LT-94C73C-P1G Datasheet, PDF (3/6 Pages) Optoway Technology Inc – 3.3V / 2.488 Gbps 1490 nm Continuous-Mode TX

Optoway
3
LT-94C73C-P1G
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Receiver Characteristics ( 0^oC < Topr < 70^oC, 3.13V < Vcc < 3.47V )
Parameter
Symbol
Min.
Typ.
Max.
Units
Notes
Optical
Sensitivity
Sen
-29
dBm
2
Saturation Optical Power
Sat
-8
dBm
2
Wavelength of Operation
1260
1360
nm
3
Data Rate
1.244
Gb/s
Packet-to-Packet Guard Time
DC Optical Tolerance
32
Sen +3
Bits
4,5
dB
Optical Return Loss
20
dB
Signal Detect -- Asserted
Pa
-28
dBm Transition: low to high
Signal Detect -- Deasserted
Pd
-40
dBm Transition: high to low
Signal detect -- Hysteresis
2
dB
Electrical
Data Output Voltage – Low
Data Output Voltage – High
V_OL
Vcc - 1.935
V_OH
Vcc -1.135
Consecutive Identical Digit Immunity
72
Vcc - 1.56
V
Vcc - 0.76
V
Bits
Signal Detect Output Voltage -- Low
V_OL
Signal Detect Output Voltage -- High
V_OH
2.0
Signal Detect Assert Time
AS_MAX
10
15
Signal Detect Deassert Time
ANS_MAX
80
100
Rest Between Packet
2. Sensitivity and saturation levels at BER 1E-10 for a 2²³-1 @ER=10.
3. At least 30 dB optical isolation for the wavelength 1480 to 1500 nm.
4. No reset is needed.
5. The optical power difference between neighboring packets is up to 15 dB.
0.5
V
V
30
ns Transition: low to high
150
ns Transition: high to low
Resetless
CONNECTION DIAGRAM
PIN Signal Name
1 RX Ground
2 RX Vcc
3 RX SD
4 RX OUT (-)
5 RX OUT (+)
MS MS
Description
PIN Signal Name
Receiver Ground. Connect this pin to 10 TD-
ground plane.
RX power supply input. Connect to 3.3 9 TD+
V power supply
Signal Detect. High when single is
present (LVTTL)
8 TxDis
Negative RX output, Differential
LVPECL. DC coupled.
Positive RX output, Differential
LVPECL. DC Coupled.
Mounting Studs. Connect to Chassis
Ground
7 TX Ground
6 TX Vcc
Description
Negative transmitter data In. Internally
terminated for LVPECL. AC coupled.
Positive transmitter data In. Internally
terminated for LVPECL. AC coupled.
Transmitter Disable. TX is disabled
when this pin is low. Internally pulled
to “High”..
Transmitter Ground. Directly connect
this plan to ground plane
TX power supply input. Connect to 3.3
V power supply
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OPTOWAY TECHNOLOGY INC. No.38, Kuang Fu S. Road, Hu Kou, Hsin Chu Industrial Park, Hsin Chu, Taiwan 303
Tel: [phone]
Fax: [phone]
E-mail: [e-mail] http: // www.optoway.com.tw
5/1/2006 V1.0