ADN2870(RevA) Просмотр технического описания (PDF) - Analog Devices
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ADN2870 Datasheet PDF : 20 Pages
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ADN2870
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
LASER BIAS CURRENT (IBIAS)
Output Current IBIAS
Compliance Voltage
IBIAS when ALS High
CCBIAS Compliance Voltage
MODULATION CURRENT (IMODP, IMODN)2
Output Current IMOD
Compliance Voltage
IMOD when ALS High
Rise Time2, 3
Fall Time2, 3
Random Jitter2, 3
Deterministic Jitter2, 3
Pulse Width Distortion2, 3
AVERAGE POWER SET (PAVSET)
Pin Capacitance
Voltage
Photodiode Monitor Current (Average Current)
EXTINCTION RATIO SET INPUT (ERSET)
Resistance Range
Voltage
AVERAGE POWER REFERENCE VOLTAGE INPUT (PAVREF)
Voltage Range
Photodiode Monitor Current (Average Current)
EXTINCTION RATIO REFERENCE VOLTAGE INPUT (ERREF)
Voltage Range
DATA INPUTS (DATAP, DATAN)4
V p-p (Differential)
Input Impedance (Single-Ended)
LOGIC INPUTS (ALS)
VIH
VIL
ALARM OUTPUT (FAIL)5
VOFF
VON
IBMON, IMMON DIVISION RATIO
IBIAS/IBMON3
IBIAS/IBMON3
IBIAS/IBMON STABILITY3, 6
IMOD/IMMON
IBMON Compliance Voltage
Min Typ Max Unit Conditions/Comments
2
100 mA
1.2
VCC
V
0.2 mA
1.2
V
5
90 mA
1.5
VCC
V
0.05 mA
60 104 ps
60 96 ps
0.8 1.1 ps rms
35 ps 20 mA < IMOD < 90 mA
30 ps 20 mA < IMOD < 90 mA
1.1 1.2
50
80 pF
1.35 V
1200 μA
Resistor setpoint mode
1.2
1.1 1.2
25 kΩ
1.35 V
Resistor setpoint mode
Resistor setpoint mode
0.12
1
V
Voltage setpoint mode
(RPAV fixed at 1 kΩ)
120
1000 μA Voltage setpoint mode
(RPAV fixed at 1 kΩ)
0.1
1
V
Voltage setpoint mode
(RERSET fixed at 1 kΩ)
0.4
2.4 V
50
Ω
ac-coupled
2
V
0.8 V
>1.8
V
Voltage required at FAIL for IBIAS and
IMOD to turn off when FAIL asserted
<1.3
V
Voltage required at FAIL for IBIAS and
IMOD to stay on when FAIL asserted
85 100 115 A/A 11 mA < IBIAS < 50 mA
92 100 108 A/A 50 mA < IBIAS < 100 mA
±5
%
10 mA < IBIAS < 100 mA
50
A/A
0
1.3 V
Rev. A | Page 3 of 20
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