U4311B-FS

更新时间： 2024-01-31 16:57:16

品牌	Logo	应用领域
爱特美尔 - ATMEL		遥控
页数	文件大小	规格书
13页	85K
描述
Low-Current Superhet Remote Control Receiver

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技术参数
数据手册

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U4311B-FS 技术参数

生命周期：	Transferred	包装说明：	SO-16
Reach Compliance Code：	unknown	风险等级：	5.83
商用集成电路类型：	RECEIVER IC	JESD-30 代码：	R-PDSO-G16
功能数量：	1	端子数量：	16
最高工作温度：	85 °C	最低工作温度：	-40 °C
封装主体材料：	PLASTIC/EPOXY	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE	认证状态：	Not Qualified
最大供电电压 (Vsup)：	12 V	最小供电电压 (Vsup)：	3 V
表面贴装：	YES	温度等级：	INDUSTRIAL
端子形式：	GULL WING	端子位置：	DUAL
传输媒体：	RF

U4311B-FS 数据手册

U4311B-FS

Low-Current Superhet Remote Control Receiver

Description

The U4311B-FS is a monolithic integrated circuit in lock-, alarm- or tele-control remote indication systems.

bipolar technology for low-current UHF remote control Especially for automotive applications, it supports a

super-heterodyne receivers in amplitude- or frequency- superhet design with about 1 mA total current

modulated mode. Typical applications are keyless car consumption as required by the car manufacturers.

F_De_Ua_st_au_br_lees_{for amplitude- and frequency-modulated}

D Logarithmic AM demodulator

transmission systems

D FM demodulator

D Extremely low quiescent current (approximately

D Monoflop output to wake up a microcontroller

1 mA in standby mode due to wake-up concept)

D High-performance operational amplifier to realize a

D Wide power supply voltage range 3 to 13 V

data recovering filter

D Sensitive IF amplifier for 10.7-MHz operating D Non-inverting clamping comparator with amplitude-

frequency

depending hysteresis for data regeneration

Block Diagram

Wake-up out

V_S

V_Ref= 2.4V

Data out

Non – invert.

clamping

comparator

Monoflop

Bandgap

Wake up

Internal

V_Ref= 2.4 V

Level

10.7 MHz

Quadrature

detector

Operational

amplifier

–

12648

log AM out

FM out

Data

filter

10.7 MHz

Figure 1. Block diagram

Ordering Information

Extended Type Number

Package

SSO20

Remarks

Ambient temperature up to +105°C

U4311B-MFSG3

Rev. A3, 28-Sep-00

1 (13)

12 3 4 5 6 7...13

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