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LF155 Datasheet PDF


Part Number LF155
Manufacturer National Semiconductor
Title Series Monolithic JFET Input Operational Amplifiers
Description These are the first monolithic JFET input operational amplifiers to incorporate well matched, high voltage JFETs on the same chip with standard bi...
Features Advantages n Replace expensive hybrid and module FET op amps n Rugged JFETs allow blow-out free handling compared with MOSFET input devices n Excellent for low noise applications using either high or low source impedance — very low 1/f corner n Offset adjust does not de...

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Datasheet LF155 PDF File








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LF151 : These circuits are high speed J–FET input singleoperational amplifiers incorporating well matched, high voltage J–FET and bipolar transistors in a monolithic integrated circuit. The devices feature high slew rates, low input bias and offset currents, and low offset voltage temperature coefficient. PIN CONNECTIONS (top view) ORDER CODE Package Part Number LF351 LF251 LF151 Temperature Range N 0°C, +70°C -40°C, +105°C -55°C, +125°C • • • D • • • N = Dual in Line Package (DIP) D = Small Outline Package (SO) - also available in Tape & Reel (DT) 1 2 3 4 8 7 6 5 12345678- Offset null 1 Inverting input Non-inverting input VCCOffset null 2 Output VCC+ N.C. March 2001 1/9 LF151 - LF251 - LF3.

LF151ED : Pin Description -Vin 6 NC +Vin 7 +Vout NC 8 NC Common 9 NC -Vout 10 NC NC = No Connection For applications requiring very low output noise levels, a simple LC filter should be effective. 5. It is recommended that a fuse be used on the input of a power supply for protection. See the Model Selection table above for the correct rating. Recommended Solder Profile Mechanical Dimensions Board Layout Notes: • All dimensions are typical in inches (mm) • Tolerance x.xx = ±0.01 (±0.25) • Pin 1 is marked by a “dot” or indentation on the unit MicroPower Direct www.micropowerdirect.com • 292 Page Street Ste D Stoughton, MA 02072 TEL: (781) 344-8226 • FAX: (781) 344-8481 • E-Mail: sales@micropow.

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LF155 : These circuits are monolithic J-FET input operational amplifiers incorporating well matched, high voltage J-FET on the same chip with standard bipolar transistors. This amplifiers feature low input bias and offset currents, low input offset voltage and input offset voltage drift,coupledwith offsetadjust which doesnot degrade drift or common-mode rejection. The devices are also designed for high slew rate, wide bandwidth,extremelyfastsettlingtime, lowvoltageand current noise and a low 1/f noise level. July 1998 8 7 6 5 1 2 3 4 - Offset Null 1 - Inverting input - Non-inverting input - VCC5 6 7 8 Offset Null 2 Output + VCC N.C. 2 3 4 1/14 LF155 - LF156 - LF157 SCHEMATIC DIAGRAM V i o ADJUS.

LF155 : .

LF155 : The LFx5x devices are the first monolithic JFET input operational amplifiers to incorporate well-matched, high-voltage JFETs on the same chip with standard bipolar transistors (BI-FET™ Technology). These amplifiers feature low input bias and offset currents/low offset voltage and offset voltage drift, coupled with offset adjust, which does not degrade drift or common-mode rejection. The devices are also designed for high slew rate, wide bandwidth, extremely fast settling time, low voltage and current noise and a low 1/f noise corner. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) SOIC (8) 4.90 mm × 3.91 mm LFx5x TO-CAN (8) 9.08 mm × 9.08 mm PDIP (8) 9.81 mm × 6.35 mm (.

LF155A : .

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LF156 : .

LF156 : These are the first monolithic JFET input operational amplifiers to incorporate well matched, high voltage JFETs on the same chip with standard bipolar transistors (BI-FET™ Technology). These amplifiers feature low input bias and offset currents/low offset voltage and offset voltage drift, coupled with offset adjust which does not degrade drift or common-mode rejection. The devices are also designed for high slew rate, wide bandwidth, extremely fast settling time, low voltage and current noise and a low 1/f noise corner. Features Advantages n Replace expensive hybrid and module FET op amps n Rugged JFETs allow blow-out free handling compared with MOSFET input devices n Excellent for low nois.

LF156 : The LFx5x devices are the first monolithic JFET input operational amplifiers to incorporate well-matched, high-voltage JFETs on the same chip with standard bipolar transistors (BI-FET™ Technology). These amplifiers feature low input bias and offset currents/low offset voltage and offset voltage drift, coupled with offset adjust, which does not degrade drift or common-mode rejection. The devices are also designed for high slew rate, wide bandwidth, extremely fast settling time, low voltage and current noise and a low 1/f noise corner. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) SOIC (8) 4.90 mm × 3.91 mm LFx5x TO-CAN (8) 9.08 mm × 9.08 mm PDIP (8) 9.81 mm × 6.35 mm (.

LF156A : .

LF157 : These circuits are monolithic J-FET input operational amplifiers incorporating well matched, high voltage J-FET on the same chip with standard bipolar transistors. This amplifiers feature low input bias and offset currents, low input offset voltage and input offset voltage drift,coupledwith offsetadjust which doesnot degrade drift or common-mode rejection. The devices are also designed for high slew rate, wide bandwidth,extremelyfastsettlingtime, lowvoltageand current noise and a low 1/f noise level. July 1998 8 7 6 5 1 2 3 4 - Offset Null 1 - Inverting input - Non-inverting input - VCC5 6 7 8 Offset Null 2 Output + VCC N.C. 2 3 4 1/14 LF155 - LF156 - LF157 SCHEMATIC DIAGRAM V i o ADJUS.




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