LT1009 - 2.5V Reference
The LT1009 is a precision trimmed 2.5V Shunt Regulator Diode featuring a maximum initial tolerance of only 5mV. The low dynamic impedance and wide operating current range enhances its versatility. The 0.2% reference tolerance is achieved by on-chip trimming which not only minimizes the initial voltage tolerance but also minimizes the temperature drift.
Even though no adjustments are needed with the LT1009 a third terminal allows the reference voltage to be adjusted 5% to calibrate out system errors. In many applications, the LT1009 CAN be used as a pin-to-pin replacement of the LM136 and the external trim network eliminated.
For a lower drift 2.5V reference, see the LT1019 data sheet.
By Linear Technology Corporation
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