Texas Instruments TMUX1248 2:1 SPDT General Purpose Switch
Texas Instruments TMUX1248 2:1 SPDT General Purpose Switch supports bidirectional analog and digital signals on the source (Sx) and drain (D) pins ranging from GND to VDD. The select pin (SEL) state controls which of the two source pins are connected to the drain pin. The TI TMUX1248 provides a low supply current of 7nA, enabling the device to be used in a host of handheld or low-power applications.
The device offers break-before-make switching that adds robustness to the system by preventing source signals from shorting during switching events. The break-before-make switching prevents both source pins from being enabled simultaneously.
All logic inputs have 1.8V logic compatible thresholds, allowing for operation with low voltage logic signals. Fail-Safe Logic circuitry allows voltages on the control pins to be applied before the supply pin or at a higher voltage than the supply pin-up to 5.5V, protecting the TMUX1248 from potential damage.
The TMUX1248 Switch supports a wide operating range of 1.08V to 5.5V and is housed in an SC70 package.
Features
- Rail-to-rail operation
- Bidirectional signal path
- 1.8V Logic compatible
- Fail-safe logic
- 5.5V Control input overvoltage tolerance
- 3Ω Low On-resistance
- 1.08V to 5.5V Wide supply range
- -40°C to +125°C Operating temperature
- 7nA Low supply current
- Break-before-make switching
Applications
- Analog and digital switching
- I2C and SPI bus multiplexing
- Rack server
- Network interface card (NIC)
- Barcode scanner
- Building automation
- Analog input module
- Motor drives
- Video surveillance
- Electronic point of sale
- Desktop PC
- Appliances
Block Diagram
Application Example
Published: 2021-07-13
| Updated: 2022-03-11