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Details for LMP8645HVMKE by Texas Instruments
Semiconductors - ICs > Amplifiers & Comparators > Current Sense Amplifiers
IC AMP CURRENT SENSE 6TSOT
LMP8645HVMKE image

LMP8645HVMKE by Texas Instruments

IC AMP CURRENT SENSE 6TSOT
Features
6-Pin SOT Package
CMRR 95 dB
Gain Configurable With a Single Resistor
High Common-Mode Voltage Range u2013 LMP8645 u20132 V to 42 V u2013 LMP8645HV u20132 V to 76 V
Input Bias 12 u03bcA
Low Offset Voltage 1 mV
Maximum Variable Gain Accuracy (With External Resistor) 2%
PSRR 90 dB
Supply Voltage Range 2.7 V to 12 V
Temperature Range u221240u00b0C to 125u00b0C
Transconductance 200 u03bcA/V
Typical Values, TA = 25u00b0C
Part Information
LMP8645HVMKE image
RoHS Compliant
Description
The LMP8645 and the LMP8645HV devices are precision current sense amplifiers that detect small differential voltages across a sense resistor in the presence of high-input common-mode voltages. Operating from a supply range of 2.7 V to 12 V, the LMP8645 accepts input signals with a common-mode voltage range of –2 V to 42 V, while the LMP8645HV accepts input signals with a common-mode voltage range of –2 V to 76 V. The LMP8645 and LMP8645HV have adjustable gain for applications where supply current and high common-mode voltage are the determining factors. The gain is configured with a single resistor, providing a high level of flexibility, as well as accuracy as low as 2% (maximum) including the gain setting resistor. The output is buffered to provide low output impedance. This high-side current sense amplifier is ideal for sensing and monitoring currents in DC or batterypowered systems, has excellent AC and DC specifications over temperature, and keeps errors in the current sense loop to a minimum. The LMP8645 is an ideal choice for industrial, automotive, and consumer applications, and is available in SOT-6 package.
Specifications
No. of Amplifiers:
1 Amplifier, 1Amplifiers
Input Bias Current:
23µA
Amplifier Case Style:
TSOT
No. of Pins:
6Pins
Operating Temperature Min:
-40°C
Operating Temperature Max:
125°C
Bandwidth:
860kHz
Supply Voltage Min:
2.7V
Supply Voltage Max:
12V
Input Offset Voltage:
1.7mV
CMRR:
95dB
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
-
SVHC:
No SVHC (27-Jun-2018)
Bias Current:
13µA
Gain dB Max:
100dB
Operating Temperature Range:
-40°C to +125°C
Output Current Per Channel:
5mA
Slew Rate:
0.6V/µs
Supply Current:
555µA
Supply Voltage Range:
2.7V to 12V