Water Sensor Interface ASICs
BA111
Single-channel TDS Sensor Interface ASICHighly integrated TDS and water-temperature measurement ASIC with bipolar probe drive and UART control.
Learn More →Applications
Smart Water Appliances & OEM Integration
Interface ASICs, compact probes and customizable sensing assemblies for connected water appliances.
Application approach
From measurement point to actionable data
Interface ASICs, compact probes and customizable sensing assemblies for connected water appliances.
- ConductivityConfirm against the sample, range and operating environment.
- TDSConfirm against the sample, range and operating environment.
- TemperatureConfirm against the sample, range and operating environment.
- Filter trendConfirm against the sample, range and operating environment.
- Inlet/outlet deltaConfirm against the sample, range and operating environment.
- Quality flagConfirm against the sample, range and operating environment.
Measurement points
Place measurements around the workflow
- 01Product inlet
- 02Before filter
- 03After filter
- 04User display or control
Implementation
From requirements to field validation
- 01Define taskUse real samples and system conditions.
- 02Choose pointsUse real samples and system conditions.
- 03Validate samplesUse real samples and system conditions.
- 04Operate and reviewUse real samples and system conditions.
Products
Recommended products
Final selection depends on parameters, installation and validation.
Water Sensor Interface ASICs
BA121S
Low-range Conductivity Interface ASICHigh-resolution low-conductivity measurement ASIC for purified-water and precision applications.
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Water Sensor Interface ASICs
BA112
Wide-range Dual-channel TDS & Temperature ASICWide-range dual-channel TDS and temperature ASIC with probe diagnostics, two-point calibration and automatic BURST mode.
Learn More →Insights
Related insights
Smart Water Appliance Sensor Front-End Design: TDS, Conductivity Measurement ASIC, Probe, and Mass Production Calibration
For water purifiers, dispensers, pet water fountains, and smart bathrooms, explains how to select TDS/conductivity ASICs, design probes, implement temperature compensation, anti-polarization, calibration, and mass production testing.
Read Article →Conductivity & TDS Sensor ASIC Selection Matrix: How to Choose Channels, Range, Resolution, Probe, and Interface
Complete BA series ASIC selection based on engineering needs, not model numbers. Compare key differences in single-channel, multi-channel, low-conductivity, small-package, temperature compensation, and UART integration.
Read Article →How to Choose a TDS or Conductivity ASIC for an OEM Product
Channel count, range, probe polarization, temperature compensation and interface choices explained.
Read Article →