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REF1004 Datasheet(PDF) 7 Page - Burr-Brown (TI)

[Old version datasheet] Texas Instruments acquired Burr-Brown Corporation.
Part No. REF1004
Description  1.2V and 2.5V Micropower VOLTAGE REFERENCE
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Maker  BURR-BROWN [Burr-Brown (TI)]
Homepage  http://www.burr-brown.com
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REF1004 Datasheet(HTML) 7 Page - Burr-Brown (TI)

   
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®
7
REF1004
FIGURE 1. Low-Noise Reference.
FIGURE2. Micropower Reference from 9V Battery.
1.5V (see Note)
REF1004-1.2
3k
1.235V
NOTE: Output regulates
to 1.285V for I
O = 0.
FIGURE 3. 1.2V Reference from 1.5V Battery.
FIGURE 4. 2.5V Reference.
+
100µA
V
I ≥ 5V
22
REF1004-1.2
Output
5µF
9V
REF1004-1.2
510k
1.235V
5V
REF1004-2.5
50k
2.5V
FIGURE 5. Lead-Acid Low-Battery-Voltage Detector.
TLC271
LO = Battery Low
12V
Battery Output
1M
R
1
(1)
1%
133k
1%
REF1004-1.2
NOTE: (1) R
1 sets trip point, 60.4kΩ per cell for 1.8V per cell.


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