ODIN-MIT4-02 Datasheet, PDF (3/7 Pages) AVAGO TECHNOLOGIES LIMITED – TTL Data Input (Logic to Light Function)

Table 4.1 AC Electrical Characteristics 45Mbaud (44.1kHz)
Limit Values
Parameter
Symbol min. typ. max. Unit
Power Up Time
T_PU
–
0.016 6
ms
DataPower Down Time T_PD
–
0.01 1.0
ms
Test Conditions
Zero -->MOST
MOST Data -->Zero
Optical Signal Characteristics
(22.5 Mbit MOST Data, V_CC = 3.135 ... 3.465 V or 4.75 … 5.25 V, R_ext = 15 kOhm)
Limit Values
Parameter
Symbol min. typ. max. Unit
Peak wavelength
Temperature coefficient λ_Peak
λ_Peak 630
TC_λ
–
650
685
nm
0.16 –
nm/K
Spectral bandwidth (FWHM)
Average Output Power coupled into plastic fiber ^[1]
Delta_λ –
20
30
nm
P_opt
-9.0
-5.2
-2.0 dBm
Average Output Power coupled into plastic fiber
(if Rext = 13.5k is used instead of Rext = 15k)^[1]
P_opt
-8.5
-4.7
-1.5 dBm
Optical Output Power“Light off“^[2]
Optical Rise Time (20% - 80%)^[4]
Optical Fall Time (20% - 80%)^[4]
Extinction Ratio^[4][6]
Pulse Width Variation ^[3][4][5]
Average Pulse Width Distortion^[3][4]
Data Dependent Link Jitter^[3][4]
Uncorrelated Link Jitter^[3][4]
Positive Overshoot within 0UI..2/3UI^[4][6]
P_off
–
-50
dBm
t_r
–
2.5
6
ns
t_f
–
3.5
6
ns
r_e
10
12
–
dB
t_PWV
20.0
–
24.3 ns
t_APWD -1.4
–
1.4
ns
t_DDJ
–
0.20 0.77 ns
t_UJ
–
0.05 0.33 ns
-20
–
40
%
Negative Overshoot within –1UI..–1/4UI^[4][6]
-10
–
20
%
High Level Signal Ripple between 2/3UI and 3/4UI^[4][6]
-10
–
10
%
Notes:
1. Average value, when transmitting modulated light @ signal timing paramters. The output power coupled into plastic fiber P_opt is measured with
a large area detector at the end of 30 cm POF fiber with a NA = 0.5, which is ideally coupled to the transmitter.
2. Average value, when signal on Tx_Data is low.
3. The electrical input signal has to fulfill following requirements: t_PWV(min) = 20.1 ns, t_PWV(max) = 24.1 ns, t_APWD(min) = -1.5 ns and t_APWD(max) = 1.5 ns,
t_DDJ(max).= 0.22 ns, t_UJ(max).= 0.10 ns.
4. Characterized with Avago Characterization Boards as described in the Application note “Application Note MOST circuit for Avago ODIN
Transceiver“.
5. Limits for 2UI are 42.2 ... 46.4ns and for 3UI thay are 64.3 ... 68.5ns.
6. Top and Base level measured at least over 10UIs.