LF257中文资料PDF规格书
LF257规格书详情
DESCRIPTION
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,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 level.
■ HIGH INPUT IMPEDANCE J-FET INPUT STAGE
■ HIGH SPEED J-FET OP-AMPs : up to 20MHz, 50V/µs
■ OFFSETVOLTAGEADJUSTMENT DOES NOT
DEGRADE DRIFT OR COMMON-MODE
REJECTION AS IN MOST OF MONOLITHIC
AMPLIFIERS
■ INTERNAL COMPENSATION AND LARGE
DIFFERENTIAL INPUTVOLTAGECAPABILITY
(UP TO VCC+)
TYPICAL APPLICATIONS
■ PRECISION HIGH SPEED INTEGRATORS
■ FAST D/A AND CONVERTERS
■ HIGH IMPEDANCE BUFFERS
■ WIDEBAND, LOW NOISE, LOW DRIFT AMPLIFIERS
■ LOGARITHIMIC AMPLIFIERS
■ PHOTOCELL AMPLIFIERS
■ SAMPLE AND HOLD CIRCUITS
产品属性
- 型号:
LF257
- 制造商:
NSC
- 制造商全称:
National Semiconductor
- 功能描述:
JFET Input Operational Amplifiers
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
NSC |
22+ |
CAN8 |
2250 |
100%全新原装公司现货供应!随时可发货 |
询价 | ||
FSC |
22+ |
2450 |
公司只做原装!现货供应! |
询价 | |||
FSC |
22+ |
5000 |
询价 | ||||
NSC |
93 |
48 |
公司优势库存 热卖中!! |
询价 | |||
ST/意法 |
DIP-8 |
265209 |
假一罚十原包原标签常备现货! |
询价 | |||
NS |
22+ |
SOP8-DIP8 |
85740 |
全新原装正品!现货库存!可开13点增值税发票 |
询价 | ||
ST |
23+ |
NA |
10065 |
原装正品,有挂有货,假一赔十 |
询价 | ||
NS |
23+ |
CAN8 |
90000 |
只做原装 全系列供应 价格优势 可开增票 |
询价 | ||
NS |
2023+ |
NA |
700000 |
柒号芯城跟原厂的距离只有0.07公分 |
询价 | ||
SOUTHCHIP |
2022+ |
SOT23 |
6000 |
一级代理/分销渠道价格优势 十年芯程一路只做原装正品 |
询价 |