LF398N/NOPB (TEXAS INSTRUMENTS)
Усилитель выборки и запоминания, 1 Усилитель, 1 МГц, 20 мкс, 2 мВ, DIP, 8 вывод(-ов)
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 10??R 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
Области применения
Промышленное
Предупреждения
Device has 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.
Время Сбора:
20мкс
Время Установления:
-
Диапазон Напряжения Питания:
± 5В до ± 18В
Количество Выводов:
8вывод(-ов)
Количество Усилителей:
1 Усилитель
Линейка Продукции:
-
Максимальная Рабочая Температура:
70°C
Минимальная Рабочая Температура:
0°C
Напряжение Входного Смещения:
2мВ
Полоса Пропускания:
1МГц
Соответствует Фталатам RoHS:
Да
Стиль Корпуса Усилителя:
DIP
SVHC (Особо Опасные Вещества):
No SVHC (27-Jun-2018)
RoHS статус:
Да