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Product Detailed Parameters
- Description：IC SWITCH SPDT X 1 1.2OHM 6UDFN
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR)
- Switch Circuit：SPDT
- Multiplexer/Demultiplexer Circuit：2:01
- On-State Resistance (Max)：1.2Ohm
- Channel-to-Channel Matching (ΔRon)：10mOhm
- Voltage - Supply, Single (V+)：1.65V ~ 5.5V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：18ns, 20ns
- -3db Bandwidth：150MHz
- Charge Injection：35pC
- Channel Capacitance (CS(off), CD(off))：3.5pF
- Current - Leakage (IS(off)) (Max)：20nA
- Crosstalk：-70dB @ 1MHz
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：6-UFDFN
- Supplier Device Package：6-UDFN (1x1)
- Number of Circuits：1
- Grade：-
- Qualification：-
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Overview
The PI5A4157ZUEX is a single-pole double-throw (SPDT) CMOS analog switch manufactured by Diodes Incorporated. It operates within a supply voltage range of 1.65V to 5.5V and features an ultra-low on-resistance of 0.8Ω typical at 3.0V. The device provides rail-to-rail signal handling, fast transition speeds of 12ns at 5.0V, and a high bandwidth of 150MHz. It includes break-before-make switching logic and control input overvoltage tolerance up to 5.5V. The component is housed in a 6-pin UDFN 1mm×1mm package and supports an extended industrial temperature range from -40°C to +85°C.
Feature Summary
- Ultra-low on-resistance for efficient signal transmission
- Rail-to-rail signal range capability
- Break-before-make switching prevents simultaneous switch activation
Applications
- Cell phones
- PDAs
- Portable instrumentation
- Battery powered communications
- Computer peripherals
Procurement Notes
Verify the specific ZU suffix indicates the 6-pin UDFN 1x1 package configuration before procurement. Confirm that the E suffix denotes Pb-free and Green manufacturing compliance. Ensure the X suffix matches the required tape and reel packaging format for automated assembly processes.
Selection Notes
Select this component when low on-resistance and high bandwidth are critical for signal integrity. The wide VCC range allows compatibility with various logic levels. Verify that the 1mm×1mm footprint fits the available PCB space constraints compared to larger SOT23 or SC70 packages.
Part Context
This part belongs to the PI5A4157 family of low-voltage SPDT analog switches. Other variants include the CEX (SC70) and TAEX (SOT23) packages. All share identical electrical characteristics but differ in physical dimensions and thermal dissipation capabilities based on their respective housing types.
Replacement Considerations
Direct pin-compatible replacements must maintain the 1.65V to 5.5V operating range and similar on-resistance specifications. Verify that any substitute offers comparable 150MHz bandwidth and break-before-make timing to ensure circuit stability without modification.
