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Product Detailed Parameters
- Description：IC SWITCH SPDT X 1 3OHM SOT23-6
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Switch Circuit：SPDT
- Multiplexer/Demultiplexer Circuit：2:01
- On-State Resistance (Max)：3Ohm (Typ)
- Channel-to-Channel Matching (ΔRon)：150mOhm
- Voltage - Supply, Single (V+)：1.08V ~ 5.5V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：-
- -3db Bandwidth：250MHz
- Charge Injection：-10pC
- Channel Capacitance (CS(off), CD(off))：7pF
- Current - Leakage (IS(off)) (Max)：5nA (Typ)
- Crosstalk：-45dB @ 10MHz
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：SOT-23-6
- Supplier Device Package：SOT-23-6
- Number of Circuits：1
- Grade：-
- Qualification：-
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Overview
The TMUX1219DBVR is a single-pole double-throw (SPDT) analog switch manufactured by Texas Instruments in a SOT-23-6 package. It operates on a single supply voltage ranging from 1.08 V to 5.5 V, supporting bidirectional analog and digital signals across the full rail-to-rail range. The device features a low on-resistance of 3 Ω at 5 V and maintains a maximum of 6 Ω across the extended temperature range. It draws a typical supply current of 4 nA and includes fail-safe logic for control inputs. The component supports break-before-make switching with a transition time of approximately 14 ns.
Feature Summary
- Bidirectional signal path supporting both analog and digital signals
- Fail-safe logic allows control pin voltage application prior to power supply
- 1.8 V logic compatible thresholds ensure compatibility with various logic families
Applications
- I2C and SPI bus multiplexing
- Analog and digital switching
- Remote radio units
- Barcode scanners
- Motor drives
Procurement Notes
Verify the specific ordering suffix DBVR corresponds to the SOT-23-6 surface-mount package configuration. Confirm that the selected variant meets the required thermal resistance specifications for the intended PCB layout. Ensure compliance with RoHS directives as indicated in the manufacturer documentation before finalizing procurement orders.
Selection Notes
Select this component when a general-purpose SPDT switch with low quiescent current is required. The wide supply range accommodates systems operating between 1.08 V and 5.5 V. Consider the 3 Ω on-resistance for signal integrity requirements. The SOT-23-6 package is suitable for space-constrained designs requiring surface-mount technology.
Part Context
The TMUX1219 belongs to the TMUX121x family of CMOS switches designed for portable and battery-powered applications. The DBVR suffix specifically denotes the SOT-23-6 package variant, distinguishing it from other package options like SC70. This part is engineered for high reliability in consumer electronics and industrial automation environments.
Replacement Considerations
Consult the official datasheet for alternative packages within the same series, such as the TMUX1219DCKR, which utilizes an SC70-6 package. Verify pinout compatibility and electrical parameter equivalence before substituting components in existing designs.
