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INA241A Datasheet (PDF) - Texas Instruments

INA241A Datasheet PDF - Texas Instruments
Part # INA241A_V01
Download  INA241A Download

File Size   2301.8 Kbytes
Page   32 Pages
Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments
Description INA241x –5 V to 110 V, Bidirectional, Ultra-Precise Current Sense Amplifier With Enhanced PWM Rejection

INA241A Datasheet (PDF)

Go To PDF Page Download Datasheet
INA241A Datasheet PDF - Texas Instruments

Part # INA241A_V01
Download  INA241A Click to download

File Size   2301.8 Kbytes
Page   32 Pages
Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments
Description INA241x –5 V to 110 V, Bidirectional, Ultra-Precise Current Sense Amplifier With Enhanced PWM Rejection

INA241A Datasheet (HTML) - Texas Instruments

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INA241A Product details

1 Features
• Enhanced PWM rejection optimized for systems
subject to switching common-mode voltages
– Supports switching frequencies up to 125 kHz
• Wide common-mode voltage:
– Operational voltage: −5 V to +110 V
– Survival voltage: −20 V to +120 V
• Bidirectional operation
• High small signal bandwidth: 1.1 MHz (at all gains)
• Slew rate: 8 V/μs
• Step response settling time to 1%: 1 μs
• Excellent CMRR
– 166 dB DC-CMRR
– 104 dB AC-CMRR at 100 kHz
– 89 dB AC-CMRR at 1 MHz
• Accuracy:
– Gain error (maximum)
• Version A: ±0.01%, ±1 ppm/°C drift
• Version B: ±0.1%, ±5 ppm/°C drift
– Offset voltage (maximum)
• Version A: ±10 μV, ±0.1 μV/°C drift
• Version B: ±150 μV, ±0.5 μV/°C drift
• Available gains:
– INA241A1, INA241B1 : 10 V/V
– INA241A2, INA241B2 : 20 V/V
– INA241A3, INA241B3 : 50 V/V
– INA241A4, INA241B4 : 100 V/V
– INA241A5, INA241B5 : 200 V/V
• Package options: SOT23-8, VSSOP-8

2 Applications
• Motor drives
• Solenoids and actuators
• Injection molding machine
• Cordless power tools
• Medical cordless tools
• Drone propeller speed control

3 Description
The INA241x is an ultra-precise, bidirectional current
sense amplifier than can measure voltage drops
across shunt resistors over a wide common-mode
range from –5 V to 110 V, independent of the supply
voltage. The high-precision current measurement
is achieved through a combination of low offset
voltage (±10 μV, maximum), small gain error
(±0.01%, maximum) and a high DC CMRR (typical
166 dB). The INA241x is designed for high voltage,
bidirectional measurements in switching systems
that see large common-mode voltage transients at
the device's inputs. The enhanced PWM rejection
circuitry inside the INA241x ensures minimal signal
disturbance at the output due to the common-mode
voltage transitions at the input.
The INA241x operates from a single 2.7 V to 20 V
supply, drawing 2.5 mA of supply current. The
INA241x is available in five gain options: 10 V/V,
20 V/V, 50 V/V, 100 V/V, and 200 V/V. Multiple
gain options allow for optimization between available
shunt resistor values and wide output dynamic range
requirements.
The INA241x is specified over operating temperature
range of −40°C to +125°C and is offered in a spacesaving
8-pin SOT-23 and 8-pin VSSOP package.




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About Texas Instruments


Texas Instruments (TI) is a publicly traded company that designs and manufactures semiconductor and computer technology products.

It was founded in 1930 and is headquartered in Dallas, Texas.

TI is a global leader in the production of analog and digital signal processing (DSP) integrated circuits, as well as embedded processors and other microcontroller products.

The company serves customers in a variety of industries, including automotive, communications, computing, industrial, and consumer electronics.

TI's product portfolio includes data converters, amplifiers and comparators, power management ICs, microcontrollers, sensors, and wireless connectivity solutions, among others.

TI is committed to innovation and customer satisfaction, and has a long history of delivering high-quality, reliable products to its customers.

With a focus on sustainability and energy efficiency, TI is dedicated to making a positive impact on the world through its technology and products.

*This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.




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