Datasheet

ADN2873
Rev. 0 | Page 3 of 20
SPECIFICATIONS
V
CC
= 3.0 V to 3.6 V. All specifications T
MIN
to T
MAX
1
, unless otherwise noted. Typical values are 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 V
CC
V
IBIAS when ALS Is High 0.1 mA
MODULATION CURRENT (IMODP, IMODN)
2
Output Current IMOD 5 90 mA
Compliance Voltage 1.5 V
CC
V
IMOD when ALS Is High 0.1 mA 5 mA < IMOD < 90 mA
Rise Time Single-Ended Output
2, 3
60 104 ps 5 mA < IMOD < 90 mA
Fall Time Single-Ended Output
2, 3
60 96 ps 5 mA < IMOD < 90 mA
Random Jitter Single-Ended Output
2, 3
0.8 1.1 ps (rms) 5 mA < IMOD < 90 mA
Deterministic Jitter Single-Ended Output
3, 4
19 35 ps 20 mA < IMOD < 90 mA
Pulse Width Distortion
2, 3
Single-Ended Output 21 30 ps 20 mA < IMOD < 90 mA
Rise Time Differential Output
3, 5
47.1 ps 5 mA < IMOD < 30 mA
Fall Time Differential Output
3, 5
46 ps 5 mA < IMOD < 30 mA
Random Jitter Differential Output
3, 5
0.64 ps (rms) 5 mA < IMOD < 30 mA
Deterministic Jitter Differential Output
3, 6
12 ps 5 mA < IMOD < 30 mA
Pulse Width Distortion Differential Output
3, 5
2.1 ps 5 mA < IMOD < 30 mA
Rise Time Differential Output
3, 5
56 ps 5 mA < IMOD < 90 mA
Fall Time Differential Output
3, 5
55 ps 5 mA < IMOD < 90 mA
Random Jitter Differential Output
3, 5
0.61 ps (rms) 5 mA < IMOD < 90 mA
Deterministic Jitter Differential Output
3, 7
17 ps 5 mA < IMOD < 90 mA
Pulse Width Distortion Differential Output
3, 5
1.6 ps 5 mA < IMOD < 90 mA
AVERAGE POWER SET (PAVSET)
Pin Capacitance 80 pF
Voltage 1.1 1.2 1.3 V
Photodiode Monitor Current (Average Current) 50 1200 μA Resistor setpoint mode
EXTINCTION RATIO SET INPUT (ERSET)
Resistance Range 1.5 25 kΩ Resistor setpoint mode
0.99 1 1.01 kΩ Voltage setpoint mode
AVERAGE POWER REFERENCE VOLTAGE INPUT (PAVREF)
Voltage Range 0.07 1 V Voltage setpoint mode (RPAV fixed at 1 kΩ)
Photodiode Monitor Current (Average Current) 70 1000 μA Voltage setpoint mode (RPAV fixed at 1 kΩ)
EXTINCTION RATIO REFERENCE VOLTAGE INPUT (ERREF)
Voltage Range 0.05 0.9 V Voltage setpoint mode (RERSET fixed at 1 kΩ)
ERREF Voltage to IMOD Gain 100 mA/V
DATA INPUTS (DATAP, DATAN)
8
Input Voltage Swing (Differential) 0.4 2.4 V p-p AC-coupled
Input Impedance (Single-Ended) 50 Ω
LOGIC INPUTS (ALS)
V
IH
2 V
V
IL
0.8 V
ALARM OUTPUT (FAIL)
9
V
OFF
>1.8 V
Voltage required at FAIL for IBIAS and
IMOD to turn off when FAIL asserted
V
ON
<1.3 V
Voltage required at FAIL for IBIAS and
IMOD to stay on when FAIL asserted