SDAA459 July 2026 TMUX1108
Pressure transmitters are typically built around piezoresistive or capacitive Wheatstone bridge sensing elements. Higher-performance pressure transmitters can use two bridge elements to enhance sensitivity, accuracy, and temperature stability. Use a 2:1 MUX to alternate between the positive and negative reference voltages that feed into an Amp/ADC for quick and efficient measurements, reducing the need for multiple ADC inputs. Higher channel and voltage options are available for systems requiring more sensing elements and for higher excitation voltages.
| Part Number | Vcc Range (V) | Channel Count | Configuration | Ron (Ω) | Features |
|---|---|---|---|---|---|
| TS5A3159A | 5 | 1 | 2:1 | 0.7 |
|
| TMUX6219 | 36 | 1 | 2:1 | 2 |
|
| TMUX7234 | 44V | 4 | 2:1 | 3.5 |
|