AD1B60

The AD1B60 is an intelligent, microcontroller-based device that performs signal conditioning, excitation, compensation, linearization, and analog-to-digital conversion for a variety of low bandwidth industrial and analytical signals. Due to its highly integrated, mixed-signal design, the AD1B60 is small and inexpensive, offering designers increased flexibility and performance.

The AD1B60 is suited primarily for use with thermocouples and resistance temperature detectors (RTDs), but also accepts a broad range of low and high level voltage inputs. The AD1B60 converts sensor inputs to compensated, linearized, scaled, and autozeroed outputs represented in engineering units: degrees Celsius or volts.

Four modes of cold junction compensation (CJC) are supported for thermocouple applications. The AD1B60 also provides lead resistance compensation for 3-wire or 4-wire RTD connections.

Data is transmitted serially to simplify use of external optical and/or magnetic isolation devices. The AD1B60 has a bidirectional asynchronous communications port for control and for data output. Data is also available via a high-speed synchronous data output port.

Configuration parameters such as the input range and integration time of the AD1B60 can be programmed, both prior to installation and in the application. The AD1B60 incorporates EEPROM to store default and user-specified configuration and calibration values. No battery backups, potentiometers, or userdeveloped calibration software routines are required and no recalibration is necessary when the input range is changed.