitment before substitution.
