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Product Detailed Parameters
- Description：IC SWITCH SPDT X 1 39OHM SOT363
- Series：SOTiny™
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR)
- Switch Circuit：SPDT
- Multiplexer/Demultiplexer Circuit：2:01
- On-State Resistance (Max)：39Ohm
- Channel-to-Channel Matching (ΔRon)：300mOhm
- Voltage - Supply, Single (V+)：1.65V ~ 5.5V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：23ns, 13ns
- -3db Bandwidth：250MHz
- Charge Injection：7pC
- Channel Capacitance (CS(off), CD(off))：-
- Current - Leakage (IS(off)) (Max)：10µA
- Crosstalk：-54dB @ 10MHz
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：6-TSSOP, SC-88, SOT-363
- Supplier Device Package：SOT-363
- Number of Circuits：1
- Grade：-
- Qualification：-
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Overview
The PI5A3157CE+CX is a low voltage dual SPDT analog switch manufactured by Diodes Incorporated. It operates within a supply voltage range of 1.65V to 5.5V and features an on-resistance of 8Ω at 3.0V. The device supports rail-to-rail signal ranges and includes control input overvoltage tolerance up to 5.5V. Key electrical parameters include a maximum transition speed of 5.2ns at 5V, high off isolation of 57dB at 10MHz, and a bandwidth of 250 MHz. It functions in an extended industrial temperature range from –40°C to +85°C.
Feature Summary
- CMOS technology designed for bus and analog applications
- Break-before-make switching prevents simultaneous switch enablement
- Control input tolerates drive signals up to 5.5V independent of supply voltage
Applications
- Cell Phones
- PDAs
- Portable Instrumentation
- Battery Powered Communications
- Computer Peripherals
Procurement Notes
Verify the specific ordering suffix against official documentation to confirm packaging type and compliance status. Confirm that the component meets all required environmental directives such as RoHS 3 and lead-free standards before finalizing procurement specifications.
Selection Notes
Select this component when a single-pole double-throw switch with fast transition speeds and high bandwidth is required. Ensure the operating voltage falls within the 1.65V to 5.5V range and verify that the package dimensions match the design constraints for the SOT363 (SC70) footprint.
Part Context
This part belongs to the PI5A3157 series of low voltage analog switches. It serves as an improved direct replacement for the NC7SB3157. The device integrates CMOS technology optimized for handling both analog signals and digital bus switching tasks efficiently.
Replacement Considerations
The datasheet identifies the NC7SB3157 as a direct replacement target. Verify pin compatibility and electrical characteristics against the original component to ensure seamless integration without circuit modification.
FAQ
What is the maximum transition speed of the PI5A3157?
The maximum transition speed is 5.2ns at 5V.
Does the control input require the same voltage as the power supply?
No, the control input tolerates input drive signals up to 5.5V, independent of the supply voltage.
How does break-before-make switching benefit the circuit?
It prevents both switches from being enabled simultaneously, which eliminates signal disruption during switching operations.
