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LMP2022MA Datasheet(PDF) 1 Page - Texas Instruments |
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LMP2022MA Datasheet(HTML) 1 Page - Texas Instruments |
1 / 31 page LMP2021, LMP2022 www.ti.com SNOSAY9E – SEPTEMBER 2008 – REVISED MARGH 2013 LMP2021/LMP2022 Zero Drift, Low Noise, EMI Hardened Amplifiers Check for Samples: LMP2021, LMP2022 1 FEATURES DESCRIPTION The LMP2021/LMP2022 are single and dual precision 23 (Typical Values, TA = 25°C, VS = 5V) operational amplifiers offering ultra low input offset • Input Offset Voltage (Typical) −0.4 µV voltage, near zero input offset voltage drift, very low • Input Offset Voltage (Max) ±5 µV input voltage noise and very high open loop gain. They are part of the LMP™ precision family and are • Input Offset Voltage Drift (Typical) -0.004 µV/°C ideal for instrumentation and sensor interfaces. • Input Offset Voltage Drift (Max) ±0.02 µV/°C The LMP2021/LMP2022 have only 0.004 µV/°C of • Input Voltage Noise, AV = 1000 11 nV/√Hz input offset voltage drift, and 0.4 µV of input offset • Open Loop Gain 160 dB voltage. These attributes provide great precision in • CMRR 139 dB high accuracy applications. • PSRR 130 dB The proprietary continuous correction circuitry • Supply Voltage Range 2.2V to 5.5V ensures impressive CMRR and PSRR, removes the 1/f noise component, and eliminates the need for • Supply Current (per Amplifier) 1.1 mA calibration in many circuits. • Input Bias Current ±25 pA With only 260 nVPP (0.1 Hz to 10 Hz) of input voltage • GBW 5 MHz noise and no 1/f noise component, the • Slew Rate 2.6 V/µs LMP2021/LMP2022 are suitable for low frequency • Operating Temperature Range −40°C to 125°C applications such as industrial precision weigh scales. The low input bias current of 23 pA makes these • 5-Pin SOT-23, 8-Pin VSSOP and 8-Pin SOIC excellent choices for high source impedance circuits Packages such as non-invasive medical instrumentation as well as test and measurement equipment. The extremely APPLICATIONS high open loop gain of 160 dB drastically reduces • Precision Instrumentation Amplifiers gain error in high gain applications. With ultra precision DC specifications and very low noise, the • Battery Powered Instrumentation LMP2021/LMP2022 are ideal for position sensors, • Thermocouple Amplifiers bridge sensors, pressure sensors, medical equipment • Bridge Amplifiers and other high accuracy applications with very low error budgets. The LMP2021 is offered in 5-Pin SOT-23 and 8-Pin SOIC packages. The LMP2022 is offered in 8-Pin VSSOP and 8-Pin SOIC packages. 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 LMP is a trademark of Texas Instruments. 3 All other trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2008–2013, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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