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FSA1157P6
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Product Detailed Parameters
- Description：IC SWITCH SPST-NCX1 900MOHM SC88
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR)
- Switch Circuit：SPST - NC
- Multiplexer/Demultiplexer Circuit：1:01
- On-State Resistance (Max)：900mOhm
- Channel-to-Channel Matching (ΔRon)：-
- Voltage - Supply, Single (V+)：1.65V ~ 5.5V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：20ns, 30ns
- -3db Bandwidth：300MHz
- Charge Injection：20pC
- Channel Capacitance (CS(off), CD(off))：20pF
- Current - Leakage (IS(off)) (Max)：2nA
- Crosstalk：-
- 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 FSA1157P6X is a single-pole single-throw (SPST) normally-closed analog switch manufactured by onsemi. It operates within a supply voltage range of 1.65 V to 5.5 V and features a maximum on-resistance of 900 mOhms. The device supports a DC switch current of 200 mA with a typical -3dB bandwidth of 300 MHz. Switching times are specified at a maximum of 20 ns for turn-on and 30 ns for turn-off. It is housed in a compact SC-70-6 package, suitable for surface-mount installation across an operating temperature range of -40°C to +85°C.
Feature Summary
- Single-channel SPST configuration with normally-closed logic state
- Low on-resistance of 900 mOhms for minimal signal attenuation
- High-speed switching performance with 300 MHz bandwidth
- Compact SC-70-6 footprint designed for space-constrained applications
Applications
- Portable consumer electronics requiring low-voltage signal routing
- Battery-powered devices utilizing single-supply operation
- Signal path selection in mobile communication hardware
Procurement Notes
This component has reached the end-of-life stage, with official discontinuation notices issued by the manufacturer. Availability is restricted to remaining stock or obsolete channels. Verification of RoHS compliance and specific manufacturing lot dates is essential before integration into new designs due to potential supply chain limitations.
Selection Notes
Designers should evaluate the 900 mOhm on-resistance against signal integrity requirements for the target application. The 1.65 V minimum supply voltage allows compatibility with modern low-power systems. Ensure the thermal dissipation capabilities within the SC-70-6 package align with the expected power load during continuous operation.
Part Context
The FSA1157P6X belongs to the FSA1157 series of low-voltage analog switches from onsemi. This family focuses on providing efficient signal switching solutions for portable devices. The part utilizes standard CMOS technology to achieve low power consumption while maintaining high switching speeds in a small form factor.
Replacement Considerations
Direct pin-compatible substitutes may include other SPST analog switches from the same manufacturer series, such as the FSA1157 variants. Verify that alternative components match the 900 mOhm resistance and 1.65 V to 5.5 V voltage range specifications.
