S7141-10 Datasheet, PDF (1/2 Pages) Hamamatsu Corporation – Photo IC for optical link

PHOTO IC
Photo IC for optical link
S7141-10
Photo IC for 50 Mbps optical link
Features
l DC to 50 Mbps data transmission
l Miniature size due to monolithic IC structure
l Inversion logic
l Digital output
l Designed to be used with L8045
Applications
l Data transmission in FA or OA applications subject to large
amounts of electro magnetic noise
l High-speed, short distance data transmission
l Burst data transmission
s Absolute maximum ratings (Ta=25 °C)
Parameter
Symbol
Value
Unit
Power supply
Vcc
-0.5 to +7
V
Output current
Ioh
10
mA
Power dissipation *¹
P
250
mW
Operating temperature
Topr
-10 to +70
°C
Storage temperature
Tstg
-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 1.75 mW /°C above Ta=25 °C
s Electrical and optical characteristics (Ta=25 °C)
Parameter
Symbol
Condition
Min.
Typ.
Max.
Unit
Data rate
fD
DC
50
Mbps
Supply voltage
Vcc
4.75
-
5.25
V
Current consumption
Icc Without light input
-
-
32
mA
Pulse width distortion
∆T
-6
-
+6
ns
Minimum overload
Pimax *^2, *³
-5
-
-
dBm
Minimum receiver input power
Pimin *^2, *³
-
-
-17.5
dBm
Rise time
tr
*³
-
-
7
ns
Fall time
tf
*³
-
-
7
ns
Output voltage
Voh Ioh=20 µA
2
-
-
V
Vol Iol= -0.6 mA *⁴
-
-
1
V
*2: Output from a 1 meter long plastic fiber (GH4001 made by Mitsubishi Rayon) set close to the molded lens.
*3: Evaluated based on the input/output waveforms shown below. Measured with a low-capacitance FET probe (3 pF or less).
*4: Output is the “L” level (inversion logic) when light is input.
s Input optical waveform definition
pw1
80 %
50 %
s Output optical waveform definition ^{s S7141-10 output waveform example}
(Input light is referenced by drive circuit
on front page)
1.8 V
(Ta=25 °C, Pi= -16 dBm, Vcc=5.0 V)
1.5 V
20 %
1.2 V
tr=2 ns
tf=5 ns
tr
tf
pw
KPICC0022EA
∆T = pw1 - pw
KPICC0023EB
5 ns/div.
KPICC0068EA
1