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Product Detailed Parameters
- Description：IC SWITCH SPDT X 1 13OHM 6TDFN
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR),Cut Tape (CT)
- Switch Circuit：SPDT
- Multiplexer/Demultiplexer Circuit：2:01
- On-State Resistance (Max)：13Ohm
- Channel-to-Channel Matching (ΔRon)：150mOhm
- Voltage - Supply, Single (V+)：1.65V ~ 5.5V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：5.2ns, 3.5ns
- -3db Bandwidth：250MHz
- Charge Injection：7pC
- Channel Capacitance (CS(off), CD(off))：2.3pF
- Current - Leakage (IS(off)) (Max)：100nA
- Crosstalk：-54dB @ 10MHz
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：6-WFDFN
- Supplier Device Package：6-TDFN (1.5x1)
- Number of Circuits：1
- Grade：-
- Qualification：-
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Overview
The PI5A3157ZAEX is a low voltage dual SPDT analog switch and 2:1 mux/demux bus switch manufactured by Diodes Incorporated. It utilizes CMOS technology for bus and analog applications, featuring a wide VDD range from 1.65V to 5.5V and rail-to-rail signal capability. The device offers fast transition speeds with a maximum of 5.2ns at 5V and high bandwidth of 250MHz. It incorporates break-before-make switching to prevent simultaneous switch enablement. The control input tolerates overvoltage up to 5.5V independent of the supply voltage. It operates within an extended industrial temperature range of –40°C to 85°C.
Feature Summary
- CMOS technology designed for bus and analog applications
- Break-before-make switching prevents signal disruption during transitions
- Control input overvoltage tolerance up to 5.5V independent of supply voltage
- High off isolation and crosstalk rejection reduce signal distortion
Applications
- Cell Phones
- PDAs
- Portable Instrumentation
- Battery Powered Communications
- Computer Peripherals
Procurement Notes
Verify component authenticity through authorized Diodes Incorporated distribution channels. Confirm package marking matches the specified top mark code ZM for the 6-pin SC70 variant. Ensure compliance with RoHS 3 and halogen-free requirements as defined in the datasheet notes. Validate that the ordering suffix corresponds to the required tape and reel packaging configuration.
Selection Notes
Select this component when designing circuits requiring low voltage operation between 1.65V and 5.5V. The dual SPDT configuration supports 2:1 multiplexing or demultiplexing tasks. Consider the 250MHz bandwidth and 5.2ns switching speed for high-frequency signal routing. The break-before-make feature is critical for preventing short circuits in bus switching applications.
Part Context
The PI5A3157 series belongs to Diodes Incorporated's SOTiny product line, focusing on compact form factors for portable electronics. This specific part serves as an improved direct replacement for the NC7SB3157. It integrates dual single-pole double-throw switches into a single 6-pin package, optimizing board space for mobile and battery-powered devices.
Replacement Considerations
The datasheet identifies the NC7SB3157 as a predecessor model directly replaced by the PI5A3157 series. Verify pin compatibility and electrical parameter alignment before substitution. No other cross-references are documented in the official specifications.
FAQ
What is the function of the break-before-make switching feature?
It ensures that both switches are not enabled simultaneously during transitions, which eliminates signal disruption.
How does the control input handle voltage levels relative to the supply?
The control input S tolerates input drive signals up to 5.5V, independent of the VDD supply voltage.
What is the specified operating temperature range?
The device operates within an extended industrial temperature range of –40°C to 85°C.
