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參數(shù)資料
| 型號： | LF257 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Wide Bandwidth Single J-FET Operational Amplifiers(寬帶J-FET單運放) |
| 中文描述： | 寬帶單的J - FET的運算放大器（寬帶的J - FET的單運放） |
| 文件頁數(shù)： | 1/14頁 |
| 文件大?。?/td> | 249K |
| 代理商： | LF257 |
5 - Offset Null 2
6 - Output
7 - V
CC+
8 - N.C.
WIDE BANDWIDTH
SINGLE J-FET OPERATIONAL AMPLIFIERS
.
HIGH
STAGE
.
HIGH SPEED J-FET OP-AMPs : up to 20MHz,
50V/
μ
s
.
OFFSETVOLTAGEADJUSTMENTDOESNOT
DEGRADEDRIFT OR COMMON-MODE
REJECTION AS IN MOST OF MONOLITHIC
AMPLIFIERS
.
INTERNAL COMPENSATION AND LARGE
DIFFERENTIALINPUTVOLTAGECAPABILITY
(UP TO V
CC+
)
PRECISION HIGH SPEED INTEGRATORS
.
FAST D/A AND CONVERTERS
.
HIGH IMPEDANCE BUFFERS
.
WIDEBAND, LOWNOISE,LOWDRIFT
AMPLIFIERS
.
LOGARITHIMICAMPLIFIERS
.
PHOTOCELL AMPLIFIERS
.
SAMPLEAND HOLD CIRCUITS
INPUT
IMPEDANCE
J-FET
INPUT
TYPICAL APPLICATIONS
N
DIP8
(Plastic Package)
1
2
3
4
8
6
5
7
1 - Offset Null 1
2 - Inverting input
3 - Non-inverting input
4 - V
CC-
PIN CONNECTIONS
(top view)
DESCRIPTION
Thesecircuits aremonolithicJ-FET inputoperational
amplifiersincorporatingwell matched,highvoltage
J-FETonthesamechip with standardbipolartransis-
tors.
This amplifiers feature low input bias and offset cur-
rents,lowinputoffsetvoltageandinputoffsetvoltage
drift,coupledwithoffsetadjustwhichdoesnotdegrade
driftor common-moderejection.
Thedevicesarealsodesignedforhighslewrate,wide
bandwidth,extremelyfastsettlingtime,lowvoltageand
currentnoise andalow 1/fnoiselevel.
LF155-LF255-LF355
LF156-LF256-LF356
LF157-LF257-LF357
July1998
D
SO8
(Plastic Micropackage)
ORDER CODES
Part Number
Temperature
Range
Package
N
D
LF355, LF356, LF357
LF255, LF256, LF257
LF155, LF156, LF157
Example :
LF355N
0
o
C, +70
o
C
–40
o
C, +105
o
C
–55
o
C, +125
o
C
1/14
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LF257D | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:WIDE BANDWIDTH SINGLE J-FET OPERATIONAL AMPLIFIERS |
| LF257H | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Series Monolithic JFET Input Operational Amplifiers |
| LF257M | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Voltage-Feedback Operational Amplifier |
| LF257N | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:WIDE BANDWIDTH SINGLE J-FET OPERATIONAL AMPLIFIERS |
| LF25AB | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Very low drop voltage regulators with inhibit |
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