Datasheet > LM3661

LM3661

更新时间： 2024-11-03 22:51:51

品牌	Logo	应用领域
美国国家半导体 - NSC		/
页数	文件大小	规格书
6页	156K
描述
LM3361A Low Voltage/Power Narrow Band FM IF System

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LM3661 数据手册

August 1989

LM3361A Low Voltage/Power Narrow Band FM IF System

General Description

Features

Functions at low supply voltage (less than 2V)

The LM3361A contains a complete narrow band FM de-

modulation system operable to less than 2V supply voltage.

Blocks within the device include an oscillator, mixer, FM IF

limiting amplifier, FM demodulator, op amp, scan control,

and mute switch. The LM3361A is similar to the MC3361

with the following improvements: the LM3361A has higher

voltage swing both at the op amp and audio outputs. It also

has lower nominal drain current and a squelch circuit that

draws significantly less current than the MC3361. Device

pinout functions are identical with some slightly different op-

erating characteristics.

Highly sensitive ( 3 dB limiting at 2.0 mV input typical)

High audio output (increased 6 dB over MC3361)

Low drain current (2.8 mA typ., V

3.6V)

Minimal drain current increase when squelched

Low external parts count

Block Diagram and Test Circuit

TL/H/5586–1

Order Number LM3661AM

or LM3361AN

T1-TOKO RMC-2A6597HM

CF-MURATA CFU 455E

See NS Package Number

M16A or N16E

1995 National Semiconductor Corporation

TL/H/5586

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

12 3 4 5 6

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型号	品牌	获取价格	描述	数据表
LM3661_05	NSC	获取价格	450mA Subminiature, Micropower Step-Down DC-DC Converter for Ultra Low-Voltage Circuits
LM3661AM	NSC	获取价格	LM3361A Low Voltage/Power Narrow Band FM IF System
LM3661TL-1.25	NSC	获取价格	450mA Subminiature, Micropower Step-Down DC-DC Converter for Ultra Low-Voltage Circuits
LM3661TL-1.25	TI	获取价格	0.454A SWITCHING REGULATOR, 675kHz SWITCHING FREQ-MAX, PBGA10, MICRO SMD-10
LM3661TL-1.35	NSC	获取价格	450mA Subminiature, Micropower Step-Down DC-DC Converter for Ultra Low-Voltage Circuits
LM3661TL-1.35	TI	获取价格	0.65A SWITCHING REGULATOR, 675kHz SWITCHING FREQ-MAX, PBGA10, MICRO SMD-10
LM3661TL-1.40	NSC	获取价格	450mA Subminiature, Micropower Step-Down DC-DC Converter for Ultra Low-Voltage Circuits
LM3661TL-1.40	TI	获取价格	0.65A SWITCHING REGULATOR, 675kHz SWITCHING FREQ-MAX, PBGA10, MICRO SMD-10
LM3661TLX-1.25	TI	获取价格	IC 0.454 A SWITCHING REGULATOR, 675 kHz SWITCHING FREQ-MAX, PBGA10, MICRO SMD-10, Switchin
LM3661TLX-1.25	NSC	获取价格	450mA Subminiature, Micropower Step-Down DC-DC Converter for Ultra Low-Voltage Circuits