The module consists of a PIN photodetector, a low noise
preamplifier, a connectorized single-mode fibre pigtail
and a hermetic metal package with coplanar output.
Optimized for use in 10 Gb/s long haul applications,
either as a discrete device or within a transponder,
using NRZ Modulation.
Features:
• High sensitivity, -18.5 dBm typical
• Surface mount MSA compliant
• Low capacitance high speed InGaAs PIN detector
• Hermetically sealed
• Designed to exceed the requirements of Telcordia
GR468-CORE
• Single mode fibre tail
• Compatible with AT10GC APD Receiver
• Output stage limits the signal to typically 1100 mV p-p
differential, removing the need for a post amplifier
• RoHS 5/6 compliant
1
Data Sheet
Characteristics
TC = 25°C unless otherwise specified
Parameter
Optical sensitivity 2
31
-1 BER <10
-12
Optical overload 2
31
-1 BER <10
-12
High frequency -3 dB corner
PiN bias voltage
Dark current
PIN responsivity
[1]
[2]
[4]
Symbol
Sens
Psat
f3 dB
Vpd
Id
R
Vee
lee
TZG
Min
Typ
-18.5
Max
-17
Unit
dBm
dBm
GHz
+1
8
9.5
-8
5
10
0.7
0.8
-5.2
75
1100
1440
90
1800
Return loss S22 (400 KHz to 7 GHz)
dB
V
nA
A/W
V
mA
Ohms
Amplifier bias voltage
Amplifier current consumption
Transimpedance gain
[2,3,5]
Notes
[1] Optical wavelength between 1525nm – 1575nm.
[2] Load impedance is 50
Ω
(AC coupled) with a return loss >20 dB,up to 20 GHz.
[3] Excludes PIN responsivity.
[4] Measured with 10 Gb/s NRZ PRBS data and no FEC.
[5] Differential.
Absolute Ratings
Parameter
Amplifier bias voltage
Operating temperature
Storage temperature
Optical input
[3]
[2]
[1]
Symbol
Vcc
Top
Tstg
po
Min
-6
-40
-40
35
Max
+0.5
85
85
10
+7.5
Unit
V
°C
°C
dBm
mm
V
Fibre bend radius
Maximum PIN bias voltage
Notes (Absolute Ratings):
Vpd
[1] The operating temperature is defined as the temperature of the module case.
[2] The rating is referred to ambient temperature.
[3] The optical level that causes no damage to the module. However, the electrical and optical performance specified in this document may not be guaranteed.
2
Data Sheet
Pin Out
Pin #
1
2
3
4
5
6
7
8
9
Symbol
GND
Vpd
NC
Vee
NC
GND
GND
Out_N
GND
Parameter
Case ground
PIN bias voltage
No connection
Amplifier Bias
No connection
Case ground
Case ground
Negative output
Case ground
Pin #
10
11
12
13
14
15
16
17
Symbol
Out_P
GND
GND
FBIN
NC
NC
NC
GND
Parameter
Positive output
Case ground
Case ground
Offset feedback (if used)
No connection
No connection
No connection
Case ground
Schematic Diagram
Figure 1: Schematic Diagram
3
Data Sheet
Typical Performance Characteristics
Figure 2: Typical small signal eye diagram measured at 10Gb/s 223-1 PRBS.
Figure 3: Typical large signal eye diagram measured at 10Gb/s 223-1 PRBS.
4
Data Sheet
Typical Performance Characteristics (continued)
Figure 4: PT10GC AC transfer function.
Figure 5: Output DC offset adjust using FB_in (pin 13).
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