FOA2322A Datasheet, PDF (14/37 Pages) Infineon Technologies AG – 3.2 Gbi t /s Laser Driver IC for Telecom and Datacom Applications

FOA2322A
Electrical Characteristics
Table 3
Characteristics and Operating Conditions (cont’d)
SP Parameter
Sym-
bol
46 Shut Off Time after LF t_LDdis
transition or Laser Disable
47 V_CC Reset Threshold for
Laser Enable/Disable
48 Internal Power On Delay t_PDEL
49 Additional Power On
t_PDEL
Delay by external C_OSC
50 LDOFF low Output
Current
min.
0
Limit Values
typ.
max.
–
3
Unit Condi-
tion
µs
21)
2.5
2.75
2.99
V
22)
213
333
480
µs
64 × C_OSC 64 × C_OSC 64 × C_OSC
× 138 kΩ × 173 kΩ × 208 kΩ
1.5
–
4
mA
23)
15)23)
sink
current
51 LDOFF high Output
Current
–
–
2
µA sink
current
52 LDOFF high Output
Voltage
V_CC - 0.1 –
–
V
–
53 LDOFF low Output
Voltage
V_CC - 2.0 –
V_CC - 1.2 V
without
external
load
Reference Voltage
54 MD Reference Value
V_MDR
1.12
–
55 V_MDR Drift over
|∆V_MDR/ –
–
Temperature Range
V_MDR|
56 V_MDR Drift over Supply |∆V_MDR/ –
–
Voltage Range
V_MDR|
3 V … 5.5 V
57 V_MDR Drift over
|∆V_MDR/ –
–
Temperature Range at V_MDR|
Supply Voltage Range
3 V … 3.6 V
58 V_MDR Drift over
|∆V_MDR/ –
–
Temperature Range at V_MDR|
Supply Voltage Range
4.7 V … 5.3 V
1.32
5
10
5
V
24)
%–
%–
%–
5
%–
Preliminary Data Sheet
10
2001-05