AK2574VB AKM [Asahi Kasei Microsystems], AK2574VB Datasheet - Page 8
AK2574VB
Manufacturer Part Number
AK2574VB
Description
156M Laser Diode Driver + APC for Burst Mode
Manufacturer
AKM [Asahi Kasei Microsystems]
Datasheet
1.AK2574VB.pdf
(30 pages)
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5. LVPECL I/F (CLKP, CLKN, DATAP, DATAN, BRSTP, BRSTN)
6.
Note 1: This parameter is characterized and is not 100% tested.
Note 2: Depends on TXACT detection level, Monitor PD current, etc. For more information, see “VI. 3.1 TXACT”.
<MS0266-E-00>
Delay Time of BRST “L” → “H”
to First DATA
Delay Time of Last DATA
to IBIAS OFF
Delay Time of BRST “H”→”L”
to TXACT OFF
IBIAS Overshoot
IBIAS Error before 2ns
of First DATA
Delay Time of First DATA
to TXACT Detection
BRSTP - BRSTN
DATAP - DATAN
IBIAS Current
IMOD Current
Single-ended Input Voltage Swing
Common Voltage
BIAS Voltage
CLKP/CLKN
DATAP/DATAN
BRSTP/BRTSTN
Input Impedance
BRST Timing (SEL=”L”, without CLK)
TXACT
Vcom
Item
Item
Tdr-bd
rib1
Vamp
Symbol
Tdr-bd
Tdr-dt
Tdf-di
Tdf-bt
rib1
rib2
Symbol
rib2
Vamp
Vcom
Vbias
Zin
R_DAC2=FFh
R_DAC2=0Fh
R_DAC2=0Fh
R_DAC2=2Fh
R_DAC2=0Fh
R_DAC2=0Fh
Last Data=1
Conditions
0.5*VDD
2ns
min
0.1
10
Tdr-dt
100% Nominal
-8-
0.6*VDD
12.8
min
typ
Note 2
120
108
typ
98
VDD – 1.0
max
1.2
+/- 15
max
150
16
2
Unit
kΩ
V
V
V
Unit
ns
ns
ns
%
%
%
%
Tdf-bt
Remarks
Note 1
Note 1
Remarks
2003/12
Tdf-di
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