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INA253 데이터시트(Datasheet) 12 Page - Texas Instruments

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부품명 INA253
상세내용  High Voltage, Bidirectional, Zero-Drift, Current-Shunt Monitor with Integrated 2-mΩ Precision Low Inductive Shunt Resistor
PDF  24 Pages
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제조사  TI1 [Texas Instruments]
홈페이지  http://www.ti.com
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 12 page
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+
±
REF2
REF1
VS
GND
OUT
PWM
Rejection
50k
50k
IS+
IS-
IN+
IN-
SH+
SH-
2mO
0.1%
+
±
REF2
REF1
VS
GND
OUT
PWM
Rejection
50k
50k
IS+
IS-
IN+
IN-
SH+
SH-
2mO
0.1%
REF5025
2.5±V
Reference
12
INA253
SLOS954 – MAY 2018
www.ti.com
Product Folder Links: INA253
Submit Documentation Feedback
Copyright © 2018, Texas Instruments Incorporated
Device Functional Modes (continued)
8.4.4.1 Output Set to External Reference Voltage
Connecting both pins together and then to a reference voltage results in an output voltage equal to the reference
voltage for the condition of shorted input pins or a 0-V differential input. This configuration is shown in Figure 7.
The output voltage decreases below the reference voltage when the IN+ pin is negative relative to the IN– pin
and increases when the IN+ pin is positive relative to the IN– pin. This technique is the most accurate way to
bias the output to a precise voltage.
Figure 7. External Reference Output
8.4.5 Output Set to Mid-Supply Voltage
By connecting one reference pin to VS and the other to the GND pin, the output is set at half of the supply when
there is no differential input, as shown in Figure 8. This method creates a ratiometric offset to the supply voltage,
where the output voltage remains at VS / 2 for 0 V applied to the inputs.
Figure 8. Mid-Supply Voltage Output




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