BTRS-7720CG Datasheet, PDF (2/5 Pages) Optoway Technology Inc – 1550 nm TX / 1310 nm RX , 3.3V / 1250 Mbps RoHS Compliant Single-Fiber Transceiver

Optoway
2
BTRS-7720CG
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Transmitter Specifications (0^oC < Topr < 70^oC, 3.13V < Vcc < 3. 47V)
Parameter
Symbol
Min
Typ
Max
Optical
Optical Transmit Power
Po
-8
-3
Output Center Wavelength
Output Spectrum Width
Extinction Ratio
Output Eye
λ
1480
σ_λ
E_R
9
Compliant with IEEE 802.3z
1580
1
Optical Rise Time
t_r
0.26
Optical Fall Time
t_f
0.26
Relative Intensity Noise
RIN
-120
Total Jitter
TJ
0.227
Electrical
Data Input Current – Low
Data Input Current – High
Differential Input Voltage
Data Input Voltage – Low
Data Input Voltage -- High
Disable Input Voltage -- Low
Disable Input Voltage -- High
Shut Off Time for TxDis
I_IL
I_IH
V_IH - V_IL
V_IL - V_CC
V_IH - V_CC
V_TDIS,L
V_TDIS,H
t_DIS
-350
300
-2.0
-1.1
0
Vcc – 1.3
350
1600
-1.58
-0.74
0.8
Vcc
1
Notes: 1. Output power is power coupled into a 9/125 µm single mode fiber.
2. Measured with a 2⁷-1 PRBS.
3. These inputs are compatible with 10K, 10KH and 100K ECL and LVPECL inputs.
Units
Notes
dBm
1
nm
nm -20 dB Width
dB
ns
ns
dB/Hz
ns
20% to 80% Values
20% to 80% Values
2
µA
µA
mV
V
3
V
3
V
TX Output Enabled
V
TX Ouput Disabled
ms
Receiver Specifications (0^oC < Topr < 70^oC, 3.13 V < Vcc < 3. 47V)
Parameter
Symbol
Min
Typ
Max
Optical
Sensitivity
---
---
---
-22
Maximum Input Power
Pin
-3
---
---
Signal Detect -- Asserted
Pa
---
---
-22
Signal Detect -- Deasserted
Pd
-31
---
---
Signal detect -- Hysteresis
1.0
---
Wavelength of Operation
1260
1360
Optical Return Loss
ORL
20
Electrical
Data Output Voltage Swing
SD Output Voltage -- Low
SD Output Voltage -- High
Signal Detect Assert Time
V_OH – V_OL
V_OL
V_OH
AS_MAX
0.575
0
2.0
0.930
0.8
Vcc+0.3
100
Signal Detect Deassert Time
ANS_MAX
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 1580 nm.
Units
Notes
dBm
1
dBm
dBm Transition: low to high
dBm Transition: high to low
dB
nm
2
dB
V
V
V
µs
OFF to ON
µs
ON to OFF
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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 10/1/2005 V2.0