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LF257CN PDF预览

LF257CN

更新时间: 2024-01-08 14:43:56
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 运算放大器
页数 文件大小 规格书
14页 251K
描述
OP-AMP, 6200uV OFFSET-MAX, 20MHz BAND WIDTH, PDIP8, PLASTIC, DIP-8

LF257CN 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
Reach Compliance Code:unknown风险等级:5.9
放大器类型:OPERATIONAL AMPLIFIER架构:VOLTAGE-FEEDBACK
25C 时的最大偏置电流 (IIB):0.0001 µA频率补偿:YES (AVCL>=5)
最大输入失调电压:6500 µVJESD-30 代码:O-MBCY-W8
JESD-609代码:e0低-偏置:YES
低-失调:NO功能数量:1
端子数量:8最高工作温度:85 °C
最低工作温度:-25 °C封装主体材料:METAL
封装等效代码:CAN8,.2封装形状:ROUND
封装形式:CYLINDRICAL电源:+-15/+-20 V
认证状态:Not Qualified子类别:Operational Amplifiers
温度等级:OTHER端子面层:Tin/Lead (Sn/Pb)
端子形式:WIRE端子位置:BOTTOM
Base Number Matches:1

LF257CN 数据手册

 浏览型号LF257CN的Datasheet PDF文件第2页浏览型号LF257CN的Datasheet PDF文件第3页浏览型号LF257CN的Datasheet PDF文件第4页浏览型号LF257CN的Datasheet PDF文件第5页浏览型号LF257CN的Datasheet PDF文件第6页浏览型号LF257CN的Datasheet PDF文件第7页 
LF155-LF255-LF355  
LF156-LF256-LF356  
LF157-LF257-LF357  
WIDE BANDWIDTH  
SINGLE J-FET OPERATIONAL AMPLIFIERS  
.
.
.
HIGH INPUT IMPEDANCE J-FET INPUT  
STAGE  
HIGH SPEED J-FET OP-AMPs : up to 20MHz,  
50V/µs  
OFFSETVOLTAGEADJUSTMENTDOESNOT  
DEGRADE DRIFT OR COMMON-MODE  
REJECTION AS IN MOST OF MONOLITHIC  
AMPLIFIERS  
.
INTERNAL COMPENSATION AND LARGE  
N
DIP8  
(Plastic Package)  
D
SO8  
DIFFERENTIALINPUTVOLTAGECAPABILITY  
+
(UP TO VCC  
)
(Plastic Micropackage)  
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  
ORDER CODES  
Package  
Temperature  
Range  
Part Number  
N
D
LF355, LF356, LF357  
LF255, LF256, LF257  
LF155, LF156, LF157  
Example : LF355N  
0oC, +70oC  
–40oC, +105oC  
–55oC, +125oC  
.
.
.
PIN CONNECTIONS (top view)  
1
2
3
4
8
DESCRIPTION  
7
6
5
These circuits are monolithic J-FET input operational  
amplifiers incorporating well matched, high voltage  
J-FET on the same chip with standardbipolar transis-  
tors.  
This amplifiers feature low input bias and offset cur-  
rents, low input offset voltage and input offset voltage  
drift,coupledwith offsetadjustwhichdoesnotdegrade  
driftor common-mode rejection.  
5 - Offset Null 2  
6 - Output  
7 - VCC  
1 - Offset Null 1  
2 - Inverting input  
3 - Non-inverting input  
The devicesarealso designedforhigh slew rate, wide  
bandwidth,extremelyfastsettlingtime,lowvoltageand  
current noise and a low 1/f noise level.  
+
-
8 - N.C.  
4 - VCC  
July 1998  
1/14  

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