參數(shù)資料
型號： 935263643551
廠商： NXP SEMICONDUCTORS
元件分類： 其它接口
英文描述： SPECIALTY INTERFACE CIRCUIT, PQFP48
封裝： PLASTIC, SOT-313, LQFP-48
文件頁數(shù)： 7/31頁
文件大小： 726K
代理商： 935263643551
1999 Aug 24
15
Philips Semiconductors
Product specication
SDH/SONET STM16/OC48 laser drivers
OQ2545HP; OQ2545BHP
Notes
1. Value is based on:
a) External modulation current of 60 mA through an external load of 33
and an internal modulation current of
20 mA giving a total modulation current of 80 mA.
b) Bias current is 100 mA.
c) Pins AMPADJ and EFADJ are left open-circuit.
Preamplier adjustment: pin AMPADJ
II
input control current
3mA
Emitter follower adjustment: pin EFADJ
II
input control current
3mA
Band gap decoupling connection: pin BGCAP
VBGCAP
band gap decoupling voltage
note 11
2.05
1.6
1.25
V
Temperature diodes: pin DIOA
VDIOA
temperature diode voltage
note 12
1.6
2.0
2.5
V
Laser modulation outputs: pins LA and LAQ; note 13
IOL
LOW-level output current
note 14
5
60
mA
IOH
HIGH-level output current
2mA
IO(off)
output current during laser shutdown
200
A
VO
output voltage
3.5
0V
δ
duty factor
note 15
43
50
57
%
tr
rise time
note 16
155
200
ps
tf
fall time
note 16
160
200
ps
Jo(p-p)
output jitter (peak-to-peak value)
15
40
ps
Zo
output impedance
single-ended
80
100
120
BR
bit rate
note 17
2.48832
Gbits/s
Bias current output: pin IBIAS
IO
output current
note 18
1
100
mA
IO(off)
output current during laser shutdown
200
A
VO
output voltage
note 19
5.5
0V
Monitor outputs: pins MON and MONQ
Vo(p-p)
output voltage (peak-to-peak value)
70
115
160
mV
VO
DC output voltage
1.4
V
Zo
output impedance
single-ended
40
50
60
Clock phase margin: pins CIN and CINQ (OQ2545HP only); see Fig.13
Tcy(CIN)
CIN cycle time
402
ps
tsu
set-up time
100
20
ps
th
hold time
100
20
ps
m
clock phase margin
180
320
deg
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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