LT1009_06 Datasheet, PDF (7/17 Pages) Texas Instruments – 2.5-V INTEGRATED REFERENCE CIRCUIT

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APPLICATION INFORMATION (continued)
LT1009
2.5-V INTEGRATED REFERENCE CIRCUIT
SLVS013L – MAY 1987 – REVISED SEPTEMBER 2005
5V
5.1 kΩ
5V
−5 V
5.1 kΩ
LT1009
10 kΩ
1%
Output
9.76 kΩ
1%
500 Ω
5 kΩ
−5 V
Figure 11. Switchable ±1.25-V Bipolar Reference
1 µF
V_I ≥ 6 V
10 kΩ
1 kΩ
10 kΩ
100 kΩ
LT1009
−
1 kΩ
+
+
20 µF
+
20 µF
LT1001C
2.5 V
Figure 12. Low-Noise 2.5-V Buffered Reference
7