L7727 [HAMAMATSU]

Emitter/receiver for 156 Mbps POF communications; 发射器/接收器156 Mbps的塑料光纤通信


型号：	L7727
厂家：	HAMAMATSU CORPORATION
描述：	Emitter/receiver for 156 Mbps POF communications 发射器/接收器156 Mbps的塑料光纤通信光纤通信
文件：	总2页 (文件大小：154K)
中文：	中文翻译
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L E D / P H O T O I C

Red LED/Photo IC for optical link

L7726/S7727

Emitter/receiver for 156 Mbps POF communications

L7726 and S7726 are designed for high-speed POF (Plastic Optical Fiber) communications. Both devices are molded into miniature plastic

packages with lenses, allowing easy and efficient coupling to a POF. S7727 uses a monolithic photo IC that ensures high resistance to external

noise and high reliability, and provides P-ECL voltage conversion output.

Features

Applications

Plastic optical fiber communications (FA, office machine,

home automation, LAN)

Data transmission in locations subject to high

electromagnetic noise

L7726

Red LED for POF data link

650 nm emission suitable for POF communications

High-speed response: fc=100 MHz Typ.

High output power: Po= -1.5 dBm (IF=30 mA, φ1 mm, POF)

S7727

Photo IC receiver for POF data link

Monolithic structure immune from external noise

Data rates from 4 Mbps to 156 Mbps

P-ECL voltage conversion output

(Note: Unlike normal P-ECL output, S7727 output

cannot be terminated with 50 .)

L7726

Absolute maximum ratings (Ta=25 °C)

ꢀ

Parameter

Symbol

Value

250 ^*1

Unit

°C

Forward current

Power dissipation

Operating temperature

Storage temperature

Soldering-

I^F

Pmax

Topr

Tstg

0 to 60

-40 to +85

°C

230

°C,

*1: Derate power dissipation at a rate of 1.7 mW/°C above Ta=25 °C

Electrical and optical characteristics (Ta=25 °C)

ꢀ

Parameter

Symbol

V^F

Condition

I^F=30 mA

Min.

Typ.

2.3

Max.

Unit

Forward voltage

Peak emission wavelength

Spectral half width (FWHM)

Fiber coupled optical power

Cut-off frequency

I^F=30 mA

I^F=30 mA ^*2

I^F=30 mA

640

650

660

-1.5

100

dBm

MHz

*2: Measured using a 1-meter long optical fiber (MH4001 made by Mitsubishi Rayon).

Red LED/Photo IC for optical link L7726/S7727

S7727

ꢀ Absolute maximum ratings (Ta=25 °C)

Parameter

Symbol

Vcc

Value

-0.5 to +7.0

-0.5 to Vcc + 0.5

Unit

Supply voltage

Output voltage

Output current

°C

Power dissipation

Operating temperature

Storage temperature

Soldering

Pmax

Topr

Tstg

250

-20 to +70

-40 to +85

230 °C, 5 s, at least 1.5 mm away from package surface

*3: Derate power dissipation at a rate of 1.7 mW/°C above Ta=25 °C

ꢀ Electrical and optical characteristics (Ta=25 °C, Vcc=5.0 V)

Parameter

Symbol

Condition

Min.

Typ.

Max.

156

Unit

Bi-phase signal

NRZ conversion

*4, *5, *8

Data rate

Mbps

Current consumption

High level output voltage

Low level output voltage

Minimum overload

Minimum receiver input power

Rise time

Icc

Voh

Vol

3.9

2.9

-2

4.3

3.4

*4, *5, *8

Ioh= -1 mA

*4, *5, *8

Iol= -0.5 mA

*4, *5, *6, *7, *8

Pimax

Pimin

dBm

*4, *5, *6, *7, *8

-22

*4, *5, *8

10 to 90 %

Fall time

*4, *5, *6, *8

Pulse width distortion

Jitter

-3

Dtj

*4: Measured with 156 Mbps input signal (Bi-phase signal)

*5: A 3 pF capacitor is connected to GND as a capacitive load (including parasitic capacitance such as probes, connectors and

evaluation PCB patterns)

*6: An optical input waveform is generated with a Hamamatsu standard transmitter.

*7: A detectable signal level is an average value, measured using a plastic fiber (MH4001 made by Mitsubishi Rayon).

*8: A 3 kW resistor is externally connected between Q and GND and also between QB and GND.

Note)

ꢀ Dimensional outline (unit: mm)

1.77

ꢁ A bypass capacitor (0.1 µF) connected at a position within

2 mm from the lead, and a 4.7 µF capacitor is also con-

nected to the power supply line nearby.

5.2 0.ꢀ

0.97

0.69

(INCLUDING BURR)

5.0

ꢁ The optical axis of the package lens is exactly aligned with

the center axis of the optical plug, and the gap between the

lens surface and the optical reference plane of the plug is

0.1 mm.

ꢁ If modulated light at 4 Mbps or less (including DC light and

no light input) is input to S7727, the high and low levels

cannot be discerned.

0.5

0.4

0.25

1.271.27 1.27

(SPECIFIED AT THE LEAD ROOT)

PIN No.

L7726

S7727

(0.9)

CATHODE

ANODE

(0.9)

10˚

GND

CATHODE

Vcc

Tolerance unless otherwise

noted: 0.1ꢁ 2˚

5.0

Shaded area indicates burr.

Values in parentheses indicate

reference value.

KPICA0029EA

Information furnished by HAMAMATSU is believed to be reliable. However, no responsibility is assumed for possible inaccuracies or omissions.

HAMAMATSU PHOTONICS K.K., Solid State Division

1126-1 Ichino-cho, Hamamatsu City, 435-8558 Japan, Telephone: (81) 053-434-3311, Fax: (81) 053-434-5184, http://www.hamamatsu.com

U.S.A.: Hamamatsu Corporation: 360 Foothill Road, P.O.Box 6910, Bridgewater, N.J. 08807-0910, U.S.A., Telephone: (1) 908-231-0960, Fax: (1) 908-231-1218

Germany: Hamamatsu Photonics Deutschland GmbH: Arzbergerstr. 10, D-82211 Herrsching am Ammersee, Germany, Telephone: (49) 08152-3750, Fax: (49) 08152-2658

France: Hamamatsu Photonics France S.A.R.L.: 8, Rue du Saule Trapu, Parc du Moulin de Massy, 91882 Massy Cedex, France, Telephone: 33-(1) 69 53 71 00, Fax: 33-(1) 69 53 71 10

United Kingdom: Hamamatsu Photonics UK Limited: 2 Howard Court, 10 Tewin Road, Welwyn Garden City, Hertfordshire AL7 1BW, United Kingdom, Telephone: (44) 1707-294888, Fax: (44) 1707-325777

North Europe: Hamamatsu Photonics Norden AB: Smidesvägen 12, SE-171 41 Solna, Sweden, Telephone: (46) 8-509-031-00, Fax: (46) 8-509-031-01

Italy: Hamamatsu Photonics Italia S.R.L.: Strada della Moia, 1/E, 20020 Arese, (Milano), Italy, Telephone: (39) 02-935-81-733, Fax: (39) 02-935-81-741

Cat. No. KPIC1034E01

Aug. 2002 DN

L7727 [HAMAMATSU]

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