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FSA5157P6X
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Product Detailed Parameters
- Description：IC SWITCH SPDT X 1 360MOHM SC88
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR),Cut Tape (CT)
- Switch Circuit：SPDT
- Multiplexer/Demultiplexer Circuit：2:01
- On-State Resistance (Max)：360mOhm (Typ)
- Channel-to-Channel Matching (ΔRon)：40mOhm
- Voltage - Supply, Single (V+)：1.65V ~ 4.3V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：55ns, 30ns
- -3db Bandwidth：80MHz
- Charge Injection：6pC
- Channel Capacitance (CS(off), CD(off))：21pF
- Current - Leakage (IS(off)) (Max)：10nA
- Crosstalk：-75dB @ 100kHz
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：6-TSSOP, SC-88, SOT-363
- Supplier Device Package：SC-88 (SC-70-6)
- Number of Circuits：1
- Grade：-
- Qualification：-
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Overview
The FSA5157P6X is a low on-resistance, low-power Single Pole Double Throw (SPDT) analog switch manufactured by onsemi. It operates within a supply voltage range of 1.65 V to 4.3 V and features a typical on resistance (RON) of 0.4 Ω at +2.7 V supply. The device supports bi-directional operation with break-before-make functionality and handles up to 350 mA continuous current under a 3.3 V supply. It is housed in a 6-lead SC-88/SC-70 package (Case 419AD) measuring 1.25 x 2 mm. Key electrical parameters include a maximum RON flatness of 0.25 Ω at +2.7 V, off-isolation of -75 dB at 100 kHz, and a bandwidth of 80 MHz.
Feature Summary
- Ultra-low 0.4 Ω impedance suitable for battery-powered applications
- Bi-directional signal switching with break-before-make timing
- Low control input leakage current when VIN is lower than VCC
- High-current handling capability for audio signal paths
Applications
- Cellular phones
- Portable media players
- Personal Digital Assistants (PDAs)
Procurement Notes
Verify the specific ordering suffix P6X corresponds to the SC-88/SC-70 6-lead package configuration. Confirm RoHS compliance and Pb-free status as stated in the datasheet. Ensure the application environment stays within the recommended operating temperature range of -40°C to +85°C. Validate that the supply voltage does not exceed the absolute maximum rating of 5.5 V.
Selection Notes
Select this component for audio signal routing where low distortion and minimal power consumption are critical. The 1.65 V minimum operating voltage makes it suitable for single-cell battery systems. Consider the 0.4 Ω typical on-resistance for maintaining signal integrity in high-fidelity audio paths. Verify compatibility with 1.8 V CMOS logic levels for the control input interface.
Part Context
The FSA5157P6X belongs to the FSA5157 series of low-voltage SPDT analog switches. It is designed specifically for portable electronics requiring efficient audio switching. The device replaces older solutions by offering lower on-resistance and reduced quiescent current. It is part of onsemi's portfolio of power management and signal switching integrated circuits.
Replacement Considerations
Check for direct pin-compatible alternatives within the same family if availability is an issue. Verify that any substitute maintains the 1.65 V to 4.3 V operating range and similar on-resistance characteristics. Ensure the replacement package matches the SC-88/SC-70 footprint for board compatibility.
