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參數資料
型號: MAX3131EAI
廠商: Maxim Integrated Products
文件頁數: 1/16頁
文件大?。?/td> 0K
描述: IC TXRX RS2332 IRDA IR 28-SSOP
產品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 46
類型: 收發器
驅動器/接收器數: 2/2
規程: RS232
電源電壓: 3 V ~ 5 V
安裝類型: 表面貼裝
封裝/外殼: 28-SSOP(0.209",5.30mm 寬)
供應商設備封裝: 28-SSOP
包裝: 管件
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.
General Description
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
transceiver supports IrDA data rates of 2.4kbps to
115kbps. The infrared receive channel provides a high-
gain/low-noise PIN-diode amplifier with 100A 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.
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
1A.
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
and one RS-232 receiver output, respectively. The
MAX3131’s IrDA transceiver and RS-232 transceivers
are separate and have their own data inputs and outputs.
Both these devices require a minimum of external com-
ponents: four small 0.1F capacitors, a photodiode, an
infrared LED, and a current-setting resistor.
Applications
Personal Digital Assistants (PDAs)
Palmtop Computers
Battery-Powered Systems
Hand-Held Equipment
Peripherals
IrDA Applications
Cellular Phones
Features
o Integrated RS-232 and IrDA in Single 28-Pin SSOP
Package
o 370A Supply Current
o IrDA 1.2 Compatible: 2.4kbps to 115kbps
Data Rate
o On-Board IR Encoder/Decoder Allows Use of
Non-IrDA UARTs
o +3.0V to +5.5V Single-Supply Operation
o Meet EIA/TIA-232 Specifications Down to +3V
o 200mA, High-Current Infrared LED Drive
o 1A Low-Power Shutdown with RS-232
Receivers Active
MAX3130/MAX3131
3V to 5.5V, IrDA Infrared Transceiver with
Integrated RS-232 Interface
________________________________________________________________
Maxim Integrated Products
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19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
R2OUT
R2IN
T2OUT
RSSD
V-
C2-
IRSD
C2+
C1-
C1+
V+
N.C.
LEDC
PGND
PINC
AGND
AVCC
N.C.
VCC
GND
BAUD16
T1OUT
R1IN
R1OUT
IRMODE (TXD)
T2IN
T1IN
EDGEDET (RXD)
SSOP
TOP VIEW
MAX3130
MAX3131
( ) ARE FOR MAX3131
19-1402; Rev 0; 11/98
PART
MAX3130CAI
MAX3130EAI
MAX3131CAI
0°C to +70°C
-40°C to +85°C
0°C to +70°C
TEMP. RANGE
PIN-PACKAGE
28 SSOP
Pin Configuration
Ordering Information
MAX3131EAI
-40°C to +85°C
28 SSOP
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相關代理商/技術參數
參數描述
MAX3131EAI+ 功能描述:RS-232接口集成電路 3-5.5V IrDA Infrared Tcvr w/RS-232 Int RoHS:否 制造商:Exar 數據速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝:
MAX3131EAI+T 功能描述:RS-232接口集成電路 3-5.5V IrDA Infrared Tcvr w/RS-232 Int RoHS:否 制造商:Exar 數據速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝:
MAX3131EAI-T 功能描述:RS-232接口集成電路 RoHS:否 制造商:Exar 數據速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝:
MAX313C/D 功能描述:模擬開關 IC 10Ohm Quad SPST CMOS Analog Switches RoHS:否 制造商:Texas Instruments 開關數量:2 開關配置:SPDT 開啟電阻(最大值):0.1 Ohms 切換電壓(最大): 開啟時間(最大值): 關閉時間(最大值): 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-16
MAX313CPE 功能描述:模擬開關 IC RoHS:否 制造商:Texas Instruments 開關數量:2 開關配置:SPDT 開啟電阻(最大值):0.1 Ohms 切換電壓(最大): 開啟時間(最大值): 關閉時間(最大值): 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-16
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