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DG509ACWE+T
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Product Detailed Parameters
- Description：IC SWITCH SP4T X 2 450OHM 16SOIC
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tape & Reel (TR)
- Switch Circuit：SP4T
- Multiplexer/Demultiplexer Circuit：4:01
- On-State Resistance (Max)：450Ohm
- Channel-to-Channel Matching (ΔRon)：27Ohm
- Voltage - Supply, Single (V+)：-
- Voltage - Supply, Dual (V±)：±4.5V ~ 18V
- Switch Time (Ton, Toff) (Max)：1.5µs, 1µs
- -3db Bandwidth：-
- Charge Injection：-
- Channel Capacitance (CS(off), CD(off))：5pF, 12pF
- Current - Leakage (IS(off)) (Max)：1nA
- Crosstalk：-
- Operating Temperature：0°C ~ 70°C (TA)
- Mounting Type：Surface Mount
- Package / Case：16-SOIC (0.295", 7.50mm Width)
- Supplier Device Package：16-SOIC
- Number of Circuits：2
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Overview
The DG509ACWE+T is a monolithic CMOS analog multiplexer manufactured by Analog Devices Inc./Maxim Integrated. It features two differential 4-channel (2-of-8) switching configurations within a single package. The device supports dual power supplies ranging from ±4.5V to ±18V and operates within an industrial temperature range of 0°C to +70°C. It utilizes a 28-pin Wide SOIC surface-mount package. Key electrical characteristics include break-before-make switching action, guaranteed latch-up immunity during power-off conditions with active input signals, and low charge injection for signal integrity.
Feature Summary
- Supports differential 2-of-8 multiplexing architecture
- Guaranteed break-before-make switching prevents signal glitches
- Immune to latch-up when powered down with inputs active
- Compatible with standard TTL or CMOS logic control levels
Applications
- Data acquisition systems requiring differential signal routing
- Industrial process control instrumentation
- Medical equipment signal conditioning chains
- Test and measurement instrument front ends
Procurement Notes
Verify the specific suffix 'ACWE+T' against official manufacturer documentation to confirm the commercial grade temperature rating and tape-and-reel packaging format. Ensure the component meets RoHS compliance requirements as indicated by the plus sign in the part number. Cross-reference the datasheet revision date to validate current manufacturing status and any potential obsolescence notices prior to procurement.
Selection Notes
Select this component when differential signal isolation is required in compact designs. The 28-pin SOIC package offers a balance between channel density and pin pitch accessibility. Verify that the supply voltage range aligns with system rails. Consider the thermal dissipation capabilities of the SOIC package if operating near maximum temperature limits. Confirm logic compatibility with the host microcontroller interface.
Part Context
This part belongs to the Maxim DG508A/DG509A family of high-performance analog multiplexers. It serves as a specialized variant designed for applications needing multiple differential channels in a single integrated circuit. The family is known for robust performance in noisy environments and reliable operation across varying supply voltages, making it suitable for precision analog signal routing tasks.
Replacement Considerations
Publicly confirmed substitutes include the DG509ACWI+ and DG509ACW+. Verify pinout compatibility and package dimensions before substitution. Check datasheets for differences in on-resistance or leakage currents. Ensure the replacement maintains the same differential 2-of-8 configuration and latch-up protection specifications.
