Linear Technology LT6657
Buffered Reference
FEATURES
nn Low Drift nn A Grade: 1.5ppm/°C Max nn B Grade: 3ppm/°C Max nn Low Noise: nn 0.5ppmP-P (0.1Hz to 10Hz) nn 0.8ppmRMS (10Hz to 1kHz) nn Wide Supply Range to 40V nn Sources and Sinks 10mA Min nn Line Regulation: 0.2ppm/V nn Load Regulation: 2µV/mA nn Reverse Supply Protection nn Reverse Output Protection nn Low Power Shutdown: <4µA Max nn 1.5V Min Supply for 1.25V Option nn Thermal Protection nn Can Operate in Shunt Mode nn Configurable as a Negative Reference nn Available Output Voltage Options: 1.25V, 2.5V, 3V, 4.096V, 5V nn MSOP-8 PackageAPPLICATIONS
nn High Temperature Industrial nn High Resolution Data Acquisition Systems nn Instrumentation and Process Control nn Automotive Control and Monitoring nn Medical Equipment nn Shunt and Negative Voltage ReferencesDESCRIPTION
The LT®6657 is a precision voltage reference that combines robust operating characteristics with extremely low drift and low noise. With advanced curvature compensation, this bandgap reference achieves 1.5ppm/°C drift with predictable temperature behavior, and an initial voltage accuracy of 0.1%.