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Product Detailed Parameters
- Description：IC SWITCH SPDT X 1 1.1OHM 6DFN
- Series：-
- Mfr：STMicroelectronics
- Package：Tape & Reel (TR)
- Switch Circuit：SPDT
- Multiplexer/Demultiplexer Circuit：2:01
- On-State Resistance (Max)：1.1Ohm
- Channel-to-Channel Matching (ΔRon)：50mOhm
- Voltage - Supply, Single (V+)：1.65V ~ 4.3V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：23ns, 21ns
- -3db Bandwidth：150MHz
- Charge Injection：33pC
- Channel Capacitance (CS(off), CD(off))：6pF
- Current - Leakage (IS(off)) (Max)：20nA
- Crosstalk：-80dB @ 100kHz
- Operating Temperature：-55°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：6-UFDFN
- Supplier Device Package：6-DFN (1.2x1)
- Number of Circuits：1
- Grade：-
- Qualification：-
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Overview
The STG3159DTR is a single-channel SPDT analog switch manufactured by STMicroelectronics, housed in a compact 6-DFN (1.2x1 mm) surface-mount package. It operates on a single supply voltage ranging from 1.65V to 4.3V. The device features a maximum on-resistance of 1.1 ohms with a channel-to-channel matching of 50 milliohms. Key electrical specifications include a -3dB bandwidth of 150MHz, charge injection of 33pC, and off-state leakage current of 20nA. Switching times are specified at 23ns for turn-on and 21ns for turn-off. The component supports an operating temperature range of -55°C to 125°C.
Feature Summary
- Single-pole double-throw (SPDT) switching topology for signal routing
- Low on-resistance with high channel-to-channel matching accuracy
- High bandwidth capability suitable for RF and video applications
- Compact 6-pin DFN footprint for space-constrained designs
Applications
- Portable multimedia devices requiring low-voltage signal switching
- RF signal routing in communication equipment
- Video signal path selection in display systems
- Battery-powered consumer electronics
Procurement Notes
Verify the obsolete status of this specific part number before initiating procurement. Confirm availability through authorized distributors or secondary market suppliers. Ensure that any replacement components maintain identical pinout compatibility and electrical specifications to avoid redesign efforts. Check RoHS compliance documentation for regulatory adherence.
Selection Notes
Select this component when a single SPDT switch is required within a 1.65V to 4.3V supply range. Consider the 1.1 ohm on-resistance and 150MHz bandwidth for signal integrity requirements. The 6-DFN package is suitable for automated surface-mount assembly. Evaluate thermal performance if operating near the upper temperature limit of 125°C.
Part Context
The STG3159DTR belongs to the STG3159 family of analog switches. The 'D' suffix indicates the 6-DFN package type, while 'TR' denotes tape and reel packaging. This series is designed for low-power, high-speed switching applications in portable electronics. The device integrates protection features typical of modern analog switches, though specific ESD ratings should be verified in the datasheet.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Verify cross-references with official STMicroelectronics documentation or authorized distributor substitution guides.
