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Photo IC for optical link
L11354-01
S11355-03
P11379-04AT
Transmitter Receiver
photo IC photo IC
L11354-01 S11355-03
Transmitter/
receiver photo IC
P11379-04AT
For 150 Mbps optical link
This photo IC is capable of data communication at a data rate of 150 Mbps through a plastic optical fiber (POF). Its
transmitter is composed of a 650 nm RC (resonant cavity) type LED, which is suitable for POF communications, and a driver
circuit that supports an LVDS interface.
The transmitter has a built-in temperature compensation function that adjusts for the reduction in the light emission power
caused by the high temperature emitted from the RC type LED. This function makes light emission with stable power
possible over a wide temperature range. The receiver is composed of a PIN photodiode and signal processing circuit. The
adoption of a full differential structure using a dummy photodiode eliminates the effects of external noise, achieving high
sensitivity. In addition, the photo IC has a sleep function that suppresses power consumption by switching to standby mode
when there is no input.
This product features high quality and high reliability, allowing it to be installed even in automobiles for in-vehicle
networking. It is already used as an optical fiber transceiver (FOT) for a MOST network, which is a type of in-vehicle
multimedia network. POFs with ferrule are also available.
Features
Applications
Communication speed up to 150 Mbps
Sidelooker type and SMD type are available.
3.3 V power supply operation
Wide operating temperature: -40 to +95 °C
Suitable for reflow soldering
Sleep mode function
Data transmission in harsh, noisy environments, such
as in FA and OA.
High-speed, short-distance data transmissio
Only for vehicle networks (MOST)
MOST compliant products
Specications of these products are subject to
change without prior notice to keep up with
changes in the MOST standard.
Absolute maximum ratings
Parameter
Symbol
Condition
Value
Unit
Supply
voltage
L11354-01
P11379-04AT
(Transmitter)
S11355-03
P11379-04AT
(Receiver)
Vcc_TX
Vcc_RX
Ta=-40 to +95 °C
-0.5 to +7.0
-0.5 to +4.6
V
Input voltage
Vi Ta=-40 to +95 °C
-0.5 to Vcc+0.5
V
Power
dissipation
L11354-01
S11355-03
P11379-04AT
P Ta=-40 to +95 °C
350
320
1250
mW
Operating temperature
Topr
-40 to +95
°C
Storage temperature
Tstg
-40 to +110
°C
Reflow soldering conditions*1
Tsol
Peak temperature 260 °C max., 3 times (see page 12)
-
*1: JEDEC level 2a
Note: Exceeding the absolute maximum ratings even momentarily may cause a drop in product quality. Always be sure to use the
product within the absolute maximum ratings.
Recommended operating conditions
Parameter
Supply voltage
Data rate
Symbol
Vcc
fD
Condition
DCA coding
Min.
3.135
-
www.hamamatsu.com
Typ.
3.3
-
Max.
3.465
150
Unit
V
Mbps
1

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Photo IC for optical link
L11354-01, S11355-03, P11379-04AT
L11354-01, P11379-04AT (Transmitter)
Electrical and optical characterisitics*2 (Ta=-40 to +95 °C, Vcc=3.135 to 3.465, unless otherwise noted*3)
Parameter
Symbol
Condition
Min.
Typ.
Max.
Unit
Current consumption
Icc *4
- - 40 mA
Peak emission wavelength
λC2
635 650 675 nm
Spectral width (RMS)
σλ2
- - 17 nm
Fiber coupled optical output 1
Po1 CTRL_TX=Low,*5 *6
-7
- -1.5 dBm
Fiber coupled optical output 2
POFF2
- - -50 dBm
Extinction ratio
re
10 -
- dB
Rise time
tr 20 to 80%,*4 *5
- - 0.5 UI
Fall time
tf 80 to 20%,*4 *5
- - 0.5 UI
Transfer jitter (RMS)
Overshoot
Jtr2
rpos
*4 *5
*5
- - 112
See “ Overshoot” table.
ps
-
Undershoot
rnos *5
See “ Undershoot” table.
-
Input voltage level “/RST”
VinRL *7
VinRH *7
Input voltage level “CTRL_TX”
VinCL
VinCH
Input current “/RST”
IinRL /RST=Low
IinRH /RST=High
Input current “CTRL_TX”
IinCL CTRL_TX=Low
IinCH CTRL_TX=High
Input current “TXN” “TXP”
IinTXL TXN, TXP=Low
IinTXH TXN, TXP=High
Frequency range
During transmission
During non-transmission
FON1
FOFF1
Valid MOST data (SP2) time
tON2
tOFF2
*8 *9
*8 *10
Eye mask
A2 to F2
- - 0.8
2- -
- - 0.8
2- -
- - -0.1
- - 50
- - -0.1
- - 50
- - -0.1
- - 0.1
12 - 73.743
0 - 10
- - 100
- -2
See “ Eye mask” table.
V
V
μA
μA
μA
MHz
kHz
μs
μs
-
*2: Electrical interface conforms to LVDS standards except common mode input voltage.
*3: Connect a bypass capacitor (0.1 μF) between Vcc and GND at a position within 3 mm from the leads. Also connect a 10 μF capacitor
near the photo IC.
L11354-01: The center of the optical ber is aligned with the center of the package lens. The distance between the ber end and
the lens top is 0.1 mm.
*4: Input signal rate 150 Mbps (DCA coding)
*5: Input signal
Parameter
Symbol
Min.
Typ.
Max.
Unit
Differential input voltage
Common mode input voltage
Vid
VCM
200
0.05
-
1272
mV
-
Vcctx - 1.2
V
Total jitter
tTJtp1
-
- 0.15 UI
Transfer jitter (RMS)
Jtr1
-
- 50 ps
*6: Average value, fiber core diameter ϕ1 mm, POF, NA=0.5, 1 m (made by Mitsubishi Rayon)
*7: /RST signal
Parameter
Valid supply voltage range
Logic switching threshold
Logic delay time
01
10
Symbol
VVALID
VT
tD+
tD-
Min.
1
2.97
1
0
Max.
3.465
-
-
100
Unit
V
V
ms
μs
Note: See “ Timing chart” for the /RST signal timing chart.
*8: See “ Timing chart”.
*9: Delay time for light output to turn on
*10: Delay time for light output to turn off
2

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Photo IC for optical link
L11354-01, S11355-03, P11379-04AT
Overshoot
Parameter
Amplitude*11
AO -0.200
BO -0.200
CO 0.500
DO 0.800
EO 0.800
FO 0.200
GO 0.200
HO 0.500
JO 1.400
KO 1.400
*11: On the basis of b0=0 and b1=1
Time (UI)
-0.630
0.100
0.100
0.350
1.370
-0.630
-0.350
-0.100
-0.100
1.370
Overshoot
Keep out area
JO KO
b1=1
b0 + b1
2
DO
HO CO
EO
FO GO
b0=0
AO
Keep out
area
BO
T=0
KPICB0153EA
Undershoot
Parameter
AU
BU
CU
DU
EU
FU
GU
HU
JU
KU
LU
MU
NU
PU
RU
SU
TU
Amplitude*12
0.800
0.800
0.850
0.850
0.800
0.800
0.500
-0.200
-0.200
1.400
1.400
1.340
1.150
1.150
0.500
0.200
0.200
Time (UI)*13
-0.630 - x
-0.530 - x
-0.530 - x
-0.430
-0.430
-0.350
-0.100
-0.100
1.370
-0.630 - x
-0.530 - x
-0.530 - x
-0.220 - x
0.100
0.100
0.350
1.370
Undershoot
b1=1
KU LU
MU
NU
CU DU
AU BU EU FU
PU
Keep out area
b0 + b1
2
RU
GU
SU
HU
Keep out area
T=0
*12: On the basis of b0=0 and b1=1
*13: The positions of Au, Bu, Cu, Ku, Lu and Mu on the time axis depend on the MOST data pulse width (2 to 6).
x=MOST data pulse width - 2
For 2UI: x=0, For 6UI: x=4
TU
b0=0
JU
KPICB0154EB
Eye mask
Parameter
A2
B2
C2
D2
E2
F2
Amplitude
0.5 × (b1 + b0)
0.8 × (b1 - b0)+b0
0.8 × (b1 - b0)+b0
0.5 × (b1 + b0)
0.2 × (b1 - b0)+b0
0.2 × (b1 - b0)+b0
Time (UI)
0.150
0.400
0.600
0.850
0.600
0.400
Eye mask
B2 C2
A2 Keep out area D2
F2 E2
KPICB0155EA
3