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LF257CN PDF预览

LF257CN

更新时间: 2024-11-09 13:09:19
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

生命周期:Obsolete零件包装代码:DIP
包装说明:DIP,针数:8
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.33.00.01风险等级:5.8
放大器类型:OPERATIONAL AMPLIFIER最大平均偏置电流 (IIB):0.005 µA
标称共模抑制比:100 dB最大输入失调电压:6200 µV
JESD-30 代码:R-PDIP-T8负供电电压上限:-22 V
标称负供电电压 (Vsup):-15 V功能数量:1
端子数量:8最高工作温度:105 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:DIP封装形状:RECTANGULAR
封装形式:IN-LINE认证状态:Not Qualified
标称压摆率:50 V/us子类别:Operational Amplifier
供电电压上限:22 V标称供电电压 (Vsup):15 V
表面贴装:NO技术:BIPOLAR
温度等级:INDUSTRIAL端子形式:THROUGH-HOLE
端子位置:DUAL标称均一增益带宽:20000 kHz
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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