LF453

更新时间： 2024-09-14 22:47:11

品牌	Logo	应用领域
美国国家半导体 - NSC		运算放大器
页数	文件大小	规格书
8页	221K
描述
LF453 Wide-Bandwidth Dual JFET-Input Operational Amplifiers

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LF453 数据手册

December 1994

LF453 Wide-Bandwidth Dual

JFET-Input Operational Amplifiers

General Description

Features

Internally trimmed offset voltage

Low input bias current

Low input noise current

Wide gain bandwidth

High slew rate

5.0 mV (max)

50 pA (typ)

The LF453 is a low-cost, high-speed, dual JFET-input oper-

ational amplifier with an internally trimmed input offset volt-

age (BI-FET II technology). The device requires a low supply

current and yet the amplifiers maintain a large gain band-

width product and a fast slew rate. In addition, well matched

high voltage JFET input devices provide very low input bias

and offset currents. The LF453 is pin compatible with the

standard LM1558, allowing designers to upgrade the overall

performance of existing designs.

0.01 pA/ Hz (typ)

4 MHz (typ)

13 V/ms (typ)

6.5 mA (max)

Low supply current

10 X (typ)

High input impedance

Low total harmonic distortion

0.02% (typ)

10, R

20 V

10k,

20 Hz–20 kHz

The LF453 may be used in such applications as high-speed

integrators, fast D/A converters, sample-and-hold circuits

and many other circuits requiring low input bias current, high

input impedance, high slew rate and wide bandwidth.

, f

p–p

Low 1/f noise corner

Fast settling time to 0.01%

50 Hz (typ)

2 ms (typ)

Typical Connection

Connection Diagram

SO Package

TL/H/9710–2

Top View

Order Number LF453CM

See NS Package Number M08A

TL/H/9710–1

Simplified Schematic

TL/H/9710–3

BI-FET II^TMis a trademark of National Semiconductor Corporation.

1995 National Semiconductor Corporation

TL/H/9710

RRD-B30M115/Printed in U. S. A.

12 3 4 5 6 7 8

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与LF453相关器件

型号	品牌	获取价格	描述	数据表
LF453CM	NSC	获取价格	LF453 Wide-Bandwidth Dual JFET-Input Operational Amplifiers
LF453CMX	TI	获取价格	DUAL OP-AMP, 5000uV OFFSET-MAX, 4MHz BAND WIDTH, PDSO8, 0.150 INCH, PLASTIC, SOP-8
LF-454	SIRENZA	获取价格	Wideband RF/pulse Transformers .01-10 MHz/.01-5 MHz
LF455CIH	TI	获取价格	IC,OP-AMP,SINGLE,BIPOLAR/JFET,CAN,8PIN,METAL
LF455H	TI	获取价格	OP-AMP, 250uV OFFSET-MAX, 3MHz BAND WIDTH, MBCY8, METAL CAN-8
LF455N	TI	获取价格	OP-AMP, 250uV OFFSET-MAX, 3MHz BAND WIDTH, PDIP8, PLASTIC, DIP-8
LF456CIH	ETC	获取价格	Voltage-Feedback Operational Amplifier
LF456H	TI	获取价格	OP-AMP, 250uV OFFSET-MAX, 5MHz BAND WIDTH, MBCY8, METAL CAN-8
LF456N	TI	获取价格	OP-AMP, 250uV OFFSET-MAX, 5MHz BAND WIDTH, PDIP8, PLASTIC, DIP-8
LF457CIH	ETC	获取价格	Voltage-Feedback Operational Amplifier