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Technical Data Sheet Photo link Light Receiver Unit
PLR155 Series
Features
1. High PD sensitivity optimized for red light 2. Data : NRZ signal 3. Low power consumption for extended battery life 4. Built-in threshold control for improved noise Margin 5. Good ESD protection: up to 8KV 6. Pb Free 7. Receiver sensitivity: up to -27dBm (Min. for 16Mbps) up to -21dBm (Min. for 25Mbps)
Descriptions
The optical receiver is packaged with custom optic data link interface, integrated on a proprietary CMOS PDIC process. The unit functions by converting optical signals into electric ones. The unit is operated at 2.4 ~ 5.5 V and the signal output interface is TTL compatible with high performance at low power consumption.
Applications
1. Digital Optical Data-Link 2. Dolby AC-3 Digital Audio Interface
EVERLIGHT ELECTRONICS CO., LTD. Device NO: DPL-155-001
http://www.everlight.com Prepared Date:04-06-2004
Rev 1.0
Page: 1 of 7
Prepared By: Chin-Chia Hsu
PLR155 Series
Package Dimensions
A
R1 .40
2.200.1
R0 .65
1.50
2.48
AT
0.90 7.50 12.45Max.
4.950.1
PIN FUNCTION: 1.Vout 2.GND 3.Vcc
0.250.03
0.500.05
3
2
2.54 5.08 A'
1
Rear View
Front View
5.700.1
6.60
Side View
Notes: 1.All dimensions are in mm. 2.General Tolerance: Pin length tolerance is 0.25 mm others are 0.20 mm 3.Leadframe Material: Alloy C194 4.Plating Thickness: Tin Layer>2um 5.It must be placed a 0.1uF capacitor in the between of Vcc and GND within 7mm. 6.Device Selection Table: Device Name PLR155 PLR155/S1 PLR155/S2 PLR155/S3 Pin Length A1 (mm) 12.550.25 7.500.25 5.220.25 10.200.25
EVERLIGHT ELECTRONICS CO., LTD. Device NO: DPL-155-001
http://www.everlight.com Prepared Date:04-06-2004
Rev 1.0
Page: 2 of 7
Prepared By: Chin-Chia Hsu
PLR155 Series
Absolute Maximum Ratings( Ta = 25 C)
Parameter Supply Voltage Output Voltage Storage Temperature Operating Temperature Soldering Temperature * Soldering time 10 s. Symbol Vcc Vout Tstg Topr Tsol Rating -0.5 ~ +4.5 Vcc +0.3 -40 to 85 -20 to 70 260* Unit V V
C C C
Electro-Optical Characteristics(Ta=-20~70,Vcc=3V)
Parameter Power supply voltage Peak sensitivity wavelength Maximum receiver power Minimum receiver power Dissipation current High level output voltage Low level output voltage Rise time Fall time Propagation delay Low to High Propagation delay High to Low Pulse Width Distortion Jitter Transfer rate Symbol Vcc p Pc,max Pc,min Icc VOH VOL tr tf tPLH tPHL tw tj T Conditions Refer to Fig.1 Refer to Fig.1 Refer to Fig.2 Refer to Fig.3 Refer to Fig.3 Refer to Fig.3 Refer to Fig.3 Refer to Fig.3 Refer to Fig.3 Refer to Fig.3 Refer to Fig.3, Pc=-14dBm Refer to Fig.3, Pc=-27dBm
MIN. TYP. MAX. Unit 2.40 -27 2.1 3.00 650 4 2.5 0.2 10 10 -25 0.1 1 5 5.50 -14 12 0.4 20 20 120 120 +25 15 20 16 V nm dBm dBm mA V V ns ns ns ns ns ns ns Mb/s
NRZ signal
EVERLIGHT ELECTRONICS CO., LTD. Device NO: DPL-155-001
http://www.everlight.com Prepared Date:04-06-2004
Rev 1.0
Page: 3 of 7
Prepared By: Chin-Chia Hsu
PLR155 Series
Measuring Method
*Fig.1 Measuring Method of Maximum and Minimum Input Power that Receiver Unit Need
Optical Power Meter Standard plastic optic fiber cable Standard Transmitter unit PLR155 Receiver Unit
Control Circuit
*Fig.2 Measuring Method of Dissipation Current
Standard plastic optic fiber cable Standard Transmitter Unit Vin Vcc GND PLR155 Receiver Unit Vcc GND Vout
47uH Signal Input 16 Mbps NRZ "0101" successive signal input A
0.1uF
3V
EVERLIGHT ELECTRONICS CO., LTD. Device NO: DPL-155-001
http://www.everlight.com Prepared Date:04-06-2004
Rev 1.0
Page: 4 of 7
Prepared By: Chin-Chia Hsu
PLR155 Series
*Fig.3 Measuring Method of Output Voltage, Pulse and Jitter
Standard plastic optic fiber cable Standard Transmitter Unit Vin Vcc GND PLR155 Receiver Unit Vcc GND Vout
47uH Signal Input 16 Mbps NRZ "0101" successive signal input
TPLH TPHL
0.1uF A 3V
CH1
Input Output
tj1
50% CH2 50%
tj2
tw = TPHL-TPLH
Application Circuit
(1) General application circuit for Vcc=3V (2) General application circuit for Vcc=5V
Receiver Unit
Receiver Unit
C1
C1
C2
Vcc L2
GND
Vout C1:0.1uF
Vcc L2
GND
Vout C1:0.1uF C2:30pF (Suggestion) L2:47uH
3V
L2:47uH
5V
Note: For having good coupling, the C1,C2 capacitor must be placed within 7mm
EVERLIGHT ELECTRONICS CO., LTD. Device NO: DPL-155-001
http://www.everlight.com Prepared Date:04-06-2004
Rev 1.0
Page: 5 of 7
Prepared By: Chin-Chia Hsu
PLR135
Typical Electro-Optical Characteristics Curves
*Fig.4 Power supply voltage vs. Minimum receiver power
Operating Transfer Rate 16Mbps 25Mbps
*Fig.5
Transfer rate vs. Minimum receiver power
-30
-32
Operating Voltage Vcc=3.3V
Optical Input Sensitivity (dBm)
Optical Input Sensitivity (dBm)
-30 -28 -26 -24 -22 -20 -18
-28
-26
-24
-22
-20 2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
0
5
10
15
20
25
Operating Voltage (V)
Transfer Rate (Mbps)
Note: Before using the PLR155 device, please confirm the minimum sensitivity at different operating voltage and transmission rate.
EVERLIGHT ELECTRONICS CO., LTD. Device NO: DPL-155-001
http://www.everlight.com Prepared Date:04-06-2004
Rev 1.0
Page: 6 of 7
Prepared By: Chin-Chia Hsu
PLR155 Series
Application Notes: PLR155 Series PCB layout for motherboard integration To achieve better jitter and low input optical power performances, several PCB layout guidelines must be followed. These guidelines ensure the most reliable PLR155 POF performance for the motherboard integration. Failed to implement these PCB guidelines may affect the PLR155 jitter and low input power performances. 1. Careful decoupling of the power supplies is very important. Place a 0.1uf surface mount (size 805 or smaller) capacitor as close as (less than 2cm) to the POF Vdd and Gnd leads. The 0.1uf act as a low impedance path to ground for any stray high frequency transient noises. 2. To reduce the digital noises form the digital IC on the motherboard, the planar capacitance formed by an isolated Vcc and Gnd planes is critical. The POF device must be mounted directly on these two planes to reduce the lead parasitic inductance. 3. The isolated Vdd and Gnd planes must be connected to the main Vcc and Gnd (digital) planes at a single point using ferrite beads. The beads are used to block the high frequency noises from the digital planes while still allowing the DC connections between the planes
EVERLIGHT ELECTRONICS CO., LTD. Office: No 25, Lane 76, Sec 3, Chung Yang Rd, Tucheng, Taipei 236, Taiwan, R.O.C
Tel: 886-2-2267-2000, 2267-9936 Fax:886-2-2269-8114, 2267-6189, 2267-6306 http://www.everlight.com
EVERLIGHT ELECTRONICS CO., LTD. Device NO: DPL-155-001
http://www.everlight.com Prepared Date:04-06-2004
Rev 1.0
Page: 7 of 7
Prepared By: Chin-Chia Hsu

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