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參數(shù)資料
| 型號： | LF156A |
| 廠商： | Linear Technology Corporation |
| 英文描述： | JFET-Input Operational Amplifiers Low Supply Current High Speed |
| 中文描述： | JFET輸入運算放大器低電源電流高速 |
| 文件頁數(shù)： | 1/23頁 |
| 文件大小： | 1079K |
| 代理商： | LF156A |
LF155/LF156/LF256/LF257/LF355/LF356/LF357
JFET Input Operational Amplifiers
General Description
These are the first monolithic JFET input operational ampli-
fiers to incorporate well matched, high voltage JFETs on the
same chip with standard bipolar transistors (BI-FET
Tech-
nology). These amplifiers feature low input bias and offset
currents/low offset voltage and offset voltage drift, coupled
with
offset
adjust
which
does
not
degrade
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 corner.
drift
or
Features
Advantages
n
Replace expensive hybrid and module FET op amps
n
Rugged JFETs allow blow-out free handling compared
with MOSFET input devices
n
Excellent for low noise applications using either high or
low source impedance—very low 1/f corner
n
Offset adjust does not degrade drift or common-mode
rejection as in most monolithic amplifiers
n
New output stage allows use of large capacitive loads
(5,000 pF) without stability problems
n
Internal compensation and large differential input voltage
capability
Applications
n
Precision high speed integrators
n
Fast D/A and A/D converters
n
High impedance buffers
n
Wideband, low noise, low drift amplifiers
n
Logarithmic amplifiers
n
Photocell amplifiers
n
Sample and Hold circuits
Common Features
n
Low input bias current:
n
Low Input Offset Current:
n
High input impedance:
n
Low input noise current:
n
High common-mode rejection ratio:
n
Large dc voltage gain:
30pA
3pA
10
12
100 dB
106 dB
Uncommon Features
LF155/
LF355
LF156/
LF256/
LF356
1.5
LF257/
LF357
(A
V
=5)
1.5
Units
j
Extremely
fast settling
time to
0.01%
j
Fast slew
rate
j
Wide gain
bandwidth
j
Low input
noise
voltage
4
μs
5
12
50
V/μs
2.5
5
20
MHz
20
12
12
Simplified Schematic
00564601
*
3pF in LF357 series.
BI-FET
, BI-FET II
are trademarks of National Semiconductor Corporation.
December 2001
L
2001 National Semiconductor Corporation
DS005646
www.national.com
相關PDF資料 |
PDF描述 |
|---|---|
| LF156 | JFET-Input Operational Amplifiers Low Supply Current High Speed |
| LF2005-S | Current Transducer LF 2005-S |
| LF205-P | Current Transducer LF 205-P |
| LF205-S | CURRENT TRANSDUCER LF 205-S |
| LF205P | Current Transducer LF 205-P/SP1 |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LF156AH | 制造商:LINER 制造商全稱:Linear Technology 功能描述:JFET-Input Operational Amplifiers Low Supply Current High Speed |
| LF156AH/883 | 制造商:Linear Technology 功能描述:OP Amp Single GP |
| LF156D | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:WIDE BANDWIDTH SINGLE J-FET OPERATIONAL AMPLIFIERS |
| LF156H | 功能描述:運算放大器 - 運放 RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風格:SMD/SMT 封裝 / 箱體:QFN-16 轉換速度:0.89 V/us 關閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| LF156H/883 | 制造商:Linear Technology 功能描述:JFET-INPUT OPERATIONAL AMPLIFIERS LOW SUPPLY CURRENT 制造商:Texas Instruments 功能描述:OP Amp Single GP 制造商:Texas Instruments 功能描述:OP Amp Single GP ±22V 8-Pin TO-99 Tray 制造商:Texas Instruments 功能描述:OP AMP SGL GP 22V 8PIN TO-99 - Rail/Tube |
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