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ADN3010-11-50A-RL7

P1-P3P4-P6P7-P9P10-P11
ADN3010-11 Data Sheet
Rev. A | Page 6 of 10
TYPICAL PERFORMANCE CHARACTERISTICS
T
A
= 25°C, V
CC
= 3.3 V, R
LOAD
= 100 Ω differential (ac-coupled), λ = 1310 nm, unless otherwise noted.
Figure 3. BER Sensitivity at 10.52 Gbps vs. OMA
at Various Temperatures and Supplies
Figure 4. PM Current Output vs. Input Optical Average Power
Figure 5. Power Monitor Output at Various Temperatures and Supplies
Figure 6. I
CC
vs. P
AVE
at Various Temperatures and Supplies
Figure 7. OMA Sensitivity vs. Data Rate
Figure 8. Power Monitor Output at Various Wavelengths,
T
A
= 85°C, V
CC
= 3.0 V
10
–6
10
–7
10
–8
10
–9
10
–10
10
–11
10
–12
10
–5
10
–4
–21 –20 –19 –18 –17 –16 –15
BIT ERROR RATE SENSITIVITY
OMA (dBm)
11858-004
V
CC
= 3.0V, 85°C
V
CC
= 3.3
V, 25°C
0
50
100
150
200
250
300
350
400
0 100 200 300 400 500
PM CURRENT OUTPUT (µA)
INPUT OPTICA
L AVERAGE POWER (µW)
11858-005
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
0 5 10 15 20 25 30 35
PMO (A/W)
DEVICES
V
CC
= 3.0V, 85°C
V
CC
= 3.3V, 25°C
11858-006
29.0
29.5
30.0
30.5
31.0
31.5
32.0
32.5
33.0
33.5
34.0
–25 –20 –15 –10 –5 0
I
CC
(mA)
P
AVE
(dBm)
V
CC
= 3.0V, 85°C
V
CC
= 3.3V, 25°C
11858-007
–18.5
–18.0
–17.5
–17.0
–16.5
–16.0
–15.5
1
2
3
4
5
6 7
8
9
10
11
12
OMA SENSITIVITY
DATA RATE (Gbps)
11858-008
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1
6 1
1
16 21
26
31 36
PMO (A/W)
DEVICES
1270nm
1290nm
1300nm
1310nm
1330nm
11858-108
Data Sheet ADN3010-11
Rev. A | Page 7 of 10
THEORY OF OPERATION
The power monitor pin, PM, provides either a voltage or a
current output that is proportional to the sensed average
photocurrent. This feature allows the user to check how
well a fiber or an optical coupling system is aligned to the
ADN3010-11 photodetector (PD), which is typically useful
during receiver optical subassembly (ROSA) manufacturing.
To receive a PM pin signal from a transistor outline (TO)
packaged ROSA, the TO header must support at least five pins.
Figure 3 shows BER at 10.52 Gbps vs. input OMA at various
temperatures and supplies. In Figure 3, fitting the curve to a
best fit straight line allows extrapolation of the OMA sensitivi-
ties at either BER = 10
−10
or 10
−12
from the measured OMA
input data at a wider range of BER. The extrapolated BER =
10
−10
sensitivity spans from −16.8 dBm to −17.4 dBm OMA and
the BER = 10
−12
sensitivity spans from −16.4 dBm to −16.8 dBm
OMA at various temperature and supply voltages.
Figure 6 shows the ADN3010-11 supply current, I
CC
, vs. optical
average power, P
AVE
, at various temperatures and supply
voltages.
ADN3010-11 Data Sheet
Rev. A | Page 8 of 10
APPLICATIONS INFORMATION
BONDING
Figure 9. Typical Bonding Diagram for 5-Pin Metal Header Package [TO-46]
By using the recommended sequence in Table 4, the ESD or
electronics stress introduced by a bonding tip can be reduced.
Table 4. Recommended Bonding Sequence
Bonding Order Pad No. Mnemonic
1 9 GND
2 8
1
VCC
3 6 GND
4
5
PM
5 4 VCC
6 3 GND
7 2 VCC
8 1 GND
9
11
OUT+
10 10 OUT−
1
Bonding this pad is not necessary in a metal header package [TO].
POWER MONITOR (PM) OUTPUT APPLICATIONS
The PM output can be set in either voltage output mode or
current output mode for a mirrored photodidode current, I
PD
,
which includes sensed photocurrent plus a preset offset current.
Therefore, I
PD
is proportional to the sensed photodiode current.
The setup of the V
OC
(open circuit voltage output) and I
SC
(short
circuit current output) measurement is shown in Figure 10.
Figure 10. Typical PM Circuit and Test Setup
V
OC
and I
SC
are determined depending on the detection
accuracy of I
PD
, as follows:
V
OC
= 0.7 V at I
PD
= 1.0 mA ± 10%
I
SC
= 700 µA at I
PD
= 1.0 mA ± 5%
where I
PD
is proportional to the PD dark current and process
tolerance.
The PMO offset is composed of the ADN3010-11 photodiode
dark current (mirrored) and a preset offset current (see Table 1
for details).
POWER MONITOR OUTPUT ESTIMATION
The PMO can be used to achieve optimal optical coupling. To
use the PM pin properly, calibrate the integrated PD dark
current out because the dark current is temperature and
reversed bias dependent.
In voltage mode,
PMO = (V
OC
– V
DK
)/0.7/P
AVE
(optical power)
In current mode,
PMO = (I
SC
– I
DK
)/0.7/P
AVE
(optical power)
where:
PMO is the power monitor output (A/W) in voltage and current
modes.
V
OC
is the voltage output (mV) produced by an input light with
an optical average power, P
AV E
.
V
DK
is the voltage output (mV) at no light input, P
AV E
= 0 mW.
P
AV E
is the average optical power of an input light to the receiver
PD.
I
SC
is the current output at an input light with P
AV E
= 100 mW.
I
DK
is the current output (µA) at no light input, P
AV E
= 0 mW.
OUT+
VCC
PM
GND
OUT–
ADN3010-11
11858-009
A
PM300Ω
700Ω
V
OC
I
SC
I
PD
(MIRRORED)
11858-010
P1-P3P4-P6P7-P9P10-P11

ADN3010-11-50A-RL7

Mfr. #:
Buy ADN3010-11-50A-RL7
Manufacturer:
Analog Devices Inc.
Description:
Transimpedance Amplifiers 11Gb/s TIA + Lim AMP PD
Lifecycle:
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