SFP Laser Controller and
Diagnostic IC
ANALOG OUTPUT CHARACTERISTICS
(V CC = 2.97V to 5.5V, T A = -40°C to +95°C.)
PARAMETER
I DAC0 and I DAC1
I DAC0 and I DAC1 (Off State Current)
DESCRIPTION
Range 1
Range 2
CONDITIONS
Position FFh (Note 6)
Shutdown or Position 00h
MIN
TYP
0.5
1.5
10
MAX
100
UNITS
mA
mA
nA
Voltage at I DAC0 and I DAC1
0.7
V CC
V
I DAC0 and I DAC1 Accuracy
(Note 6)
Resolution
Range 1
Range 2
I DAC < 50μA
I DAC > 50μA
I DAC < 50μA
I DAC > 50μA
0.4
±10
±4
± 10
±4
μA
%
μA
%
%FS
ANALOG VOLTAGE MONITORING CHARACTERISTICS
(V CC = 2.97V to 5.5V, T A = -40°C to +95°C.)
PARAMETER
Full-Scale Monitor Input
Full-Scale V CC Monitor
SYMBOL
CONDITIONS
At factory setting (Note 4)
At factory setting (Note 5)
MIN
2.4875
6.5208
TYP
2.5000
6.5536
MAX
2.5125
6.5864
UNITS
V
V
Monitor Resolution
(V CC , IBI, TXP, RIN)
0.024
%FS
MON1P to MON1N FS
MON1 (Note 7)
0
2.5
V
MON1P, MON1N Common-Mode
Voltage
MON1P (Single-Ended)
MON1 FS (Factory)
MON2 FS (Factory)
MON3 FS (Factory)
(Notes 7 and 8)
(Note 7)
(Note 7)
V MON3 = 2.5V (Note 7)
0
2.5
2.5
2.5
V CC
2.5
V
V
V
V
V
Supply Accuracy
MON1 Accuracy
MON2 Accuracy
MON3 Accuracy
V CCacc
MON1 acc
MON2 acc
MON3 acc
(Note 7)
(Note 7)
(Note 7)
(Notes 7 and 9)
0.5
0.5
0.5
0.5
%FS
%FS
%FS
%FS
Monitoring Update Rate
Fast-Trip Comparator Accuracy
t frame
FC acc
Dual range disabled
Dual range enabled
21.5
57
26.0
70
±4
ms
%FS
_____________________________________________________________________
3
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