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REF5040 Folha de dados(PDF) 11 Page - Burr-Brown (TI)

[Old version datasheet] Texas Instruments acquired Burr-Brown Corporation. Click here to check the latest version.
Nome de Peças REF5040
Descrição Electrónicos  Low-Noise, Very Low Drift, Precision VOLTAGE REFERENCE
PDF  18 Pages
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Fabricante Electrônico  BURR-BROWN [Burr-Brown (TI)]
Página de início  http://www.burr-brown.com
Logo BURR-BROWN - Burr-Brown (TI)

REF5040 Folha de dados(HTML) 11 Page - Burr-Brown (TI)

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APPLICATION CIRCUITS
DATA ACQUISITION
NEGATIVE REFERENCE VOLTAGE
ADS8326
REF5040
REF
V
OUT
GND
+IN
-
IN
V
IN
+5V
OPA365
Input
Signal
0Vto4V
+5V
+5V
V
DD
GND
C
BYPASS
1 F
m
R
1
50W
C
1
1.2nF
C
2
22 F
m
-
2.5V
+2.5V
+5V
NOTE:Bypasscapacitorsnotshown.
R
1
10kW
R
2
10kW
-
5V
OPA735
+5V
DNC
TEMP
V
OUT
V
IN
GND
DNC
NC
TRIM
REF5025
1 F
m
REF5020,, REF5025
REF5030, REF5040
REF5045, REF5050
SBOS410 – JUNE 2007
Data acquisition systems often require stable voltage
For applications requiring a negative and positive
references to maintain accuracy. The REF50xx family
reference voltage, the REF50xx and OPA735 can be
features low noise, very low drift, and high initial
used to provide a dual-supply reference from a 5V
accuracy
for
high-performance
data
converters.
supply. Figure 25 shows the REF5025 used to
Figure 26 shows the REF5040 in a basic data
provide a 2.5V supply reference voltage. The low drift
acquisition system.
performance of the REF50xx complements the low
offset voltage and zero drift of the OPA735 to provide
an accurate solution for split-supply applications.
Care must be taken to match the temperature
coefficients of R1 and R2.
Figure 26. Basic Data Acquisition System
Figure 25. The REF5025 and OPA735 Create
Positive and Negative Reference Voltages
11
Copyright © 2007, Texas Instruments Incorporated
Submit Documentation Feedback
Product Folder Link(s): REF5020 REF5025 REF5030 REF5040 REF5045 REF5050



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