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Product Detailed Parameters
- Description：IC SWITCH SPDT X 4 450MOHM DIE
- Series：-
- Mfr：Texas Instruments
- Package：Tube
- Switch Circuit：SPDT
- Multiplexer/Demultiplexer Circuit：2:01
- On-State Resistance (Max)：450mOhm
- Channel-to-Channel Matching (ΔRon)：50mOhm
- Voltage - Supply, Single (V+)：1.65V ~ 4.3V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：23ns, 32ns
- -3db Bandwidth：35MHz
- Charge Injection：139pC
- Channel Capacitance (CS(off), CD(off))：50pF
- Current - Leakage (IS(off)) (Max)：20nA
- Crosstalk：-73dB @ 100kHz
- Operating Temperature：25°C
- Mounting Type：Surface Mount
- Package / Case：Die
- Supplier Device Package：Die
- Number of Circuits：4
- Grade：-
- Qualification：-
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Overview
The TS3A44159TD2 is a quad single-pole double-throw (SPDT) analog switch manufactured by Texas Instruments. It integrates four independent channels within a single package, functioning as a 4-channel 2:1 multiplexer or demultiplexer controlled by two logic inputs. The device supports a supply voltage range from 1.65 V to 4.3 V and operates over an extended temperature range of -40°C to +85°C. Key electrical specifications include a maximum on-resistance of 450 mΩ, a maximum propagation delay of 23 ns, and a maximum off-time of 32 ns. The component draws a maximum supply current of 700 nA and handles a DC switch current of 100 mA.
Feature Summary
- Integrates four independent SPDT analog switches for signal routing
- Operates with low supply voltage down to 1.65 V
- Features low on-resistance for minimal signal attenuation
- Supports bidirectional signal flow
Applications
- Audio and video signal switching
- Portable consumer electronics
- Mobile phone peripheral interfacing
- MP3 and media player signal routing
Procurement Notes
Verify the specific suffix 'TD2' against the official Texas Instruments datasheet to confirm the exact package type and tape-and-reel specifications. Ensure compatibility with the required operating temperature range and supply voltage levels before integration into the design.
Selection Notes
Select this component when a compact solution for routing multiple analog signals is required. The quad configuration reduces board space compared to discrete switches. Verify that the 450 mΩ on-resistance meets the signal integrity requirements of the application circuit.
Part Context
This part belongs to the TS3A44159 family of analog switches. The family is designed for portable applications requiring low power consumption and small footprint. The TD2 suffix typically denotes a specific package variant, such as a QFN or similar surface-mount option, distinct from the TSSOP or RGTR variants.
Replacement Considerations
Direct substitutes include other Texas Instruments quad SPDT switches like the TS3A44159RGTR or TS3A44159PWR. Verify pinout compatibility and package dimensions before substitution.
