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FSA4159L6X
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Product Detailed Parameters
- Description：IC SW SPDTX1 900MOHM 6MICROPAK
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR),Cut Tape (CT)
- Switch Circuit：SPDT
- Multiplexer/Demultiplexer Circuit：2:01
- On-State Resistance (Max)：900mOhm
- Channel-to-Channel Matching (ΔRon)：50mOhm
- Voltage - Supply, Single (V+)：1.65V ~ 5.5V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：30ns, 20ns
- -3db Bandwidth：180MHz
- Charge Injection：15pC
- Channel Capacitance (CS(off), CD(off))：12pF
- Current - Leakage (IS(off)) (Max)：10nA
- Crosstalk：-60dB @ 1MHz
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：6-UFDFN
- Supplier Device Package：6-MicroPak
- Number of Circuits：1
- Grade：-
- Qualification：-
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Overview
The FSA4159L6X is a low-voltage Single-Pole Double-Throw (SPDT) analog switch fabricated with sub-micron CMOS technology. It operates within a supply voltage range of 1.65 V to 5.50 V and features ultra-low on-resistance, typically 1 Ω at 4.5 V VCC. The device supports a continuous switch current of 200 mA and includes power-off isolation capabilities. Designed for fast switching, it offers turn-on times as low as 1 ns and turn-off times down to 1 ns under optimal conditions. The component utilizes a MicroPak-6 surface-mount package and functions across an operating temperature range of -40°C to +85°C.
Feature Summary
- Ultra-low on-resistance ensures minimal signal loss in active paths
- Power-off isolation prevents leakage when the supply voltage is removed
- Low quiescent current allows direct interfacing with baseband processor I/Os
- Break-before-make circuitry prevents signal overlap during switching
Applications
- Cellular phone signal routing
- Portable media player audio/video switching
- Personal Digital Assistant (PDA) peripheral management
Procurement Notes
Verify the specific ordering suffix L6X corresponds to the MicroPak-6 package configuration rather than the SC-88 variant. Confirm RoHS compliance status and lead-free material declarations against the latest manufacturer documentation before finalizing procurement specifications.
Selection Notes
Select this component for applications requiring low voltage operation below standard 3.3 V thresholds. Ensure the control input logic levels match the system's VCC range, particularly when operating near the 1.65 V minimum limit. Verify that the required switching speed meets the AC electrical characteristics specified for the target supply voltage.
Part Context
This part belongs to the FSA4159 family of analog switches manufactured by onsemi. The L6X suffix specifically denotes the MicroPak-6 package variant, distinguishing it from the P6X version which uses an SC-88 package. Both variants share identical electrical performance but differ in physical footprint and thermal characteristics.
Replacement Considerations
Direct pin-compatible replacements include other SPDT analog switches from the same manufacturer series. Verify package dimensions and pin assignments carefully when substituting with components from different vendors to ensure mechanical fit and electrical compatibility.
