Datenblatt-Suchmaschine für elektronische Bauteile |
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LF444CM Datenblatt(PDF) 1 Page - Texas Instruments |
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LF444CM Datenblatt(HTML) 1 Page - Texas Instruments |
1 / 18 page LF444 www.ti.com SNOSC04D – MAY 1998 – REVISED MARCH 2013 LF444 Quad Low Power JFET Input Operational Amplifier Check for Samples: LF444 1 FEATURES DESCRIPTION The LF444 quad low power operational amplifier 23 • ¼ Supply Current of a LM148: 200 μA/Amplifier provides many of the same AC characteristics as the (max) industry standard LM148 while greatly improving the • Low Input Bias Current: 50 pA (max) DC characteristics of the LM148. The amplifier has • High Gain Bandwidth: 1 MHz the same bandwidth, slew rate, and gain (10 k Ω load) as the LM148 and only draws one fourth the supply • High Slew Rate: 1 V/ μs current of the LM148. In addition the well matched • Low Noise Voltage for Low Power 35 nV/ √Hz high voltage JFET input devices of the LF444 reduce • Low Input Noise Current 0.01 pA/ √Hz the input bias and offset currents by a factor of 10,000 over the LM148. The LF444 also has a very • High Input Impedance: 1012 Ω low equivalent input noise voltage for a low power • High Gain: 50k (min) amplifier. The LF444 is pin compatible with the LM148 allowing an immediate 4 times reduction in power drain in many applications. The LF444 should be used wherever low power dissipation and good electrical characteristics are the major considerations. Simplified Schematic Connection Diagram Figure 1. 1/4 Quad Figure 2. PDIP/SOIC Package Top View See Package Number NAK0014D, D0014A or NFF0014A These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates. 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 BI-FET 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 © 1998–2013, 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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