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ADN2872ACPZ-R7 Datasheet(PDF) 3 Page - Analog Devices

Part # ADN2872ACPZ-R7
Description  3.3 V Dual-Loop, 50 Mbps to 3.3 Gbps Laser Diode Driver
PDF  20 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADN2872ACPZ-R7 Datasheet(HTML) 3 Page - Analog Devices

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ADN2872
Rev. 0 | Page 3 of 20
SPECIFICATIONS
VCC = 3.0 V to 3.6 V. All specifications TMIN to TMAX, unless otherwise noted.1 Typical values as specified at 25°C.
Table 1.
Parameter
Min
Typ
Max
Unit
Conditions/Comments
LASER BIAS CURRENT (IBIAS)
Output Current, IBIAS
2
100
mA
Compliance Voltage
1.2
VCC
V
IBIAS when ALS High
0.2
mA
CCBIAS Compliance Voltage
1.2
V
MODULATION CURRENT (IMODP, IMODN)2
Output Current, IMOD
5
90
mA
Compliance Voltage
1.5
VCC
V
IMOD when ALS High
0.05
mA
Rise Time2, 3
60
104
ps
Fall Time2, 3
60
96
ps
Random Jitter2, 3
0.8
1.1
ps rms
Deterministic Jitter2, 3
35
ps
20 mA < IMOD < 90 mA
Pulse Width Distortion2, 3
30
ps
20 mA < IMOD < 90 mA
AVERAGE POWER SET (PAVSET)
Pin Capacitance
80
pF
Voltage
1.1
1.2
1.35
V
Photodiode Monitor Current (Average Current)
50
1200
μA
Resistor setpoint mode
EXTINCTION RATIO SET INPUT (ERSET)
Resistance Range
1.2
25
kΩ
Resistor setpoint mode
Voltage
1.1
1.2
1.35
V
Resistor setpoint mode
AVERAGE POWER REFERENCE VOLTAGE INPUT (PAVREF)
Voltage Range
0.12
1
V
Voltage setpoint mode (RPAV fixed at 1 kΩ)
Photodiode Monitor Current (Average Current)
120
1000
μA
Voltage setpoint mode (RPAV fixed at 1 kΩ)
EXTINCTION RATIO REFERENCE VOLTAGE INPUT (ERREF)
Voltage Range
0.1
1
V
Voltage setpoint mode (RERSET fixed at 1 kΩ)
DATA INPUTS (DATAP, DATAN)4
Input Voltage Swing (Differential)
0.4
2.4
V p-p
AC-coupled
Input Impedance (Single-Ended)
50
Ω
LOGIC INPUTS (ALS)
VIH
2
V
VIL
0.8
V
ALARM OUTPUT (FAIL)5
VOFF
>1.8
V
Voltage required at FAIL for IBIAS and IMOD to
turn off when FAIL asserted
VON
<1.3
V
Voltage required at FAIL for IBIAS and IMOD to
stay on when FAIL asserted
IBMON, IMMON DIVISION RATIO
IBIAS/IBMON3
85
100
115
A/A
11 mA < IBIAS < 50 mA
IBIAS/IBMON3
92
100
108
A/A
50 mA < IBIAS < 100 mA
IBIAS/IBMON Stability3, 6
±5
%
10 mA < IBIAS < 100 mA
IMOD/IMMON
50
A/A
IBMON Compliance Voltage
0
1.3
V



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