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Product Detailed Parameters
- Description：IC SWITCH SPST-NCX4 45OHM 16DIP
- Series：-
- Mfr：Diodes Incorporated
- Package：Tray
- Switch Circuit：SPST - NC
- Multiplexer/Demultiplexer Circuit：1:01
- On-State Resistance (Max)：45Ohm
- Channel-to-Channel Matching (ΔRon)：500mOhm
- Voltage - Supply, Single (V+)：3V ~ 15V
- Voltage - Supply, Dual (V±)：±3V ~ 8V
- Switch Time (Ton, Toff) (Max)：130ns, 75ns
- -3db Bandwidth：100MHz
- Charge Injection：3pC
- Channel Capacitance (CS(off), CD(off))：12pF, 12pF
- Current - Leakage (IS(off)) (Max)：100pA
- Crosstalk：-90dB @ 1MHz
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Through Hole
- Package / Case：16-DIP (0.300", 7.62mm)
- Supplier Device Package：16-PDIP
- Number of Circuits：4
- Grade：-
- Qualification：-
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Overview
The PS391EPE is a discontinued analog switch integrated circuit manufactured by Diodes Incorporated. It features four single-pole single-throw (SPST) normally open channels housed in a 16-pin PDIP package. The device supports single supply voltages from 3V to 15V and dual supplies of ±3V to ±8V. Key electrical specifications include a maximum on-resistance of 45 ohms, a -3dB bandwidth of 100MHz, and charge injection of 3pC. Switching times are specified at a maximum of 130ns for turn-on and 75ns for turn-off. The component operates within a temperature range of 0°C to 70°C.
Feature Summary
- Four independent SPST analog switching channels
- Low on-resistance for signal integrity
- High bandwidth capability
- Standard DIP packaging
Applications
- Signal routing in data acquisition systems
- Audio signal switching
- Instrumentation front ends
Procurement Notes
This part number is officially obsolete and no longer manufactured by Diodes Incorporated. Verification of availability requires checking authorized distributors for remaining stock or identifying qualified replacement components. Sourcing should focus on verified substitute part numbers that match the original pinout and electrical characteristics to ensure compatibility.
Selection Notes
Designers requiring this functionality must select an active replacement due to the discontinuation status. Selection criteria should prioritize matching the 16-pin DIP package, 4-channel configuration, and compatible voltage ranges. Verify that the substitute component meets the required on-resistance and bandwidth specifications for the specific application environment.
Part Context
The PS391EPE belongs to the PS39x series of analog switches from Diodes Incorporated. This series typically includes variants with different channel counts or configurations, such as the PS392 which also features four channels but may have distinct electrical parameters. The EPE suffix denotes the specific 16-pin PDIP package variant.
Replacement Considerations
Publicly confirmed substitutes include the MAX392CPE+ from Analog Devices/Maxim Integrated and the ALD4202MPCL from Advanced Linear Devices. These parts are documented as similar replacements for the discontinued PS391EPE.
