Datasheet > MAX3130

MAX3130

更新时间： 2023-12-20 18:44:35

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
16页	219K
描述
3V至5.5V、IrDA红外收发器，集成的RS-232接口

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数据手册

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MAX3130 数据手册

19-1402; Rev 0; 11/98

3 V t o 5 .5 V, IrDA In fra re d Tra n s c e ive r w it h

In t e g ra t e d RS -2 3 2 In t e rfa c e

0/MAX31

Ge n e ra l De s c rip t io n

Fe a t u re s

The MAX3130/MAX3131 combine an IrDA 1.2 compati-

ble infrared transceiver with an RS-232 interface—all in

a single 3V-powered hybrid microcircuit. The infrared

tra ns c e ive r s up p orts IrDA d a ta ra te s of 2.4kb p s to

115kbps. The infrared receive channel provides a high-

gain/low-noise PIN-diode amplifier with 100µA of ambi-

ent photodiode current rejection at a +3V supply. A

high-power LED driver capable of sinking 200mA is

included in the infrared transmit path. The on-board

encoder/decoder (ENDEC) compresses/stretches sig-

nals to and from the external UART, allowing IrDA com-

munication even with non-IrDA UARTs.

♦ Integrated RS-232 and IrDA in Single 28-Pin SSOP

Package

♦ 370µA Supply Current

♦ IrDA 1.2 Compatible: 2.4kbps to 115kbps

Data Rate

♦ On-Board IR Encoder/Decoder Allows Use of

Non-IrDA UARTs

♦ +3.0V to +5.5V Single-Supply Operation

♦ Meet EIA/TIA-232 Specifications Down to +3V

♦ 200mA, High-Current Infrared LED Drive

A 2-driver/2-receiver RS-232 transceiver supports data

rates up to 120kbps. A proprietary, high-efficiency, dual

charge-pump power supply and a low-dropout trans-

mitter combine to deliver true RS-232 performance from

a single +3.0V to +5.5V supply. Selectable shutdown

for IR and RS-232 circuitry reduces supply current to

1µA.

♦ 1µA Low-Power Shutdown with RS-232

Receivers Active

Ord e rin g In fo rm a t io n

PART

TEMP. RANGE

0°C to +70°C

-40°C to +85°C

0°C to +70°C

-40°C to +85°C

PIN-PACKAGE

28 SSOP

The MAX3130 is optimized for applications using a sin-

gle UART for both infrared and RS-232 communication.

The infrared transmitter input and infrared receiver out-

put are multiplexed with one RS-232 transmitter input

a nd one RS-232 re c e ive r outp ut, re s p e c tive ly. The

MAX3131’s IrDA transceiver and RS-232 transceivers

are separate and have their own data inputs and outputs.

MAX3130CAI

MAX3130EAI

MAX3131CAI

MAX3131EAI

28 SSOP

P in Co n fig u ra t io n

Both these devices require a minimum of external com-

ponents: four small 0.1µF capacitors, a photodiode, an

infrared LED, and a current-setting resistor.

TOP VIEW

EDGEDET (RXD)

28 R2OUT

27 R2IN

26 T2OUT

25 RSSD

24 V-

T1IN

T2IN

Ap p lic a t io n s

Personal Digital Assistants (PDAs)

Palmtop Computers

Battery-Powered Systems

Hand-Held Equipment

Peripherals

IRMODE (TXD)

R1OUT

MAX3130

MAX3131

R1IN

23 C2-

T1OUT

22 C2+

21 C1-

BAUD16

GND

IrDA Applications

20 C1+

19 V+

Cellular Phones

N.C. 11

18 N.C.

17 LEDC

16 PGND

15 IRSD

AV 12

AGND 13

PINC 14

SSOP

( ) ARE FOR MAX3131

________________________________________________________________ Maxim Integrated Products

For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.

For small orders, phone 1-800-835-8769.

12 3 4 5 6 7...16

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与MAX3130相关器件

型号	品牌	获取价格	描述	数据表
MAX3130CAI	MAXIM	获取价格	3V to 5.5V, IrDA Infrared Transceiver with Integrated RS-232 Interface
MAX3130EAI	MAXIM	获取价格	3V to 5.5V, IrDA Infrared Transceiver with Integrated RS-232 Interface
MAX3130EAI+T	MAXIM	获取价格	Interface Circuit, PDSO28, 5.30 MM, 0.65 MM PITCH, SSOP-28
MAX3130EAI-T	MAXIM	获取价格	Interface Circuit, PDSO28, 5.30 MM, 0.65 MM PITCH, SSOP-28
MAX3130-MAX3131	MAXIM	获取价格	3V to 5.5V, IrDA Infrared Transceiver with Integrated RS-232 Interface
MAX3131	MAXIM	获取价格	3V to 5.5V, IrDA Infrared Transceiver with Integrated RS-232 Interface
MAX3131	ADI	获取价格	3V至5.5V、IrDA红外收发器，集成的RS-232接口
MAX3131CAI	MAXIM	获取价格	3V to 5.5V, IrDA Infrared Transceiver with Integrated RS-232 Interface
MAX3131CAI+	MAXIM	获取价格	Interface Circuit, PDSO28, 5.30 MM, 0.65 MM PITCH, SSOP-28
MAX3131CAI-T	MAXIM	获取价格	Interface Circuit, PDSO28, 5.30 MM, 0.65 MM PITCH, SSOP-28

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