ADN2873(RevB) Просмотр технического описания (PDF) - Analog Devices
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ADN2873 Datasheet PDF : 20 Pages
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Data Sheet
ADN2873
SPECIFICATIONS
VCC = 3.0 V to 3.6 V. All specifications TMIN to TMAX1, unless otherwise noted. Typical values are specified at 25°C.
Table 1.
Parameter
Min Typ
LASER BIAS CURRENT (IBIAS)
Output Current IBIAS
2
Compliance Voltage
1.2
IBIAS when ALS Is High
MODULATION CURRENT (IMODP, IMODN)2
Output Current IMOD
5
Compliance Voltage
1.5
IMOD when ALS Is High
Rise Time Single-Ended Output2, 3
60
Fall Time Single-Ended Output2, 3
60
Random Jitter Single-Ended Output2, 3
0.8
Deterministic Jitter Single-Ended Output3, 4
19
Pulse Width Distortion2, 3 Single-Ended Output
21
Rise Time Differential Output3, 5
47.1
Fall Time Differential Output3, 5
46
Random Jitter Differential Output3, 5
0.64
Deterministic Jitter Differential Output3, 6
12
Pulse Width Distortion Differential Output3, 5
2.1
Rise Time Differential Output3, 5
56
Fall Time Differential Output3, 5
55
Random Jitter Differential Output3, 5
0.61
Deterministic Jitter Differential Output3, 7
17
Pulse Width Distortion Differential Output3, 5
1.6
AVERAGE POWER SET (PAVSET)
Pin Capacitance
Voltage
1.1 1.2
Photodiode Monitor Current (Average Current)
50
EXTINCTION RATIO SET INPUT (ERSET)
Resistance Range
1.5
0.99 1
AVERAGE POWER REFERENCE VOLTAGE INPUT (PAVREF)
Voltage Range
0.07
Photodiode Monitor Current (Average Current)
70
EXTINCTION RATIO REFERENCE VOLTAGE INPUT (ERREF)
Voltage Range
0.05
ERREF Voltage to IMOD Gain
100
DATA INPUTS (DATAP, DATAN)8
Input Voltage Swing (Differential)
0.4
Input Impedance (Single-Ended)
50
LOGIC INPUTS (ALS)
VIH
2
VIL
ALARM OUTPUT (FAIL)9
VOFF
>1.8
VON
<1.3
Max Unit Test Conditions/Comments
100 mA
VCC
V
0.1 mA
90 mA
VCC
V
0.1 mA
5 mA < IMOD < 90 mA
104 ps
5 mA < IMOD < 90 mA
96 ps
5 mA < IMOD < 90 mA
1.1 ps (rms) 5 mA < IMOD < 90 mA
35 ps
20 mA < IMOD < 90 mA
30 ps
20 mA < IMOD < 90 mA
ps
5 mA < IMOD < 30 mA
ps
5 mA < IMOD < 30 mA
ps (rms) 5 mA < IMOD < 30 mA
ps
5 mA < IMOD < 30 mA
ps
5 mA < IMOD < 30 mA
ps
5 mA < IMOD < 90 mA
ps
5 mA < IMOD < 90 mA
ps (rms) 5 mA < IMOD < 90 mA
ps
5 mA < IMOD < 90 mA
ps
5 mA < IMOD < 90 mA
80 pF
1.3 V
1200 µA
Resistor setpoint mode
25 kΩ
1.01 kΩ
Resistor setpoint mode
Voltage setpoint mode
1
V
1000 µA
Voltage setpoint mode (RPAV fixed at 1 kΩ)
Voltage setpoint mode (RPAV fixed at 1 kΩ)
0.9 V
Voltage setpoint mode (RERSET fixed at 1 kΩ)
mA/V
2.4 V p-p AC-coupled
Ω
V
0.8 V
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. B | Page 3 of 20
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