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Product Detailed Parameters
- Description：IC SWITCH SPDT X 1 18OHM 8SOIC
- Series：-
- Mfr：Diodes Incorporated
- Package：Bag
- Switch Circuit：SPDT
- Multiplexer/Demultiplexer Circuit：2:01
- On-State Resistance (Max)：18Ohm
- Channel-to-Channel Matching (ΔRon)：800mOhm
- Voltage - Supply, Single (V+)：2V ~ 6V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：20ns, 10ns
- -3db Bandwidth：200MHz
- Charge Injection：3pC
- Channel Capacitance (CS(off), CD(off))：13pF, 45pF
- Current - Leakage (IS(off)) (Max)：80nA
- Crosstalk：-
- 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
- Grade：-
- Qualification：-
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Overview
The PI5A319AW is a single-pole double-throw (SPDT) analog switch manufactured by Diodes Incorporated in an 8-pin narrow body SOIC package. It operates on a single supply voltage ranging from +2V to +6V, with typical specifications measured at +5V and +3.3V. Key electrical parameters include a typical on-resistance of 8 ohms and a maximum of 18 ohms at +5V. The device features a wide -3dB bandwidth of 170 MHz, low charge injection of 4pC, and fast switching times with a typical turn-on time of 10ns. It supports high-current channel capability exceeding 100mA and maintains low off-isolation of -72dB at 1MHz.
Feature Summary
- Single-supply operation compatible with standard logic levels
- High precision with low on-resistance for minimal signal distortion
- Wide bandwidth suitable for audio and video signal routing
- Low charge injection reduces glitch errors during switching
Applications
- Audio and video switching and routing systems
- Battery-powered communication equipment
- Computer peripheral interfaces
- Telecommunications signal processing
- Portable instrumentation devices
Procurement Notes
Verify the specific ordering suffix 'W' corresponds to the 8-pin narrow body SOIC package configuration as documented in the manufacturer's ordering information. Confirm that the component meets the required industrial temperature range specifications of -40°C to +85°C for the intended application environment before finalizing procurement decisions.
Selection Notes
Select this component when a single-pole double-throw configuration is required for analog signal paths. Ensure the system supply voltage falls within the +2V to +6V operational range. Consider the 170 MHz bandwidth and 8-ohm on-resistance characteristics for applications demanding low distortion and high-speed signal integrity in compact surface-mount designs.
Part Context
This part belongs to the PI5A317A/318A/319A family of precision wide bandwidth analog switches. While the PI5A317A offers a normally closed SPST function and the PI5A318A provides a normally open SPST function, the PI5A319AW specifically delivers SPDT switching capabilities. All variants share pin compatibility and similar electrical performance profiles within the same package type.
Replacement Considerations
Public documentation indicates pin-compatible replacements such as the DG41X and MAX31X series. Verify that substitute components match the required SPDT topology and meet the specific on-resistance and bandwidth requirements of the original design.
