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Product Detailed Parameters
- Description：IC SWITCH SPDT X 4 450MOHM
- Series：-
- Mfr：STMicroelectronics
- Package：Tray
- Switch Circuit：SPDT
- Multiplexer/Demultiplexer Circuit：2:01
- On-State Resistance (Max)：450mOhm
- Channel-to-Channel Matching (ΔRon)：60mOhm
- Voltage - Supply, Single (V+)：1.65V ~ 4.3V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：55ns, 30ns
- -3db Bandwidth：50MHz
- Charge Injection：35pC
- Channel Capacitance (CS(off), CD(off))：5pF
- Current - Leakage (IS(off)) (Max)：20nA
- Crosstalk：-54dB @ 100kHz
- Operating Temperature：-55°C ~ 125°C (TA)
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Number of Circuits：4
- Grade：-
- Qualification：-
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Overview
The STG3699ADWF is a high-speed CMOS low voltage quad analog Single Pole Dual Throw (SPDT) switch or 2:1 Multiplexer/Demultiplexer Switch fabricated in silicon gate C2MOS technology. Designed for portable applications, it operates from 1.65V to 4.3V with very low ON-Resistance (RON<0.5Ω at VCC=3.0V). It features fast switching speed, break-before-make delay time, and ultra-low power consumption. All inputs and outputs include protection circuits against static discharge, providing ESD immunity and transient excess voltage tolerance. The device is available in the commercial temperature range (-40 to 125°C) in QFN16 packages.
Feature Summary
- Quad SPDT switch configuration with independent control inputs
- Ultra-low on-resistance ensuring minimal signal loss
- High-speed operation with typical propagation delay of 1.5ns
- Integrated ESD protection on all I/O pins
Applications
- Portable electronic devices requiring low voltage operation
- Signal routing in battery-powered systems
- Multiplexing/demultiplexing in data acquisition circuits
Procurement Notes
Verify the specific suffix 'DWF' against official STMicroelectronics documentation to confirm the exact package variant and tape/reel specifications. Ensure compatibility with the required operating voltage range and temperature grade before integration into the design.
Selection Notes
Select this component when a quad SPDT switch with sub-ohm on-resistance and low voltage operation (down to 1.65V) is required. Consider the 1.5ns propagation delay for high-speed signal switching applications. Verify that the QFN16 package fits the PCB layout constraints.
Part Context
The STG3699A series belongs to STMicroelectronics' portfolio of low voltage analog switches. It utilizes C2MOS technology to achieve high performance in a compact form factor. The ADWF designation typically indicates a specific package type and packaging method within the broader STG3699A family.
Replacement Considerations
Check for direct pin-to-pin replacements within the STG3699A family or other quad SPDT switches with similar RON and voltage ratings. Verify electrical parameters match the original design requirements.
