ADN2531ACPZ-R2 Analog Devices Inc, ADN2531ACPZ-R2 Datasheet - Page 17
![IC, LASER DIODE DRIVER, 11.3GBPS LFCSP16](/photos/39/61/396134/4243133_sml.jpg)
ADN2531ACPZ-R2
Manufacturer Part Number
ADN2531ACPZ-R2
Description
IC, LASER DIODE DRIVER, 11.3GBPS LFCSP16
Manufacturer
Analog Devices Inc
Datasheet
1.ADN2531ACPZ-R7.pdf
(20 pages)
Specifications of ADN2531ACPZ-R2
Laser Driver Type
Laser Diode
Supply Current
36mA
Bias Current
100mA
Modulation Current
70mA
Data Rate
11.3Gbps
Supply Voltage Range
3V To 3.6V
Driver Case Style
LFCSP
No. Of Pins
16
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
The value of K depends on th
and can be obtained from Figure 35. For a TOSA resistance of
12 Ω, the typical value of K is 110 mA/V. Assuming that I
40 mA and using the preceding equation, the MSET voltage is
given by
The MSET voltage range can be calculated using the required
I
values can be obtained from the minimum and maximum
curves in Figure 35.
IBIAS Monitor Accuracy Calculations
MOD
range and the minim
V
MSET
6
5
4
3
2
1
0
0
=
I
110
MOD
Figure 41. Accuracy of I
20
mA/V
(mA)
um and maximum K values. These
=
40
110
40
e actual resistance of the TOSA
I
BIAS
=
(mA)
. 0
BIAS
36
60
to I
V
BMON
Ratio
80
100
MOD
Rev. 0 | Page 17 of 20
=
This example assumes that the nominal value of I
and that the I
80 mA. The accuracy of the I
and is plotted in Fig
Referring to Figur
±4.3% for the mini
max
The accuracy of the IBMON output current as a perc
the nominal I
for the minimum I
for the maximum I
for the IBMON output current of ±6.0% of the nominal I
value over all operating conditions. The IBMON output curr
accuracy numbers can b
for t
sources to cal ulate an overall accuracy for the IBMON
he 750 Ω IBMON resistor (R
imum I
IBMON
IBMON
BIAS
BIAS
c
BIAS
_
_
value of 80 mA.
Accuracy
Accuracy
range for all operating conditions is 10 mA to
is given by
e
BIAS
mum I
BIAS
41, t e IBMON outpu urren
ure 4 .
value, and by
value. This gives a worse-case accuracy
h
e combined with the accuracy numbers
1
MIN
MAX
BIAS
BIAS
of 10 mA and ±3.0% for the
=
=
10
80
to I
IBMON
mA
mA
BMON
) a
100
4
100
3
3 .
0 .
nd any other error
ratio is given in Tabl
t c
×
×
40
40
100
100
mA
mA
BIAS
t accuracy is
ADN2531
=
is 40 mA
entage of
=
±
±
voltage.
. 1
6
BIAS
075
0 .
%
ent
e 1
%