STG3157CTR

$0.48

Description：IC SWITCH SPDTX1 15OHM SOT323-6L
Series：-

SKU:e3d1de3904f1 Category: Analog Switches, Multiplexers, Demultiplexers Brand: STMicroelectronics

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Product introduction

Product Detailed Parameters

Description：IC SWITCH SPDTX1 15OHM SOT323-6L
Series：-
Mfr：STMicroelectronics
Package：Tape & Reel (TR),Cut Tape (CT)
Switch Circuit：SPDT
Multiplexer/Demultiplexer Circuit：2:01
On-State Resistance (Max)：15Ohm
Channel-to-Channel Matching (ΔRon)：100mOhm
Voltage - Supply, Single (V+)：1.65V ~ 4.3V
Voltage - Supply, Dual (V±)：-
Switch Time (Ton, Toff) (Max)：15ns, 10ns
-3db Bandwidth：250MHz
Charge Injection：23pC
Channel Capacitance (CS(off), CD(off))：5pF
Current - Leakage (IS(off)) (Max)：100nA
Crosstalk：-55dB @ 10MHz
Operating Temperature：-55°C ~ 125°C (TA)
Mounting Type：Surface Mount
Package / Case：6-TSSOP, SC-88, SOT-363
Supplier Device Package：SOT-323-6L
Number of Circuits：1
Grade：-
Qualification：-

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STG3157CTR

Overview

The STG3157CTR is a high-speed CMOS analog single-pole double-throw (SPDT) switch manufactured by STMicroelectronics. It operates on a single supply voltage ranging from 1.65 V to 4.3 V, with specific datasheet parameters citing up to 5.5 V. The device features a maximum on-resistance of 15 ohms and a -3dB bandwidth of 250 MHz. Key electrical specifications include a charge injection of 23 pC, channel capacitance of 5 pF, and maximum leakage current of 100 nA. Switching times are specified at a maximum of 15 ns for turn-on and 10 ns for turn-off. It utilizes a SOT-323-6L surface-mount package and supports an operating temperature range from -55°C to 125°C.

Feature Summary

High-speed signal switching with low propagation delay for portable applications
Ultra-low power dissipation suitable for battery-operated systems
Break-before-make switching action prevents signal shorting during transitions
Integrated protection circuits provide immunity against electrostatic discharge

Applications

Portable consumer electronics requiring efficient signal routing
Audio and video signal path switching in compact devices
Battery-powered systems prioritizing low standby current consumption

Procurement Notes

Verify the specific suffix 'CTR' corresponds to the tape and reel packaging configuration required for automated assembly processes. Confirm that the 4.3 V upper limit aligns with your system's supply rails, as some documentation references 5.5 V. Ensure the SOT-323-6L footprint matches your PCB layout constraints and thermal requirements for the intended operating temperature range.

Selection Notes

Select this component when a single SPDT analog switch is needed within a constrained space. The SOT-323-6L package offers a small form factor compared to larger TSSOP options. Consider the 15 ohm on-resistance limit for signal integrity requirements. Verify compatibility with standard CMOS control logic levels if interfacing directly with microcontrollers or digital processors.

Part Context

This part belongs to the STG3157 family of analog switches produced by STMicroelectronics. The 'CTR' suffix specifically denotes the SOT-323-6L surface-mount package variant supplied in tape and reel format. It serves as a compact alternative to larger packages like SC-88 or TSSOP while maintaining similar functional characteristics for signal routing tasks.