ak2574 AKM Semiconductor, Inc., ak2574 Datasheet - Page 8

• Manufacturer Part Number: ak2574
• Description: 156m Laser Diode Driver Apc For Burst Mode
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
5. LVPECL I/F (CLKP, CLKN, DATA P, 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
min
12.8
typ
Note 2
120
108
typ
98
VDD – 1.0
max
1.2
+/- 15
max
150
16
2
Unit
k!
V
V
V
Unit
ns
ns
ns
%
%
%
%
Tdf-bt
Remarks
[AK2574]
Note 1
Note 1
Remarks
2003/12
Tdf-di