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PDF VSC7983 Data sheet ( Hoja de datos )
| Número de pieza | VSC7983 | |
| Descripción | 11.3Gb/s Eml Driver | |
| Fabricantes | Vitesse Semiconductor | |
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VSC7983
Datasheet
11.2 Gbps Electroabsorption Modulator Driver
FEATURES
APPLICATIONS
● 5 V or –5.2 V power supply operation
● Selectable data retiming
● AC-coupled inputs
● Internally-stabilized modulation and bias outputs
● Excellent output return loss
● 300 mV differential data input sensitivity
● Programmable output data eye crossing point
● SONET OC-192 and SDH STM-64 transmission
systems up to 11.2 Gbps
● 10 GbE modules
● VSR modules
● Fiber optic transponder and transceiver modules
● SONET/SDH test equipment
GENERAL DESCRIPTION
The VSC7983 device is a 11.2 Gbps electroabsorption modulator driver for SONET/SDH and 10 GbE applications.
The device provides selectable data retiming to improve jitter performance and controls for output bias voltage,
modulation voltage, and duty cycle. Internal operational amplifiers preclude the need for additional off-chip circuitry.
The unique architecture of the VSC7983 device provides excellent output impedance which improves the match
between the driver and load, further reducing output jitter. The VSC7983 device is available in a 32-pin
MicroLeadFrame™ (MLF) package, a high performance 32-pin metal-glass QFP package, or in die form.
Block Diagram
DATA
50 Ω
50 Ω
DATAN
VCC
VCC
Retimer
DCC
50 Ω
50 Ω
OUT
OUTN
CLK
CLKN
CSEL
PW
PWN
VMOD
VOFS
G52394 Revision 4.2
April 26, 2005
© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012
Tel: (800) VITESSE • FAX: (805) 987-5896 • E-mail: [email protected]
Internet: www.vitesse.com
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VSC7983
Datasheet
ELECTRICAL SPECIFICATIONS
This section contains the DC characteristics, AC characteristics, operating conditions, and maximum ratings for the
VSC7983 device.
DC Characteristics
All parameters are guaranteed over temperature and supply with 11.2 Gbps PRBS 231−1 pattern unless otherwise
noted.
Table 1. DC Characteristics
Symbol
VCC – VEE
IEE
Parameter
Power supply voltage
Power supply current
(nominal bias and modulation
current)
PDNOMINAL Power dissipation
(nominal bias and modulation
current)
IQ Quiescent power supply current
Minimum
4.75
Typical
5.0
277
1440
237
Maximum
5.5
300
1650
260
PDQ Quiescent power dissipation
1240
1430
VMOD
VOFS
VBIAS
Output modulation control
voltage
VEE
Output offset control voltage for
output bias
VEE
Output bias voltage
VCC – 1.0
VEE + 1.0
VEE + 2.2
VCC – 0.1
Unit
V
mA
mW
mA
mW
V
V
V
Condition
VMOD = VEE + 0.5 V.
VOFS = VEE + 2.0 V.
VOM = 2.5 V, VBIAS = 1 V.
VMOD = VEE + 0.5 V.
VOFS = VEE + 2.0 V.
VOM = 2.5 V, VBIAS = 1 V.
VMOD = VEE, VOFS = VEE.
VOM = 2 V, VBIAS = 0 V.
VMOD = VEE, VOFS = VEE.
VOM = 2 V, VBIAS = 0 V.
Output amplitude maximum at
VEE + 1.0 V, minimum at VEE.
See Figure 2.
No offset at VEE; maximum
offset at VEE + 2.2 V.
See Figure 3.
RL = 50 Ω. See Figure 3.
G52394 Revision 4.2
April 26, 2005
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VSC7983
Datasheet
Figure 10. VSC7983CD: 3 V Swing Without Bias, Clocked
Figure 11. VSC7983YE-02: 3 V Swing Without Bias, Clocked
G52394 Revision 4.2
April 26, 2005
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| Páginas | Total 22 Páginas | |
| PDF Descargar | [ Datasheet VSC7983.PDF ] | |
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