HAMAMATSU S7727 Service Manual

S7726 is 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.

PHOTO IC

Photo IC for optical link

Receiver for 156 Mbps POF communications

S7727

Features

l

Photo IC receiver for POF data link

l

Monolithic structure immune from external noise

l

Data rates from 4 Mbps to 156 Mbps

l

P-ECL voltage conversion output
(Note: Unlike normal P-ECL output, S7727 output
cannot be terminated with 50 W.)

l

Designed to be used with L9534 or L7726

Applications

l

Plastic optical fiber communications (FA, office machine,
home automation, LAN)

l

Data transmission in locations subject to high
electromagnetic noise

1

■ Absolute maximum ratings (Ta=25 °C)

Parameter Symbol Value Unit

Supply voltage Vcc -0.5 to +7.0 V

Output voltage Vo -0.5 to Vcc + 0.5 V
Output current Io 8 mA
Power dissipation Pmax 250 *

1

mW
Operating temperature Topr -20 to +70 °C
Storage temperature Ts tg -40 to +85 °C
Soldering - 230 °C, 5 s, at least 1.5 mm away from package surface ­*1: 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. Unit

Data rate fD

Bi-phase signal
NRZ conversion

4 - 156 Mbps

Current consumption Icc *

2, *3, *6

- - 40 mA

High level output voltage Voh Ioh= -1 mA *

2, *3, *6

3.9 - 4.3 V

Low level output voltage Vol Iol= -0.5 µA *

2, *3, *6

2.9 - 3.4 V

Minimum overload Pimax *

2, *3, *4, *5, *6

-2 - - dBm

Minimum receiver input power Pimin *

2, *3, *4, *5, *6

- - -22 dBm
Rise time tr - - 3 ns
Fall time tf

10 to 90 % *

2, *3, *6

- - 3 ns
Pulse width distortion

∆

T*

2, *3, *4, *6

-3 - 3 ns

Jitter

∆

tj

*

2, *3, *4, *6

- - 3 ns
*2: Measured with 156 Mbps input signal (Bi-phase signal)
*3: A 3 pF capacitor is connected to GND as a capacitive load (including parasitic capacitance such as probes, connectors and

evaluation PCB patterns)
*4: An optical input waveform is generated with a Hamamatsu standard transmitter.
*5: A detectable signal level is an average value, measured using a plastic fiber (GH4001 made by Mitsubishi Rayon).
*6: A 3 kΩ resistor is externally connected between Q and GND and also between QB and GND.

Note)

● A bypass capacitor (0.1 µF) connected at a position within 2 mm from the lead, and a 4.7 µF capacitor is also connected to the

power supply line nearby.

● 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.

查询S7727供应商

HAMAMATSU PHOTONICS K.K., Solid State Division
1126-1 Ichino-cho, Higashi-ku, Hamamatsu City, 435-8558 Japan, Telephone: [phone], Fax: [phone], www.hamamatsu.com

U.S.A.: Hamamatsu Corporation: 360 Foothill Road, P.O.Box 6910, Bridgewater, N.J. 08807-0910, U.S.A., Telephone: [phone], Fax: [phone]
Germany: Hamamatsu Photonics Deutschland GmbH: Arzbergerstr. 10, D-82211 Herrsching am Ammersee, Germany, Telephone: [phone], Fax: [phone]
France: Hamamatsu Photonics France S.A.R.L.: 19, Rue du Saule Trapu, Parc du Moulin de Massy, 91882 Massy Cedex, France, Telephone: [phone], Fax: [phone]
United Kingdom: Hamamatsu Photonics UK Limited: 2 Howard Court, 10 Tewin Road, Welwyn Garden City, Hertfordshire AL7 1BW, United Kingdom, Telephone: [phone], Fax: [phone]
North Europe: Hamamatsu Photonics Norden AB: Smidesvägen 12, SE-171 41 Solna, Sweden, Telephone: [phone], Fax: [phone]
Italy: Hamamatsu Photonics Italia S.R.L.: Strada della Moia, 1/E, 20020 Arese, (Milano), Italy, Telephone: [phone], Fax: [phone]

Information furnished by HAMAMATSU is believed to be reliable. However, no responsibility is assumed for possible inaccuracies or omissions.
Specifications are subject to change without notice. No patent rights are granted to any of the circuits described herein. ©2006 Hamamatsu Photonics K.K.

Cat. No. KPIC1034E03
Jun. 2006 DN

Photo IC for optical link

S7727

■ Dimensional outline (unit: mm)

2

5.0

4.5 ± 0.3

(INCLUDING BURR)

5.2 ± 0.3

(INCLUDING BURR)

0.5

1.27

(SPECIFIED AT THE LEAD ROOT)

1.27 1.27

0.4

1.4

(2.15)

(1.5)

6.6 ± 0.4

4.3

(0.9)

10˚

10˚

5.0

Tolerance unless otherwise
noted: ±0.1, ±2˚
Shaded area indicates burr.

Values in parentheses indicate
reference value.

(0.9)

QB
GND
Q
Vcc

1.77

0.97

0.69

10˚

(0.9)

4.3

0.25

10˚

1.8

KPICA0029EC