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LF398N/NOPB, Операционный усилитель со входом выборки

The LF398N/NOPB is a monolithic Sample-and-Hold Circuit uses BI-FET technology to obtain ultrahigh DC accuracy with fast acquisition of signal and low droop rate. Operating as unity-gain follower, DC gain accuracy is 0.002% typical and acquisition time is as low as 6µs to 0.01%. A bipolar input stage is used to achieve low offset voltage and wide bandwidth. Input offset adjust is accomplished with a single pin and does not degrade input offset drift. The wide bandwidth allows the LF198-N to be included inside the feedback loop of 1MHz operational amplifiers without having stability problems. Input impedance of 10¹⁰R allows high-source impedances to be used without degrading accuracy. P-channel junction FETs are combined with bipolar devices in the output amplifier to give droop rates as low as 5mV/minute with a 1µF hold capacitor. The JFETs have much lower noise than MOS devices used in previous designs and do not exhibit high temperature instabilities. • Low input offset • Low output noise in hold mode • Input characteristics do not change during hold mode • High supply rejection ratio in sample or hold • Wide bandwidth • Logic input compatible with TTL, PMOS and CMOS • 0.5mV Typical hold step at 0.01µF • 0.002% Gain accuracy • 500mW Power dissipation • ±15V Supply voltage Тип усилителя выборки и хранения Кол-во каналов 1 Токовое смещение на входе, нА 10 Напряжение смещения на входе, мкВ 2000 Ток собственного потребления, мА 4.5 Напряжение питания однополярное(+)/двуполярное (±), В ±5...18 Рабочая температура, °C 0…+70 Корпус DIP-8 (0.300 inch) Вес, г 1 Texas Instruments

Тип усилителя	Выборка и хранение
Число усилителей	1
Входной ток	10nA
Ток покоя	4.5 mA
Напряжение питания	±5V ~ 18V
Рабочая температура	0°C ~ 70°C
Корпус	8-PDIP
Вес брутто	0.8 г.
Наименование	LF398N/NOPB
Производитель	Texas Instruments
Описание Eng	IC OPAMP SAMPLE HOLD 8DIP
Тип упаковки	Tube (туба)
Нормоупаковка	40 шт