|
|
PDF GO2925 Data sheet ( Hoja de datos )
| Número de pieza | GO2925 | |
| Descripción | 1310nm Optical Transceiver | |
| Fabricantes | Gennum | |
| Logotipo |  |
|
Hay una vista previa y un enlace de descarga de GO2925 (archivo pdf) en la parte inferior de esta página. Total 27 Páginas | ||
|
No Preview Available !
GO2925 1310nm Optical Transceiver
Features
• Best-in-class optical receiver sensitivity: -22dBm
(over all supported video rates with pathological data)
• Robust error free transmission of signals from 50Mbps
to 3Gbps with up to 30km single-mode fiber
• Maximum distance of 10km under worst-case
conditions and 3Gbps video pathological signals
• Supports video pathological patterns for SD-SDI,
HD-SDI and 3G-SDI
• Hot-pluggable
• Laser disable pin
• Diagnose and control via I2C interface including:
Monitoring of the laser bias current, average output
power, receive optical power, supply voltage and
temperature
Alarm reporting
Module ID polling
• Single +3.3V power supply
• Low Power Consumption— typical 650mW
• RoHS compliant
• Operating case temperature range: 0°C to 70°C
• 56.5mm x 13.4mm x 8.6mm SFP Package
• SMPTE 297-2006 compatible
Applications
• SMPTE 297-2006 compatible optical-to-electrical
interfaces
• Broadcast cameras
‘
Description
The GO2925 is an optical transceiver module engineered
for exceptional performance in the presence of SDI
pathological patterns. The transceiver features
best-in-class optical receiver sensitivity for SMPTE 259M,
SMPTE 344M, SMPTE 292M and SMPTE 424M serial rates,
thus providing superior optical link budget and robustness.
The GO2925 contains a PIN photodiode receiver and a
1310nm Fabry-Perot laser transmitter designed to provide
error-free transmission of signals from 50Mbps to 3Gbps
over single mode fiber (9/125). It is also hot-pluggable.
The GO2925 provides extensive operational status
monitoring through an I2C interface. Input optical power is
monitored in the receiver; output optical power and bias
current are monitored in the transmitter. Other operating
conditions, such as power supply and operating
temperature, are also monitored. If a monitored parameter
falls outside the pre-defined range, an alarm flag associated
with the parameter will be raised.
Ordering Information
Part Number
GO2925-31CM
Package
SFP
Temperature Range
TCASE= 0°C to 70°C
GO2925 3G-SDI 1310nm Video Optical Transceiver Module
GO2925 1310nm Optical Transceiver
Data Sheet
52728 - 1
November 2009
www.gennum.com
1 of 27
1 page  
2. Pin Specifications
2.1 Pin Configuration
Figure 2-1 shows the host board pad configurations for the GO2925. Figure 2-2 shows
the edge connector pad configuration for the GO2925.
1
2
3
4
Towards
Bezel
5
6
7
8
9
10
VEE_TX
TX_DIS
TX_FAULT
TD-
NC TD+
VEE_TX
VEE_TX
I2C CLK
VCC_TX
I2C DATA
VCC_RX
VEE_RX
VEE_RX
RX_LOS
RD+
NC RD-
NC VEE_RX
20
19
18
17
16
Towards
15 ASIC
14
13
12
11
Figure 2-1: GO2925 Host Board Pad Configuration
Top of Board
20 TX_DIS
19 TD-
18 TD+
17 VEE_TX
16 VCC_TX
15 VCC_RX
14 VEE_RX
13 RD+
12 RD-
11 VEE_RX
Bottom of Board
(as viewed through top of board)
1 VEE_TX
2 TX_FAULT
3 NC
4 VEE_TX
5 I2C CLK
6 I2C DATA
7 VEE_RX
8 RX_LOS
9 NC
10 NC
Figure 2-2: GO2925 Edge Connector Pad Configuration
GO2925 1310nm Optical Transceiver
Data Sheet
52728 - 1
November 2009
5 of 27
5 Page 
3.4 AC Electrical Specifications
Table 3-5 lists the AC electrical specifications for the GO2925.
Table 3-5: AC Electrical Specifications
VCC = 3.3V ±5%, TC = 0oC to 70oC. Typical values are at VCC = 3.3V, TA = 25oC unless otherwise specified.
Parameter
Symbol
Condition
Min Max
Bit Rate
Time to Initialize
Rise/Fall Time
Tx_Disable Assert Time
Tx_Disable Negate Time
Rx_LOS Assert Time
Rx_LOS De-assert Time
Serial ID Clock Rate
BR
t_init
tr / tf
t_off
t_on
t_loss_on
t_loss_off
f_serial_clock
–
From power on
20% to 80%
Time from rising edge of Tx_Disable to when
the optical output falls below 10% of nominal.
Time from falling edge of Tx_Disable to when
the modulated optical output rises above 90%
of nominal.
Time from Rx_LOS state to Rx_LOS assert.
Time from non-Rx_LOS state to Rx_LOS
de-assert.
–
50
–
–
–
–
–
–
–
3000
300
135
10
1
10
10
400
Units
Mbps
ms
ps
μs
ms
ms
ms
kHz
3.5 Supporting Circuit Specifications
3.5.1 In-Rush Current Control Circuit
Due to the hot-pluggable requirement, the GO2925 has built-in circuits to limit the
in-rush current upon hot insertion. The specifications of the in-rush limiting circuits are
summarized in Table 3-6.
Table 3-6: In-rush Current Limiting Circuits Specifications
Parameter
Maximum in-rush current ramp rate
Maximum in-rush current
Value
50mA/ms
30mA over steady state
GO2925 1310nm Optical Transceiver
Data Sheet
52728 - 1
November 2009
11 of 27
11 Page | ||
| Páginas | Total 27 Páginas | |
| PDF Descargar | [ Datasheet GO2925.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| GO2921B31CM | 1310nm Optical Transceiver | Gennum |
| GO2925 | 1310nm Optical Transceiver | Gennum |
| Número de pieza | Descripción | Fabricantes |
| SLA6805M | High Voltage 3 phase Motor Driver IC. |
 Sanken |
| SDC1742 | 12- and 14-Bit Hybrid Synchro / Resolver-to-Digital Converters. |
 Analog Devices |
|
DataSheet.es es una pagina web que funciona como un repositorio de manuales o hoja de datos de muchos de los productos más populares, |
| DataSheet.es | 2020 | Privacy Policy | Contacto | Buscar |