Datasheet > IRMS6118

IRMS6118

更新时间： 2024-11-08 19:37:03

品牌	Logo	应用领域
英飞凌 - INFINEON		信息通信管理接口集成电路
页数	文件大小	规格书
6页	394K
描述
Interface Circuit, BICMOS, 9.80 X 4 MM, 4.80 MM HEIGHT, SLIMLINE PACKAGE-8

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IRMS6118 技术参数

生命周期：	Obsolete	零件包装代码：	MODULE
包装说明：	,	针数：	8
Reach Compliance Code：	unknown	风险等级：	5.84
接口集成电路类型：	INTERFACE CIRCUIT	JESD-30 代码：	R-XSMA-X8
功能数量：	1	端子数量：	8
最高工作温度：	85 °C	最低工作温度：	-25 °C
封装主体材料：	UNSPECIFIED	封装形状：	RECTANGULAR
封装形式：	MICROELECTRONIC ASSEMBLY	认证状态：	Not Qualified
最大供电电压：	5 V	最小供电电压：	2.4 V
标称供电电压：	2.7 V	电源电压1-最大：	9 V
表面贴装：	NO	技术：	BICMOS
温度等级：	OTHER	端子形式：	UNSPECIFIED
端子位置：	SINGLE	Base Number Matches：	1

IRMS6118 数据手册

IRMS6118/IRMT6118

115 Kb/s Infrared Data Transceiver

Appnote 84

Introduction

Receiver Power Supply

The IRMS6118/IRMT6118 is a fully integrated 115 Kb/s optical

transceiver module designed to meet the IrDA physical layer

speciﬁcation. The following application note describes speciﬁc

attributes of how the IRMS6118/IRMT6118 functions.

Since the receiver has good power supply rejection and the

receiver output is internally slew rate limited, receiver supply

decoupling is not critical. When driving a typical load of 15 pF,

as little as 0.05 µF of receiver power supply decoupling is nec-

essary and only needs to be within a few centimeters of the

device. Typically, existing board power supply decoupling will

be adequate. Because of the excellent ripple rejection, the

device can be operated from most type of standard power sup-

plies. For example, it will work with 100 kHz switching supplies

Table 1. Input/Output Functional Description (IRMS6118/

IRMT6118)

Pin # Sym. Type

Polarity Function Description

LEDA

Input

LED anode. It is required to

connect it to the LED power

of less than 50 mV

ripple or unregulated supplies with less

P–P

supply (V

). An external re-

LED

than 1.0 V

of 120 Hz ripple.

P–P

sistor is required when V

is above 3.3 V.

LED

DC Ambient Light Rejection

Input

Switch- Internally connected to LED

The IRMS6118/IRMT6118 will handle most DC infrared ambi-

ents except direct sunlight. If the ambient light DC current sur-

rounding the module is exceeding the capability of ambient

light rejection, the RxD output will go low for more than 100 µs.

This information may be used to warn the user that the ambient

light is excessive. Due to the increasing shot noise of the pho-

todiode at high DC ambients the receiver sensitivity decreases

by up to 4X to prevent spurious noise hits. This equates to halv-

ing the receive range at maximum DC ambients (typically a rare

event).

LEDC

ing DC

cathode. No external connec-

tion needed unless used to

drive additional LED.

TxD

Input/

TTL

Active

high

LED driver. This input is ca-

pacitively coupled to limit

transmit pulse width to no

more than about 70 µs.

RxD Output/ Active

The output indicates received

serial data. It is a CMOS driver

providing rail to rail operation.

TTL

low

Automatic Gain Control (AGC)

Input

Active

high

Inserting this pin to V caus-

es the device to shutdown

with a maximum current drain

of less than 1.0 µA, and it will

disable transmitter input and

tri-state receiver output.

The AGC attack response of the IRMS6118/IRMT6118 is

designed to give good ﬁrst pulse response after complete AGC

decay. The AGC decay response is sufﬁciently slow to provide

adequate AGC noise immunity at 9.6 Kb/s during typical worse

case data (no pulses for 9 bit intervals). Typically AGC recovery

from a strong signal (Near-Far Latency) takes about 2.5 ms, but

if necessary, faster AGC recovery can be obtained by Shut

Down cycling; that is, shutting down the IrDT for at least 1.0 µs

and powering it back up again. The IRMS6118/IRMT6118 is

designed to reset the AGC on shutdown and includes circuits

which allow for fast power up DC ambient stabilization.

Receiver Positive Receiver power supply 2.4 V

power

supply

power

supply

to 5.5 V. Place a typical value

of 0.1 µF ceramic bypass ca-

pacitor as close as possible to

this pin.

GND Ground

(power)

—

Internally grounded.

GND Ground

(power)

Connect to power supply

ground.

 2001 Inﬁneon Technologies Corp. • Optoelectronics Division • San Jose, CA

www.inﬁneon.com/opto • 1-888-Inﬁneon (1-888-463-4636)

6–139

March 7, 2001-12

12 3 4 5 6

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与IRMS6118相关器件

型号	品牌	获取价格	描述	数据表
IRMS6400	ETC	获取价格	FIBER OPTIC TRANSCEIVER
IRMS6409	INFINEON	获取价格	Telecom Circuit, 1-Func, BICMOS,
IRMS6419	INFINEON	获取价格	Telecom Circuit, 1-Func, BICMOS,
IRMS6452	VISHAY	获取价格	SIDE VIEW IRMS6452/TOP VIEW
IRMS6453	INFINEON	获取价格	4 Mb/s Infrared Data Transceiver
IRMT6100	VISHAY	获取价格	Interface Circuit, 4 MM HEIGHT,SLIMLINE PACKAGE-8
IRMT6116	INFINEON	获取价格	Transceiver, Through Hole Mount
IRMT6118	INFINEON	获取价格	Interface Circuit, BICMOS, 9.80 X 4 MM, 4.80 MM HEIGHT, SLIMLINE PACKAGE-8
IRMT6118	VISHAY	获取价格	Interface Circuit, BICMOS, 4 MM HEIGHT,SLIMLINE PACKAGE-8
IRMT6400	ETC	获取价格	FIBER OPTIC TRANSCEIVER

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