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參數(shù)資料
| 型號： | MAX3120ESA |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 通信及網(wǎng)絡(luò) |
| 英文描述： | Low-Profile, 3V, 120レA, IrDA Infrared Transceiver |
| 中文描述： | SPECIALTY TELECOM CIRCUIT, PDSO8 |
| 封裝： | 0.150 INCH, MS-012A, SOIC-8 |
| 文件頁數(shù)： | 5/8頁 |
| 文件大?。?/td> | 151K |
| 代理商： | MAX3120ESA |
M
Low-Profile, 3V, 120μA,
IrDA Infrared Transc eiver
_______________________________________________________________________________________
5
2V/div
2V/div
RXD OUTPUT
vs. INFRARED INPUT
MAX3120 toc12
2
μ
s/div
RXD
OUTPUT
INFRARED
INPUT
V
CC
= 3.3V, 115.2kbps AT 1mDISTANCE,
TERMIC BPV22NF, TRANSMIT POWER 200mW/sr
2V/div
2V/div
RXD OUTPUT
vs. INFRARED INPUT
MAX3120 toc13
100
μ
s/div
RXD
OUTPUT
INFRARED
INPUT
V
CC
= 3.3V, 2400bps AT 1mDISTANCE,
TERMIC BPV22NF, TRANSMIT POWER 200mW/sr
Typic al Operating Charac teristic s (c ontinued)
(T
A
= +25°C, unless otherwise noted.)
Pin Desc ription
NAME
TXD
V
CC
GND
PINC
SHDN
FUNCTION
1
2
3
4
5
IR Transmitter TTL/CMOS Data Input. High = LED on.
Supply Voltage
Ground. Connect anode of PIN diode to GND. Connect GND to PGND.
PIN Diode Cathode Input. Connect cathode of PIN diode to PINC.
Shutdown Input. Active low.
PIN
8
RXD
IR Receiver TTL/CMOS Data Output. Pulses low for IR input pulse.
7
LEDC
LED Driver Output. Connect cathode of IR-emitting LED to LEDC.
6
PGND
Power Ground. Ground for IR LED driver. Connect PGND to GND.
Detailed Desc ription
The MAX3120 is an IrDA 1.2-compatible infrared (IR)
transceiver. By selecting appropriate external optical
components (see
IR LED and PIN Photodiode Selection
section), the MAX3120 will operate at data rates of
2.4kbps to 115kbps at distances from 1cm to 1m.
Because of its low-noise design, the MAX3120
achieves a bit error rate (BER) below 10
-8
at maximum
data rates when used with the appropriate external
components. On-chip filtering rejects out-of-band
ambient light signals that would otherwise interfere with
IR communication. Also included in the MAX3120 is
a high-power LED driver capable of sinking 200mA. It
can drive most available IR LEDs at IrDA speeds of
2.4kbps to 115kbps.
Rec eiver
The MAX3120’s IR receiver amplifier reverse biases the
PIN diode by approximately 1.2V, and the PIN diode
converts pulses of IR light into pulses of current. The
input transimpedance (current-to-voltage) amplifier
then converts these current pulses into voltage pulses
of a useful magnitude. The MAX3120 filters the result-
ing output voltage pulses to remove low-frequency
ambient light interference and high-frequency circuit
noise. Finally, a high-speed comparator translates
these voltage pulses into usable CMOS output levels
(Figure 1).
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX3120ESA+ | 功能描述:接口 - 專用 3V 120uA IrDA Infrared Tcvr RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:BGA-59 |
| MAX3120ESA+T | 功能描述:接口 - 專用 3V 120uA IrDA Infrared Tcvr RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:BGA-59 |
| MAX3120ESA-T | 功能描述:接口 - 專用 RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:BGA-59 |
| MAX3120ETA+ | 制造商:Maxim Integrated Products 功能描述:LOW-PROFILE 3V, 120UA IRDA INFRARED TRANCEIVER - Rail/Tube 制造商:Maxim Integrated Products 功能描述:IC TXRX IRDA IR 3V TDFN |
| MAX3120ETA+T | 制造商:Maxim Integrated Products 功能描述:LOW-PROFILE 3V, 120UA IRDA INFRARED TRANCEIVER - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC TXRX IRDA IR 3V TDFN |
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