- Input Bias Current (V CM = 1V)
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Maximum @ 25°C
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± 20 FA |
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Max @ 85°C
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± 900 FA |
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Offset voltage
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± 26μV |
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Offset voltage drift
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-1.5μV/ ° C |
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DC open-loop gain
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120 dB
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DC CMRR
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100 dB
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Input Voltage Noise (F = 1 kHz)
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6.5 NV / √ hertz
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Total harmonic distortion
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0.0007％ |
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Supply current
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1.3 mA
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| GBW |
17 MHz
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Slew rate (falling edge)
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12.76 V/μs
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Supply voltage
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1.8V to 5.5V
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Operating temperature range
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-40°C to 125°C
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8-pin SOIC
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illustrate
LMP7721 is the industry's lowest guaranteed input bias current high-precision amplifier. The ultra-low input bias current is 3 shots, with a guaranteed limit of ± 20 FA at 25 °C and ± 900 FA at 85 °C. This is an amplifier circuit with the latest patent-pending input bias current cancellation of the latest technology. This technology also maintains ultra-low input bias current through the amplifier's entire input common-mode voltage range.
Other standout features such as low voltage noise (6.5 NV/) ), low DC offset voltage (± 150μV up to 25°C) and low offset voltage temperature coefficient (-1.5μV/°C) to improve high accuracy, sensitivity and accuracy of the application system. With a supply voltage range of 1.8V to 5.5V, LMP7721 is ideal for battery-powered portable applications. LMP7721 is part of LMP's range of high-precision amplifiers.
As part of National Semiconductor's PowerWise offering, LMP7721 offers a significantly wide gain bandwidth of 17 MHz (GBW) while consuming only 1.3 milliamps. The 120 dB GBW of high open-loop gain enables precise signal conditioning. With these specifications, LMP7721 performance for a wide range of applications such as electrochemical battery amplifiers and sensor interface circuits in Excel.
LMP7721 is a special leadout that isolates the input and output pins of the power amplifier in an 8-pin SOIC package. With the right board layout techniques, unique LMP7721 leads will reach the input pins to prevent PCB leakage current. This will further reduce system errors.
apply
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