3
Optoway
BTRS-7910CG
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Receiver Specifications (0oC < Topr < 70oC, 3.13 V < Vcc < 3.47V)
Parameter
Symbol
Min
Typ
Max
Units
Notes
Optical
Sensitivity
---
Pin
Pa
---
-3
---
---
---
---
---
-20
---
dBm
dBm
dBm
dBm
dB
1
Maximum Input Power
Signal Detect -- Asserted
Signal Detect -- Deasserted
Signal detect -- Hysteresis
Wavelength of Operation
Optical Return Loss
---
-20
---
Transition: low to high
Transition: high to low
Pd
-31
1.0
1260
20
1360
nm
dB
2,3
ORL
Electrical
Data Output Voltage Swing
SD Output Voltage -- Low
SD Output Voltage -- High
Signal Detect Assert Time
Signal Detect Deassert Time
V
OH – VOL
VOL
0.575
0
0.930
0.8
V
V
VOH
2.0
Vcc+0.3
100
V
ms
ms
ASMAX
OFF to ON
ON to OFF
ANSMAX
300
Notes: 1. Minimum sensitivity and saturation levels at BER 1E-12 for a 27-1 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
Symbol
VEE
Notes
r
Directly connect this pin to the receiver ground plane
+3.3V dc power for the receiver section
VCC
SD
r
3
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
4
5
RD-
RD+
VCC
6
t
7
VEE
t
Directly connect this plan to the transmitter ground plane
8
TxDis
Transmitter Disable. Connect this pin to +3.3V TTL logic “1” to disable module
To enable module connect to TTL logic low “0”
9
TD+
TD-
MS
Transmitter Data In. See recommended circuit schematic
Transmitter Data In Bar. See recommended circuit schematic
Mounting Studs. Connect to Chassis Ground
10
MS
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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
Fax: 886-3-5979737
E-mail: sales@optoway.com.tw http: // www.optoway.com.tw 10/1/2005 V2.0