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Product Detailed Parameters
- Description：ANALOG SWITCH SPDT (SINGLEPOLE D
- Series：-
- Mfr：3PEAK
- Package：Tape & Reel (TR),Cut Tape (CT)
- Switch Circuit：SPDT - Open/Closed
- Multiplexer/Demultiplexer Circuit：2:01
- On-State Resistance (Max)：1.15Ohm
- Channel-to-Channel Matching (ΔRon)：120mOhm
- Voltage - Supply, Single (V+)：1.65V ~ 5.5V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：40ns, 15ns
- -3db Bandwidth：100MHz
- Charge Injection：20pC
- Channel Capacitance (CS(off), CD(off))：5pF, 5pF
- Current - Leakage (IS(off)) (Max)：10nA
- Crosstalk：-65dB @ 1MHz
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：6-TSSOP, SC-88, SOT-363
- Supplier Device Package：SC-70-6
- Number of Circuits：1
- Grade：-
- Qualification：-
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Overview
The TPW4157-CR is a Single Pole/Double Throw (SPDT) analog switch manufactured by 3PEAK. It operates within a supply voltage range of 1.65 V to 5.5 V and supports an operating temperature range from –40°C to 125°C. The device features a maximum on-state resistance of 1.15 Ω at 4.5 V and a typical bandwidth of 100 MHz. Switching times are specified as 40 ns for turn-on and 15 ns for turn-off. It includes break-before-make switching functionality, latch-up performance exceeding 800 mA per JESD 78 Class II, and ESD protection ratings of 4 kV HBM and 2 kV CDM. The component is housed in a SOT363 package.
Feature Summary
- Ultra-low on-state resistance ensures minimal signal loss across the operational voltage range.
- Break-before-make switching prevents signal overlap during port transitions.
- Low quiescent current allows direct interfacing with processor general-purpose I/Os even when control voltage is lower than the supply.
- Robust electrostatic discharge protection meets industrial reliability standards.
Applications
- Industry Control Systems
- Battery-Powered Systems
- Audio Signal Routing
- Portable Instruments and Mobile Devices
Procurement Notes
Verify the specific ordering suffix against official documentation to confirm the package type. The TPW4157-CR designation corresponds to the SOT363 package variant. Confirm that the required transport media and quantity align with standard manufacturing reels. Ensure environmental compliance requirements match the Green specification defined by the manufacturer.
Selection Notes
Select this component for applications requiring low-voltage operation down to 1.65 V. The SOT363 package is suitable for space-constrained designs. Evaluate the 1.15 Ω maximum on-resistance against load requirements. Consider the 100 MHz bandwidth for high-frequency signal routing needs. Verify thermal dissipation capabilities within the target operating temperature range.
Part Context
The TPW4157 series consists of low-voltage SPDT analog switches designed for portable and industrial applications. The TPW4157-CR specifically utilizes the SOT363 package format. This part belongs to a family offering various packaging options, including SOT23-6 variants, to accommodate different board layout constraints while maintaining consistent electrical performance characteristics.
Replacement Considerations
The datasheet does not list confirmed substitute part numbers. Cross-reference with other SPDT analog switches featuring similar voltage ranges and on-resistance specifications if alternative sourcing is required. Verify pin compatibility and package dimensions before substitution.
