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| LF411 JFET-INPUT OPERATIONAL AMPLIFIER SLOS011C - MARCH 1987 - REVISED OCTOBER 1997 D D D D D D D Low Input Bias Current, 50 pA Typ Low Input Noise Current, 0.01 pA/Hz Typ Low Supply Current, 2 mA Typ High Input impedance, 1012 Typ Low Total Harmonic Distortion Low 1/f Noise Corner, 50 Hz Typ Package Options Include Plastic Small-Outline (D) and Standard (P) DIPs D OR P PACKAGE (TOP VIEW) BAL1 IN - IN + VCC - 1 2 3 4 8 7 6 5 NC VCC + OUT BAL2 NC - No internal connection description This device is a low-cost, high-speed, JFET-input operational amplifier with very low input offset voltage and a maximum input offset voltage drift. It requires low supply current, yet maintains a large gain-bandwidth product and a fast slew rate. In addition, the matched high-voltage JFET input provides very low input bias and offset currents. The LF411 can be used in applications such as high-speed integrators, digital-to-analog converters, sample-and-hold circuits, and many other circuits. The LF411C is characterized for operation from 0C to 70C. The LF411I is characterized for operation from -40C to 85C. symbol IN - IN + BAL1 BAL2 2 3 1 5 - + 6 OUT AVAILABLE OPTIONS TA 0C to 70C -40C to 85C VIOmax AT 25C 2 mV 2 mV PACKAGE SMALL OUTLINE (D) LF411CD LF411ID PLASTIC DIP (P) LF411CP LF411IP The D packages are available taped and reeled. Add the suffix R to the device type (i.e., LF411CDR). 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. PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. Copyright (c) 1997, Texas Instruments Incorporated POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 1 LF411 JFET-INPUT OPERATIONAL AMPLIFIER SLOS011C - MARCH 1987 - REVISED OCTOBER 1997 absolute maximum ratings over operating free-air temperature range (unless otherwise noted) Supply voltage, VCC + . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 V Supply voltage, VCC - . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 18 V Differential input voltage, VID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 V Input voltage, VI (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 V Duration of output short circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Unlimited Continuous total power dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500 mW Package thermal impedance, JA (see Note 2): D package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197C/W P package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104C/W Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 65C to 150C Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260C NOTES: 1. Unless otherwise specified, the absolute maximum negative input voltage is equal to the negative power supply voltage. 2. The package thermal impedance is calculated in accordance with JESD 51, except for through-hole packages, which use a trace length of zero. recommended operating conditions C SUFFIX MIN Supply voltage, VCC + Supply voltage, VCC - Operating free-air temperature, TA 3.5 - 3.5 0 MAX 18 - 18 70 I SUFFIX MIN 3.5 - 3.5 - 40 MAX 18 - 18 -85 UNIT V V C electrical characteristics over operating free-air temperature range, VCC = 15 V (unless otherwise specified) PARAMETER VIO VIO IIO IIB Input offset voltage Average temperature coefficient of input offset voltage Input Inp t offset current c rrent Input Inp t bias current c rrent Common-mode input voltage range Maximum peak output-voltage swing Large-signal differential g g voltage Input resistance Common-mode rejection ratio Supply-voltage rejection ratio RL = 10 k VO = 10 V V, TJ = 25C RS 10 k See Note 3 70 70 RL = 2 k 25C 0C to 70C 25C -40C to 85C TEST CONDITIONS VIC = 0, VIC = 0, VIC = 0 VIC = 0 RS = 10 k RS = 10 k 25C 70C 25C 70C 25C 85C 25C 85C 11 12 25 15 -11.5 to 14.5 13.5 200 200 1012 100 100 50 TA LF411C 25C LF411I 25C MIN TYP 0.8 10 25 MAX 2 20 100 2 200 4 UNIT mV V/C pA nA pA nA V VICR VOM AVD ri CMR R kSVR V V/mV dB dB ICC Supply current 2 3.4 mA At least 90% of the devices meet this limit for VIO. Input bias currents of an FET-input operational amplifier are normal junction reverse currents, which are temperature sensitive. Pulse techniques must be used that will maintain the junction temperatures as close to the ambient temperature as possible. NOTE 3: Supply-voltage rejection ratio is measured for both supply magnitudes increasing or decreasing simultaneously. 2 POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 LF411 JFET-INPUT OPERATIONAL AMPLIFIER SLOS011C - MARCH 1987 - REVISED OCTOBER 1997 operating characteristics, VCC = 15 V, TA = 25C PARAMETER SR B1 Vn In Slew rate Unity-gain bandwidth Equivalent input noise voltage Equivalent input noise current f = 1 kHz, f = 1 kHz RS = 20 TEST CONDITIONS MIN 8 2.7 TYP 13 3 18 0.01 MAX UNIT V/s MHz nV/Hz pA/Hz POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 3 IMPORTANT NOTICE Texas Instruments and its subsidiaries (TI) reserve the right to make changes to their products or to discontinue any product or service without notice, and advise customers to obtain the latest version of relevant information to verify, before placing orders, that information being relied on is current and complete. All products are sold subject to the terms and conditions of sale supplied at the time of order acknowledgement, including those pertaining to warranty, patent infringement, and limitation of liability. TI warrants performance of its semiconductor products to the specifications applicable at the time of sale in accordance with TI's standard warranty. Testing and other quality control techniques are utilized to the extent TI deems necessary to support this warranty. Specific testing of all parameters of each device is not necessarily performed, except those mandated by government requirements. CERTAIN APPLICATIONS USING SEMICONDUCTOR PRODUCTS MAY INVOLVE POTENTIAL RISKS OF DEATH, PERSONAL INJURY, OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE ("CRITICAL APPLICATIONS"). TI SEMICONDUCTOR PRODUCTS ARE NOT DESIGNED, AUTHORIZED, OR WARRANTED TO BE SUITABLE FOR USE IN LIFE-SUPPORT DEVICES OR SYSTEMS OR OTHER CRITICAL APPLICATIONS. INCLUSION OF TI PRODUCTS IN SUCH APPLICATIONS IS UNDERSTOOD TO BE FULLY AT THE CUSTOMER'S RISK. In order to minimize risks associated with the customer's applications, adequate design and operating safeguards must be provided by the customer to minimize inherent or procedural hazards. TI assumes no liability for applications assistance or customer product design. TI does not warrant or represent that any license, either express or implied, is granted under any patent right, copyright, mask work right, or other intellectual property right of TI covering or relating to any combination, machine, or process in which such semiconductor products or services might be or are used. TI's publication of information regarding any third party's products or services does not constitute TI's approval, warranty or endorsement thereof. Copyright (c) 1998, Texas Instruments Incorporated |
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