Optoway
Receiver Specifications (0
o
C < Topr < 70
o
C, 3.135 V < Vcc < 3.465V)
Parameter
Optical
Sensitivity
Maximum Input Power
Signal Detect -- Asserted
Signal Detect -- Deasserted
Signal detect -- Hysteresis
Wavelength of Operation
Optical Return Loss
Electrical
Data Output Voltage Swing
SD Output Voltage -- Low
SD Output Voltage -- High
Signal Detect Assert Time
Signal Detect Deassert Time
Symbol
---
Pin
Pa
Pd
Min
---
-3
---
-31
1.0
1260
20
0.575
0
2.0
Typ
---
---
---
---
---
Max
-22
---
-22
---
1360
BTRS-7920C / BTRS-7920AC
Units
dBm
dBm
dBm
dBm
dB
nm
dB
V
V
V
µs
µs
Notes
1
Transition: low to high
Transition: high to low
2,3
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ORL
V
OH
–
V
OL
V
OL
V
OH
AS
MAX
ANS
MAX
0.930
0.8
Vcc+0.3
100
300
OFF to ON
ON to OFF
Notes: 1. Minimum sensitivity and saturation levels at BER 1E-12 for a 2
7
-1 PRBS.
2. At least 30 dB optical isolation for the wavelength 1480 to 1500 nm.
3. At least 30 dB optical isolation for the wavelength 1550 to 1600 nm.
CONNECTION DIAGRAM
PIN
1
2
3
4
5
6
7
8
9
10
MS
Symbol
V
EE
r
V
CC
r
SD
RD−
RD+
V
CC
t
V
EE
t
TxDis
TD+
TD-
MS
Notes
Directly connect this pin to the receiver ground plane
+3.3V dc power for the receiver section
Active high on this indicates a received optical signal.
Receiver Dataout Bar. See recommended circuit schematic
Receiver Dataout. See recommended circuit schematic
+3.3V dc power for the transmitter section
Directly connect this plan to the transmitter ground plane
Transmitter Disable. Connect this pin to +3.3V TTL logic
“1”
to disable module
To enable module connect to TTL logic low
“0”
Transmitter Data In. See recommended circuit schematic
Transmitter Data In Bar. See recommended circuit schematic
Mounting Studs. Connect to Chassis Ground
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OPTOWAY TECHNOLOGY INC.
No.38, Kuang Fu S. Road, Hu Kou, Hsin Chu Industrial Park, Hsin Chu, Taiwan 303
Tel: 886-3-5979798
E-mail: sales@optoway.com.tw
Fax: 886-3-5979737
http: // www.optoway.com.tw
6/30/2004 V2.0
OPTOWAY [ OPTOWAY TECHNOLOGY INC ]
