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Product Detailed Parameters
- Description：IC SWITCH SPDT X 4 450MOHM 16QFN
- Series：-
- Mfr：STMicroelectronics
- Package：Tape & Reel (TR),Cut Tape (CT)
- 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：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 STG3699AQTR is a high-speed CMOS low voltage quad analog SPDT switch or 2:1 multiplexer/demultiplexer fabricated in silicon gate C2MOS technology. It operates from a single supply of 1.65V to 4.3V and features very low ON-Resistance (RON <0.5Ω at VCC=3.0V). The device includes fast switching speed, break-before-make delay time, and ultra-low power consumption. All inputs and outputs are equipped with protection circuits against static discharge, providing ESD immunity and transient excess voltage tolerance. It is available in the commercial temperature range (-40°C to 125°C) in QFN16 3x3mm package.
Feature Summary
- High-speed operation with propagation delay of 1.5ns typical at VCC = 3.0V
- Ultra-low power dissipation with quiescent current of 0.2µA maximum at TA = 85°C
- Low ON-resistance of 0.5Ω maximum at VCC = 2.7V
- Wide operating voltage range from 1.65V to 4.3V single supply
Applications
- Portable applications requiring low voltage operation
- Signal routing in communication equipment
- Data acquisition systems
- Audio and video signal switching
Procurement Notes
Verify the specific ordering suffix 'QTR' corresponds to the tape and reel packaging format for the QFN16 (3x3mm) package as documented in the manufacturer's order codes. Confirm that the component meets RoHS compliance standards and check for any end-of-life notices or alternative part recommendations from STMicroelectronics before finalizing procurement plans.
Selection Notes
Select this component when a quad SPDT analog switch with low ON-resistance and high speed is required for portable devices. Ensure the operating voltage range of 1.65V to 4.3V aligns with the system design. Consider the QFN16 3x3mm package size for space-constrained PCB layouts. Verify thermal performance within the specified temperature range of -40°C to 125°C.
Part Context
The STG3699A series includes variants such as STG3699AUTR and STG3699B, offering similar functionality with different package options like QFN16 (2.5x2.5mm). The STG3699AQTR specifically denotes the QFN16 (3x3mm) package variant. This family of switches is designed for applications requiring low voltage operation and high reliability in portable electronics.
Replacement Considerations
STG3699AUTR is a direct replacement with identical electrical characteristics but utilizes the QFN16 (2.5x2.5mm) package instead of the 3x3mm footprint. STG3699B offers similar performance in a QFN16L 2.6x1.8mm package. Verify pin compatibility and mechanical dimensions before substituting.
