![](http://datasheet.mmic.net.cn/330000/LT-74H73H-PG_datasheet_16424902/LT-74H73H-PG_3.png)
LT-74H73H-PG
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Receiver Characteristics ( 0
o
C < Topr < 70
o
C, 3.13V < Vcc < 3.47V )
Parameter
Symbol
Min.
Typ.
Max.
Optical
Sensitivity
Sen
-30
Saturation Optical Power
Sat
-8
Wavelength of Operation
1260
1360
Data Rate
1.25
Settling Time
400
DC Optical Tolerance
Sen +3
Optical Return Loss
20
Electrical
Data Output Voltage
–
Low
V
OL
- V
CC
-2.0
-1.58
Data Output Voltage
–
High
V
OH
- V
CC
-1.1
-0.74
Rest Between Packet
Resetless
3. Sensitivity and saturation levels at BER 1E-12 @ 2
7
-1@ER=10. The burst packet data pattern follows 8B10B protocol.
4. At least 30 dB optical isolation for the wavelength 1480 to 1500 nm.
5. No reset is needed.
6. The optical power difference between neighboring packets is up to 15 dB.
7. These inputs are compatible with 10K, 10KH and 100K ECL and LVPECL outputs.
CONNECTION DIAGRAM
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OPTOWAY TECHNOLOGY INC.
No
.3
8, Kuang Fu S. Road, Hu Kou, Hsin Chu Industrial Park, Hsin Chu, Taiwan 303
Tel: 886-3-5979798 Fax: 886-3-5979737
E-mail: sales@optoway.com.tw http: // www.optoway.com.tw
3/1/2006 V1.0
3
Units
dBm
dBm
nm
Gb/s
ns
dB
dB
V
V
Notes
3
3
4
5, 6
7
7
PIN
1
Signal Name
RX Ground
Description
PIN
10
Signal Name
TD-
Description
Receiver Ground. Connect this pin to
ground plane.
RX power supply input. Connect to 3.3
V power supply
No connection
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
2
RX Vcc
9
TD+
3
NC
8
TxDis
4
RX OUT (-)
Negative RX output, Differential
LVPECL. DC coupled.
Positive RX output, Differential
LVPECL. DC Coupled.
Mounting Studs. Connect to Chassis
Ground
7
TX Ground
5
RX OUT (+)
6
TX Vcc
MS
MS