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Product Detailed Parameters
- Description：IC SWITCH SPDT X 1 7OHM 6WDFN
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR),Cut Tape (CT)
- Switch Circuit：SPDT
- Multiplexer/Demultiplexer Circuit：2:01
- On-State Resistance (Max)：7Ohm
- Channel-to-Channel Matching (ΔRon)：150mOhm
- Voltage - Supply, Single (V+)：1.65V ~ 5.5V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：5.2ns, 3.5ns
- -3db Bandwidth：250MHz
- Charge Injection：7pC
- Channel Capacitance (CS(off), CD(off))：6.5pF
- Current - Leakage (IS(off)) (Max)：100nA
- Crosstalk：-54dB @ 10MHz
- Operating Temperature：-55°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：6-WFDFN
- Supplier Device Package：6-WDFN (1.2x1)
- Number of Circuits：1
- Grade：-
- Qualification：-
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Overview
The NLASB3157MTR2G is a single-pole double-throw (SPDT) analog switch manufactured by onsemi. It operates within a supply voltage range of 1.65 V to 5.5 V and supports bidirectional signal transmission. The device features a low on-resistance (RON) of 3 Ω, ensuring minimal signal attenuation in the conductive state. Key electrical specifications include a nominal off-state isolation of 57 dB and an on-resistance matching tolerance of 0.5 Ω. It is housed in a compact 6-pin DFN package with dimensions of 1.2 mm length, suitable for space-constrained portable electronics.
Feature Summary
- SPDT topology enabling flexible signal routing between two channels
- Low on-resistance for high-fidelity signal integrity
- High off-state isolation to prevent signal leakage
- Compact surface-mount packaging for dense PCB layouts
Applications
- Portable consumer electronics signal switching
- Audio and video signal path selection
- Battery-powered devices requiring low power consumption
- Mobile phone antenna and sensor switching
Procurement Notes
Verify component authenticity through authorized onsemi distributors or certified suppliers. Confirm the part number suffix matches the specified tape-and-reel configuration. Check for RoHS compliance markings and moisture sensitivity level indicators on the packaging. Ensure storage conditions adhere to the specified humidity sensitivity level to prevent package damage before reflow soldering.
Selection Notes
Select this component when a single SPDT switch with low on-resistance is required for signals up to 5.5 V. Consider the 6-pin DFN package size against available board space. Evaluate the 57 dB isolation specification against system crosstalk requirements. Compare the 3 Ω RON against load impedance to ensure acceptable signal loss for the specific application bandwidth.
Part Context
This part belongs to onsemi's NLASB series of low-voltage analog switches. The series is designed for portable applications where power efficiency and small footprint are critical. The NLASB3157 variant specifically offers SPDT functionality, distinguishing it from simpler SPST switches in the same family. It complements other onsemi signal chain components for complete system solutions.
Replacement Considerations
Direct substitutes must match the SPDT configuration, 6-pin DFN package, and 3 Ω RON. Verify that alternative parts support the 1.65 V to 5.5 V operating range and offer comparable 57 dB isolation. Check pinout compatibility to ensure no PCB redesign is necessary during replacement.
