INA191A1IYFDR
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Описание
INAx191 Current Sense Amplifier
Texas Instruments INAx191 Current Sense Amplifier is a low-power, voltage-output, current-shunt monitor (also called a current-sense amplifier). This amplifier is commonly used for overcurrent protection, precision-current measurement for system optimization, or closed-loop feedback circuits. It can sense drops across shunts at common-mode voltages from -0.2V to +40V, independent of the supply voltage. The low input bias current of the INAx191 permits the use of larger current-sense resistors, and thus provides accurate current measurements in the µA range. Five fixed gains are available: 25V/V, 50V/V, 100V/V, 200V/V, or 500V/V. The low offset voltage of the zero-drift architecture extends the dynamic range of the current measurement. This also allows for smaller sense resistors with lower power loss while still providing accurate current measurements.
Texas Instruments INAx191 Current Sense Amplifier is a low-power, voltage-output, current-shunt monitor (also called a current-sense amplifier). This amplifier is commonly used for overcurrent protection, precision-current measurement for system optimization, or closed-loop feedback circuits. It can sense drops across shunts at common-mode voltages from -0.2V to +40V, independent of the supply voltage. The low input bias current of the INAx191 permits the use of larger current-sense resistors, and thus provides accurate current measurements in the µA range. Five fixed gains are available: 25V/V, 50V/V, 100V/V, 200V/V, or 500V/V. The low offset voltage of the zero-drift architecture extends the dynamic range of the current measurement. This also allows for smaller sense resistors with lower power loss while still providing accurate current measurements.
Технические параметры
Amplifier Type: | High-Side Current Sense Amplifier |
Brand: | Texas Instruments |
CMRR - Common Mode Rejection Ratio: | 150 dB |
Factory Pack Quantity: Factory Pack Quantity: | 3000 |
Gain Error: | -0.17% |
Gain V/V: | 25 V/V |
GBP - Gain Bandwidth Product: | 45 kHz |
Ib - Input Bias Current: | 3 nA |
Ios - Input Offset Current: | 70 pA |
Manufacturer: | Texas Instruments |
Maximum Operating Temperature: | +125 C |
Minimum Operating Temperature: | -40 C |
Mounting Style: | SMD/SMT |
Number of Channels: | 1 Channel |
Operating Supply Current: | 65 uA |
Package / Case: | DSBGA-6 |
Product Category: | Current Sense Amplifiers |
Product Type: | Current Sense Amplifiers |
Product: | Current Sense Amplifiers |
Series: | INA191 |
Settling Time: | 30 us |
Shutdown: | No Shutdown |
SR - Slew Rate: | 0.3 V/us |
Subcategory: | Amplifier ICs |
Supply Voltage - Max: | 5.5 V |
Supply Voltage - Min: | 1.7 V |
Vcm - Common Mode Voltage: | -200 mV to 40 V |
Vos - Input Offset Voltage: | -2.5 uV |
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