GN2014A Datasheet, PDF (6/18 Pages) Gennum Corporation – XFP Tx Signal Conditioner with VCSEL Driver

2.1 DC Electrical Characteristics
Table 2-2: DC Electrical Characteristics
V_CC = +2.8V to +3.47V, T_C = -40°C to 95°C. Typical values are at V_CC = +3.3V and T_A = 25°C, unless otherwise specified.
Note: mVppd refers to mV peak-to-peak differential value.
Parameter
Symbol
Min
Typ
Max
Units Note
Supply Voltage
Power Consumption
V_CC
-15%
3.3
+5%
V
–
–
–
300
485
mW –
CML Input Specifications
Input Amplitude
V_IN
Input Termination
–
CML SDO Output Specifications
Output Amplitude
–
Output Termination
–
Output with LDDisable =
–
HIGH
Swing Select Input Current
–
CPA Input Current
–
120
–
80
100
300
–
(3mA
mod
current)
80
100
–
–
0
–
–
–
1000
120
mVppd Note 1, Note 2
Ω
Differential
1500
(15mA
mod
current)
120
100
mVppd Controlled using Voltage to
SwingSel, LDDisable = LOW
Ω
μAppd
Differential
–
150
μA
Required for 0 – 1400mVppd
output range
250
μA
Required for up to 25%
change
CML LBSDO Output Specifications
Output Amplitude
V_0LB
Output Termination
–
Output Buffer Switching
I_OLB
Current
160
195
80
100
–
3.9
300
mVppd AC coupled with the LBSDI
from GN2003S
120
Ω
Differential
–
mA
–
Control Logic Input Specifications
Input Low Voltage
V_IL
0
–
0.8
V
–
Input High Voltage
V_IH
2.0
–
V_CC
V
–
Input Low Current
I_IL
–
-100
–
μA
V_IL = 0V
Input High Current
I_IH
–
100
–
μA
V_IH = +3.3V, V_CC = 3.3V
Notes:
1. XFP MSA Revision 4.0 (Table 17).
2. If input signal is below 100mV threshold, LOL may trigger.
GN2014A XFP Tx Signal Conditioner with VCSEL Driver
Data Sheet
39260 - 8
May 2010
6 of 18
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