Overview
A newer wide-range dual-channel TDS ASIC with probe-status diagnostics, bipolar drive and application calibration commands. It is designed for appliances that need both broader range and better diagnostic coverage.
Sensor Interface ASICsCurrent model
BA112
Wide-range Dual-channel TDS & Temperature ASIC | TDS sensor IC
Wide-range dual-channel TDS and temperature ASIC with probe diagnostics, two-point calibration and automatic BURST mode.
Original manufacturer · Factory-direct supply
Questions go straight to the source
Ask about parameters, interfaces, calibration, versions, customization or volume supply. The answer does not need to pass through layers of resellers.
- In-house R&DOptics, sensor-interface electronics, algorithms, firmware and mechanical integration are developed as one product system.
- Production capabilityFrom prototype and pilot build to assembly, functional testing and volume delivery, production follows the product team’s technical definition.
- Quality traceabilityModel, specification, firmware or hardware version and test requirements remain connected, reducing ambiguity between sales claims and delivered goods.
Overview
Why this product
Wide-range dual-channel TDS and temperature ASIC with probe diagnostics, two-point calibration and automatic BURST mode.
A newer wide-range dual-channel TDS ASIC with probe-status diagnostics, bipolar drive and application calibration commands. It is designed for appliances that need both broader range and better diagnostic coverage.
BA112 integrates two TDS channels, two temperature channels, bipolar probe drive, suspended-probe and NTC fault detection, two-point calibration, UART control and automatic BURST operation for wide-range appliance designs.
- ✓Two TDS and two temperature channels
- ✓0–10000 ppm wide-range measurement
- ✓Suspended-probe and NTC open/short diagnostics
- ✓Bipolar drive and two-point calibration
- ✓UART commands plus automatic BURST mode
Verified technical detail
Information to provide for selection · Calibration, validation and maintenance
Wide-range dual-channel TDS and temperature ASIC with probe diagnostics, two-point calibration and automatic BURST mode.
Interface / Supply
UART, 9600 bps; automatic BURST mode · 3.3 V or 5 V; ripple <20 mV; current <3 mA
Measurement Range / Accuracy
0–10000 ppm TDS, dual channel · <2% F.S. at 0–2000 ppm; <5% F.S. at 2000–10000 ppm
Installation and commissioning
Use identical probes on both channels and separate them by at least 0.5 m in the same water.
Verified technical detail
Engineering and integration
The official Chinese document is currently shared by every language version.
Engineering and integration
- 01
0–10000 ppm range: below 2% F.S. from 0–2000 ppm and below 5% F.S. from 2000–10000 ppm.
- 01
Two TDS and two temperature channels; -10–100 °C with ±0.5 °C reference accuracy.
- 01
3.3 V or 5 V supply, below 3 mA; UART 9600 bps in SOP14.
- 01
Detects suspended probes and NTC open/short conditions; supports two-point calibration and automatic BURST operation.
Installation and commissioning
- ✓
Use identical probes on both channels and separate them by at least 0.5 m in the same water.
- ✓
Use the official calibration commands when integrating probes other than the matched BA01 probe.
- ✓
Verify supply and digital levels for the chosen 3.3 V or 5 V system.
Product and document views
Public documents
BA112 中文规格书Applications
Typical applications
Use the product as part of a complete measurement workflow, not as an isolated component. Confirm the water matrix, target range and decision that the data must support.
Drinking Water & Purification
Integrated TDS and conductivity components for dispensers, purifiers, filter-life estimation and quality indication.
Industrial Process Water
Digital sensors and embedded ASICs for equipment builders, automation systems and water-intensive production.
Smart Appliances
Small-footprint sensing electronics for connected water devices, pet appliances and intelligent home products.
Typical applications are reference cases, not capability limits.
Propose a new application →The applications above are common examples. If this measurement principle may solve a different problem in your field, we welcome a feasibility discussion.
Technology
From selection to reliable data
- 01
Define the measurement objective and expected range.
- 02
Match the sensor, probe or analyzer to the real sample matrix.
- 03
Complete mechanical, electrical and communication integration.
- 04
Validate results with reference samples before routine operation.
Engineered for dependable integration
Integration and installation checklist
- ✓Target parameters and expected concentration range
- ✓Water matrix, fouling risk and installation method
- ✓Communication interface and sampling frequency
- ✓Calibration, validation and maintenance strategy
- ✓Information to provide for selection: BA112 · Sensor Interface ASICs
Calibration, validation and maintenance
Validate the complete system with representative samples. Record the reference method, temperature and installation conditions. Recheck after cleaning, replacement or process changes, and define a maintenance interval from actual fouling rather than a fixed assumption.
FAQ
Frequently asked questions
Is this product ready to use in every water matrix?
The product platform is defined, but range, calibration and installation must still be confirmed against the actual water matrix and project objective.
What should be checked before integration?
Confirm power, interface, cable length, enclosure, sampling frequency, probe position and the host system data format.
How should measurement quality be verified?
Compare representative samples with an agreed reference method and document the acceptance criteria before commissioning.
Can datasheets, protocol information and engineering support be supplied?
Yes. Ask for the current ordering specification and describe your application so the correct materials can be supplied.
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