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INA191 bảng dữ liệu(PDF) 3 Page - Texas Instruments

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tên linh kiện INA191
Giải thích chi tiết về linh kiện  INAx191 40-V, Bidirectional, Ultra-Precise Current Sense Amplifier With picoamp IB and ENABLE in WCSP Package
PDF  41 Pages
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nhà sản xuất  TI [Texas Instruments]
Trang chủ  http://www.ti.com
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INA191 bảng dữ liệu(HTML) 3 Page - Texas Instruments

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5 Pin Configuration and Functions
1
2
3
A
B
Not to scale
IN+
VS
OUT
IN±
GND
ENABLE
Figure 5-1. INA191 YFD Package 6-Pin DSBGA Top View
Table 5-1. Pin Functions (INA191)
PIN
TYPE
DESCRIPTION
NAME
NO.
ENABLE
B3
Digital input
Enable pin. When this pin is driven to VS, the device is on and functions as a current sense
amplifier. When this pin is driven to GND, the device is off, the supply current is reduced,
and the output is placed in a high-impedance state. This pin must be driven externally, or
connected to VS if not used.
GND
B2
Analog
Ground.
IN+
A1
Analog input
Current-shunt monitor positive input. For high-side applications, connect this pin to the bus
voltage side of the sense resistor. For low-side applications, connect this pin to the load side
of the sense resistor.
IN–
B1
Analog input
Current-shunt monitor negative input. For high-side applications, connect this pin to the load
side of the sense resistor. For low-side applications, connect this pin to the ground side of
the sense resistor.
OUT
A3
Analog output
This pin provides an analog voltage output that is the amplified voltage difference from the
IN+ to the IN– pins.
VS
A2
Analog
Power supply, 1.7 V to 5.5 V.
www.ti.com
INA191, INA2191
SLYS020B – FEBRUARY 2019 – REVISED FEBRUARY 2021
Copyright © 2021 Texas Instruments Incorporated
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Product Folder Links: INA191 INA2191



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