Multi-mode 155Mbps Bi-Directional Single Fiber 2x5 SFF Optical Transceiver

Transcription

1 Features Industrial standard 2 x 5 pin footprint Single SC/ST/FC connector interface Receptacle only with SC Receiver signal detect function Wide dynamic rang receiver with AGC PECL/LPECL logic interface, DC or AC coupling Single supply 5/3.3 Low power consumption Specifications Transmitter Parameter Symbol Min. Typ. Max. Unit Data Rate (NRZ) B Mb/s Optical Output Power (avg.) (1) (3) -1 Po dbm Extinction Ratio ER db Optical Wavelength TR78R85 (780nm FP LD) C nm TR85R78 (850nm CSEL) C nm Spectral Width nm Output Rise Time (10-90%) t r ns Output Fall Time (10-90%) t f ns Data Input (6) IL CC CC IH CC CC Tx Disable Input DIL DIH 2 - CC Supply oltage CC Supply Current I CC ma 1

2 Parameter Symbol Min. Typ. Max. Unit Receiver Data Rate (NRZ) B Mb/s Optical Input (avg.) Sensitivity (1) (5) -1 P IN dbm Saturation P SAT dbm Optical Wavelength TR78R TR85R nm Output Rise Time (10-90%) t r ns Output Fall Time (10-90%) t f ns Data Output (6) OL CC CC OH CC CC Signal Detect Asserted (avg.) P A dbm Signal Detect Deasserted (avg.) P D dbm Hysteresis P HYS db Supply oltage CC Supply Current I CC ma Optical Return Loss RL db Optical Cross Talk CT db Notes: (1) With 62.5/125 m fiber. (2) Driven with a differential signal. (3) Class 1 eye safe per FDA and IEC. (4) Eye mask diagram is compliant to IEEE802.3z Eye Diagram (5) PRBS, BER= (6) Compatible with LPECL and PECL logic levels. (7) The transmitter output should not be viewed directly. Absolute Maximum Ratings Parameter Min. Max. Unit Operating Temperature C C Storage Temperature C Lead Soldering Limits - 240/10 C /sec Supply oltage

3 Ordering Information T R R M S Operating Temperature Range: 1:0 ~ 70 C 2:-40 ~ 85 C Data Coupling & SD Output Level: Tx Rx Symbol SD Coupling Coupling C AC DC PECL D AC DC TTL E AC AC PECL F AC AC TTL G DC DC PECL H DC DC TTL I DC AC PECL J DC AC TTL Supply oltage: 5:5 3:3.3 Connector Type: SC:SC Connector FC:FC Connector ST:ST Connector Package Type: P:Pigtail R:Receptacle Sensitivity Grade: (refer to Specifications) 1:-1 Tx Output Power Grade: (refer to Specifications) 1:-1 Receiver Wavelength / Laser Type: 85:for 850nm 78:for 780nm Transmitter Wavelength / Laser Type: 78:780nm (FP LD) 85:850nm (CSEL LD) 3

4 Outline Drawing Pigtail 2x5 pins SFF Receptacle 2x5 pins SFF UNIT:mm 4 UNIT:mm

5 Pinout Description Pin No. Symbol Description 1 EER Receiver Ground 2 CCR Receiver Power Supply (5/3.3) 3 SD Receiver Signal Detect 4 RD- Receiver Data Out (Inverted) 5 RD+ Receiver Data Out 6 CCT Transmitter Power Supply (5/3.3) 7 EET Transmitter Ground 8 TDis Input Logic Low Level to Switch Laser ON Input Logic High Level to Switch Laser OFF 9 TD+ Transmitter Data in 10 TD- Transmitter Data In (Inverted) Application Notes Recommended AC Coupling Interface Circuit: Transmitter Laser Receiver Driver 2 X 5 SFF Transceiver (AC Data Coupling) (7) EET (8) TDis (9) TD+ (10) TD- (6) CCT (2) CCR L1 C1 L2 TX Disable C3 R1 CC R2 C4 SerDes IC (AC Data Coupling DATA OUT+ DATA OUT- Serializer/ Deserializer C2 PIN Pre- Limiting (3) SD (4) RD- (5) RD+ To upper level IC SD R4 R3 DATA IN- DATA IN+ (1) EER L1=L2=1 gh or ferrite bead C1=C2=C3=0.1 gf C4=10 gf R1, R2, R3 depends on SerDes IC specification. (Consult the SerDes IC application information) R4=510 [ NOTE G 1. Transmission line characteristic impedance. 2. R1, R2, R3 as close to SerDes IC as possible. 5

6 Recommended DC Coupling Interface Circuit: Transmitter Laser Receiver PIN Driver DATA OUT- Pre- 2 X 5 SFF Transceiver (DC Data Coupling) Limiting (7) EET (8) EET (9) TD+ (10) TD- (6) CCT (2) CCR (3) SD (4) RD- (5) RD+ TX Disable R1 L1 CC C1 C3 C4 R2 L2 C2 CC To upper level IC SD R9 C6 R3 C5 R5 SerDes IC (DC Data Coupling) DATA OUT+ Serializer/ Deserializer CC_SerDes DATA IN- DATA IN+ (1) EER R8 R7 R4 R6 L1=L2=1 gh or ferrite bead C1=C2=C3=C5=C6=0.1 gf C4=10 gf R1, R2, R3, R4, R5, R6 depends on SerDes IC specification. (Consult the SerDes IC application information) R7=R8=270 [ (CC=3.3) =510 [ (CC=5) R9=510 [ NOTE G 1. Transmission line characteristic impedance. 2. R1, R2, R3, R4, R5, R6 as close to SerDes IC as possibl 3. R7, R8 as close to 1X9 Transceiver as possible. 6