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Product Detailed Parameters
- Description：IC SWITCH SP8T 200OHM 16SOIC
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR),Cut Tape (CT)
- Switch Circuit：SP8T
- Multiplexer/Demultiplexer Circuit：8:01
- On-State Resistance (Max)：200Ohm
- Channel-to-Channel Matching (ΔRon)：2.4Ohm
- Voltage - Supply, Single (V+)：10V ~ 36V
- Voltage - Supply, Dual (V±)：±5V ~ 18V
- Switch Time (Ton, Toff) (Max)：210ns, 191ns
- -3db Bandwidth：-
- Charge Injection：2pC
- Channel Capacitance (CS(off), CD(off))：5pF, 15pF
- Current - Leakage (IS(off)) (Max)：1nA
- Crosstalk：-96dB @ 1MHz
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：16-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：16-SOIC
- Number of Circuits：1
- Grade：-
- Qualification：-
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Overview
The PS509WEX is a CMOS analog multiplexer from Diodes Incorporated, housed in a 16-pin SOIC package. It provides four differential channels or two dual single-ended channels. The device supports a wide supply range of ±5V to ±18V for dual supplies and 10V to 36V for single supplies. Key electrical parameters include a maximum on-resistance of 170Ω at 25°C, an input leakage current of 1nA, and a charge injection of 0.9pC. The output off-capacitance is specified at 20pF, with a transition time of 171ns. Operating temperatures range from -40°C to +125°C.
Feature Summary
- Supports both differential 4:1 and dual 4:1 single-ended channel configurations
- Compatible with symmetric, unsymmetric, and single power supply architectures
- Features rail-to-rail signal handling capabilities
- Includes break-before-make switching action to prevent signal shorting
Applications
- Factory automation and industrial process controls
- Programmable logic controllers (PLC)
- Analog input modules
- ATE test equipment
- Digital multimeters
Procurement Notes
Verify the specific ordering suffix 'WEX' corresponds to the 16-pin SOIC tape and reel packaging configuration. Confirm that the component meets RoHS compliance standards and lead-free requirements as defined by the manufacturer's green product definitions. Ensure the procurement source is authorized to guarantee authenticity and traceability.
Selection Notes
Select the PS509WEX when differential signal routing or dual single-ended multiplexing is required within a 36V system. This part is suitable for applications demanding low charge injection and high off-isolation. Verify that the logic voltage levels meet the TTL-compatible thresholds required for the address and enable pins.
Part Context
The PS509WEX belongs to the PS508/PS509 family of precision analog multiplexers manufactured by Diodes Incorporated. While the PS508 variant offers eight single-ended channels, the PS509 focuses on differential or dual-channel applications. Both devices share identical pinouts and operational characteristics regarding supply ranges and switching dynamics.
Replacement Considerations
Direct replacements must match the 16-pin SOIC footprint and support differential or dual single-ended topologies. Verify that substitute components offer comparable on-resistance and leakage specifications. Cross-reference datasheets to ensure equivalent supply voltage tolerances and logic compatibility.
