LF147

更新时间： 2024-10-18 12:28:15

品牌	Logo	应用领域
德州仪器 - TI		运算放大器
页数	文件大小	规格书
21页	1620K
描述
The LF147 is a low cost, high speed quad JFET input operational amplifier with an internally trimmed input offset voltage ( BI-FET IIâ¢ technology).

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LF147 数据手册

LF147, LF347-N

www.ti.com

SNOSBH1D –MAY 1999–REVISED MARCH 2013

LF147/LF347 Wide Bandwidth Quad JFET Input Operational Amplifiers

Check for Samples: LF147, LF347-N

FEATURES

DESCRIPTION

The LF147 is a low cost, high speed quad JFET input

operational amplifier with an internally trimmed input

offset voltage ( BI-FET II™ technology). The device

requires a low supply current and yet maintains a

large gain bandwidth product and a fast slew rate. In

addition, well matched high voltage JFET input

devices provide very low input bias and offset

currents. The LF147 is pin compatible with the

standard LM148. This feature allows designers to

immediately upgrade the overall performance of

existing LF148 and LM124 designs.

•

Internally Trimmed Offset Voltage: 5 mV max

Low Input Bias Current: 50 pA

Low Input Noise Current: 0.01 pA/√Hz

Wide Gain Bandwidth: 4 MHz

•

High Slew Rate: 13 V/μs

Low Supply Current: 7.2 mA

High Input Impedance: 10¹²Ω

Low Total Harmonic Distortion: ≤0.02%

Low 1/f Noise Corner: 50 Hz

The LF147 may be used in applications such as high

speed integrators, fast D/A converters, sample-and-

hold circuits and many other circuits requiring low

input offset voltage, low input bias current, high input

impedance, high slew rate and wide bandwidth. The

device has low noise and offset voltage drift.

Fast Settling Time to 0.01%: 2 μs

Simplified Schematic

Connection Diagram

¼ Quad

LF147 available as per JM38510/11906.

Figure 1. 14-Pin PDIP / CDIP / SOIC

Top View

See Package Number J0014A, D0014A or

NFF0014A

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

BI-FET II is a trademark of dcl_owner.

All other trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...21

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LF147 替代型号

型号	品牌	替代类型	描述	数据表
LF412	TI	功能相似	LF412 Low Offset, Low Drift Dual JFET Input Operational Amplifier
LF347B	TI	功能相似	JFET-INPUT QUAD OPERATIONAL AMPLIFIERS
LF411	TI	功能相似	JFET-INPUT OPERATIONAL AMPLIFIER

与LF147相关器件

型号	品牌	获取价格	描述	数据表
LF147_NATIONAL	ETC	获取价格
LF147AGC	ETC	获取价格	Voltage-Feedback Operational Amplifier
LF147AJ	ETC	获取价格	Voltage-Feedback Operational Amplifier
LF147BGC	ETC	获取价格	Voltage-Feedback Operational Amplifier
LF147BJ	ETC	获取价格	Voltage-Feedback Operational Amplifier
LF147D	STMICROELECTRONICS	获取价格	WIDE BANDWIDTH QUAD J-FET OPERATIONAL AMPLIFIERS
LF147D/833	TI	获取价格	OP-AMP
LF147D/883	NSC	获取价格	IC QUAD OP-AMP, 8000 uV OFFSET-MAX, 4 MHz BAND WIDTH, CDIP14, HERMETIC SEALED, DIP-14, Ope
LF147D/883B	NSC	获取价格	IC QUAD OP-AMP, 8000 uV OFFSET-MAX, 4 MHz BAND WIDTH, CDIP14, HERMETIC SEALED, CAVITY, DIP
LF147D/883C	NSC	获取价格	IC,OP-AMP,QUAD,BIPOLAR/JFET,DIP,14PIN,CERAMIC

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