Sensor signal conditioner for automotive, industrial automation and white goods applications
According to the vendor, the non-linear compensation feature implemented in the ZSSC3008 makes it possible to use less expensive transducers. The ZSSC3008 is optimized for applications with sensors that do not require temperature compensation because they have an intrinsically low temperature coefficient (TC). This includes ceramic pressure sensors, thin-film pressure sensors with good TC performance, and oil-filled stainless steel or passively compensated sensors. The calibrated ZSSC3008 and a specific sensor are mated digitally – faster and cheaper method than conventional trimming by external devices or laser.
The ZSSC3008 offers on-board diagnostics and protection features such as EEPROM signature, bridge connection checks, bridge input-short and open-bridge detection, power loss detection, and output current limits for short-circuit protection. For sensor correction, the device employs offset correction and gain programming to precisely calibrate the bridge output signal. Two analog and one digital outputs offer versatility across many applications.
Programming and single-pass calibration of sensor and signal conditioner circuit is implemented in a standard PC environment using the ZSSC3008KIT development tools. The kit includes the device, development board, USB cable, and calibration software.
The ZSSC3008’s standard supply voltage is 2.7 to 5.5 V, or up to 30 V with external JFET. Accuracy is 0.25 % over the -25 to +85 °C range, and 0.5 % from -40 to +125 °C. Depending upon configuration, current consumption typically ranges from 1 mA down to 250 μA. Response time is typically 1 ms.
The ZSSC3008 comes in a SOP8 package. Unit prices start at 1.40 EUR, or 1.83 USD, in volumes of 1,000 devices. For more information, visit https://www.zmdi.com/zssc3008.
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