Transcription of LTZ1000/LTZ1000A - Ultra Precision Reference
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LTZ1000/LTZ1000A - Ultra Precision Reference
LTZ1000/LTZ1000A . Ultra Precision Reference Features Description n VP-P Noise The LTZ1000 and LTZ1000A are Ultra -stable temperature n 2 V/ kHr Long-Term Stability controllable references. They are designed to provide 7V. n Very Low Hysteresis outputs with temperature drifts of C, about n C Drift VP-P of noise and long-term stability of 2 V/ kHr. n Temperature Stabilized n 400 C/W Thermal Resistance for LTZ1000A Reduces Included on the chip is a subsurface zener Reference , a heater resistor for temperature stabilization, and a tem- Insulation Requirements n Specified for 55 C to 125 C Temperature Range perature sensing transistor. External circuitry is used to n Offered in TO-99 package set operating currents and to temperature stabilize the Reference .
couple voltage. These thermocouple effects in the resistor can also interfere with the output voltage. Wire wound resistors usually have the lowest thermocouple voltage, while tin oxide type resistors have very high thermocouple voltage. Film resistors, especially Vishay precision film resistors, can have low thermocouple voltage.
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