FOA2322A Datasheet, PDF (15/37 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
min.
Limit Values
typ.
max.
Unit Condi-
tion
Logic Inputs RSTN, RST, LEN
59 Input Voltage High
V_IHLOGIC 2.0
–
60 Input Voltage Low
V_ILLOGIC 0
–
61 Input Current High
I_IHLOGIC –
–
62 Input Current Low
I_ILLOGIC -5
–
Logic Inputs CSELN
63 Input Voltage High for V_IHLOGIC 2.2
–
disabling data input latch
(nonclocked mode) or let
CSELN open
64 Input Voltage Low for
V_ILLOGIC 0
–
enabling data input latch
(clocked mode)
65 Internal Pull-Up-Resistor R_CSELN 8
10
Logic Outputs LF, HWA
66 Output Voltage Low
V_OLLOGIC –
–
67 Output Current High
I_OHLOGIC –
–
(Leakage Current)
68 Output Current Low
I_OLLOGIC 2
–
V_CC
0.8
V
25)
V
25)
5
µA –
–
µA –
V_CC
V
–
0.8
V
–
12
kΩ –
0.4
V
–
100
µA open
collector
–
mA sink
current
Modulation Control (Mode 2)
69 Mode 1 select
V_MODE V_CC - 0.8 –
V_CC
V
–
70 Mode 2 select
V_MODE 0
–
0.8
V
–
71 Internal pilot frequency
72 Pilot frequency with
external C_OSC
f_PILOT
f_PILOT
7.7
12
17.3
kHz –
(130 µs + (83 µs + (58 µs +
15)
1_×620×₈C_{kOΩS)C-1} 1_×617×₃C_{kOΩS)C-1} 1_×613×₈C_{kOΩS)C-1}
73 Effective pilot current
am_PILOT –
amplitude on modulation
3.5
–
%
26)
current high level (default)
Preliminary Data Sheet
11
2001-05