ADN2870 查看數據表（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,1 unless otherwise noted. Typical values as specified at 25°C.
Table 1.
Parameter
LASER BIAS CURRENT (IBIAS)
Output Current IBIAS
Compliance Voltage
IBIAS when ALS is High
CCBIAS Compliance Voltage
MODULATION CURRENT (IMODP, IMODN)2
Output Current IMOD
Compliance Voltage
IMOD when ALS is 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
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
80
pF
1.1
1.2
1.35 V
50
1200 µA
Resistor setpoint mode
1.2
25
kΩ
Resistor setpoint mode
1.1
1.2
1.35 V
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
< 1.3
V
Voltage required at FAIL for Ibias and
Imod to turn off when FAIL asserted
V
Voltage required at FAIL for Ibias and
Imod to stay on when FAIL asserted
Rev. 0 | Page 3 of 20
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