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Product Detailed Parameters
- Description：IC SWITCH SPDT X 4 1.5OHM 16QFN
- Series：-
- Mfr：STMicroelectronics
- Package：Tape & Reel (TR),Cut Tape (CT)
- Switch Circuit：SPDT
- Multiplexer/Demultiplexer Circuit：2:01
- On-State Resistance (Max)：1.5Ohm
- Channel-to-Channel Matching (ΔRon)：60mOhm
- Voltage - Supply, Single (V+)：1.65V ~ 3.6V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：50ns, 30ns
- -3db Bandwidth：50MHz
- Charge Injection：35pC
- Channel Capacitance (CS(off), CD(off))：5pF
- Current - Leakage (IS(off)) (Max)：10nA
- Crosstalk：-54dB @ 100kHz
- Operating Temperature：-55°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：16-VFQFN Exposed Pad
- Supplier Device Package：16-QFN (3x3)
- Number of Circuits：4
- Grade：-
- Qualification：-
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Overview
The STG3690QTR is a low voltage quad analog SPDT switch fabricated in silicon gate C2MOS technology. It operates from a single supply of 1.65V to 3.6V, with inputs tolerant up to 4.3V. The device features ultra-low power dissipation (ICC max 1µA) and low on-resistance (RON max 5Ω). Key electrical parameters include propagation delay (tPD) of 0.3ns at VCC=3.0V, turn-on time (tON) of 30ns, and turn-off time (tOFF) of 25ns. It offers break-before-make switching, high ESD immunity (>7kV HBM), and latch-up performance exceeding 300mA. Available in QFN-16 (3x3mm) package.
Feature Summary
- Ultra-low power consumption suitable for portable applications
- High-speed signal switching with minimal propagation delay
- Break-before-make functionality prevents signal shorting during transitions
- Robust protection against electrostatic discharge and latch-up
Applications
- Portable consumer electronics requiring low voltage operation
- Signal routing in battery-powered devices
- Multiplexer/demultiplexer configurations for data lines
- Audio and video signal path switching
Procurement Notes
Verify the obsolete status of this component before procurement planning. Confirm availability through authorized distributors or secondary markets. Ensure the QFN-16 package matches your PCB footprint requirements. Check for RoHS compliance documentation if required by your manufacturing standards. Validate that the 4.3V input tolerance meets your system's control voltage levels.
Selection Notes
Select this component when low voltage operation below 3.6V is required. Consider the QFN-16 package for compact board space. Evaluate the 5Ω maximum on-resistance against your signal integrity needs. Verify that the 0.3ns propagation delay fits your timing constraints. Ensure the -55°C to 125°C operating temperature range covers your environmental conditions.
Part Context
The STG3690 belongs to STMicroelectronics' low voltage analog switch family. It is designed for applications where power efficiency and speed are critical. The QTR suffix indicates tape and reel packaging for automated assembly. This specific part number represents the QFN-16 variant of the quad SPDT switch.
Replacement Considerations
Check for direct pin-to-pin replacements within the same product line. Verify equivalent electrical specifications such as on-resistance and propagation delay. Ensure the replacement supports the same 1.65V to 3.6V supply range. Confirm package compatibility if using the QFN-16 form factor.
