ADN2847ACP-48 Просмотр технического описания (PDF) - Analog Devices
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ADN2847ACP-48 Datasheet PDF : 12 Pages
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ADN2847–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.)
Parameter
Min
LASER BIAS (BIAS)
Output Current IBIAS
2
Compliance Voltage
1.2
IBIAS during ALS
ALS Response Time
CCBIAS Compliance Voltage
1.2
MODULATION CURRENT (IMODP, IMODN)2
Output Current IMOD
5
Compliance Voltage
1.5
IMOD during ALS
Rise Time (See Figure 4 for Typical Distribution)3
Fall Time (See Figure 5 for Typical Distribution)3
Random Jitter3
Pulsewidth Distortion3
MONITOR PD (MPD, MPD2)
Current
50
Compliance Voltage
POWER SET INPUT (PSET)
Capacitance
Monitor Photodiode Current into RPSET Resistor 50
Voltage
1.1
EXTINCTION RATIO SET INPUT (ERSET)
Allowable Resistance Range
1.2
Voltage
1.1
ALARM SET (ASET)
Allowable Resistance Range
1.2
Voltage
1.1
Hysteresis
CONTROL LOOP
Time Constant
DATA INPUTS (DATAP, DATAN, CLKP, CLKN)4
V p-p (Single-Ended, Peak-to-Peak)
100
Input Impedance (Single-Ended)
tSETUP5 (See Figure 1)
50
tHOLD5 (See Figure 1)
100
LOGIC INPUTS (ALS, LBWSET, CLKSEL)
VIH
2.4
VIL
ALARM OUTPUTS (Internal 30 kΩ Pull-Up)
VOH
2.4
VOL
IDTONE
Compliance Voltage
IOUT
I IN
Ratio
fIN6
0.01
IBMON, IMMON, IMPDMON, IMPDMON2
IBMON, IMMON Division Ratio
IMPDMON, IMPDMON2
IMPDMON to IMPDMON2 Matching
Compliance Voltage
0
Typ
Max
Unit
100
mA
VCC
V
0.1
mA
5
µs
VCC
V
80
mA
VCC
V
0.1
mA
80
120
ps
80
120
ps
1
1.5
ps
15
ps
1200
µA
1.65
V
80
pF
1200
µA
1.2
1.3
V
25
kΩ
1.2
1.3
V
25
kΩ
1.2
1.3
V
5
%
0.22
s
2.25
s
500
mV
50
Ω
ps
ps
V
0.8
V
V
0.8
V
VCC –1.5
2
1
V
MHz
100
A/A
1
A/A
2
%
VCC –1.2 V
Conditions/Comments
IBIAS < 10% of nominal
RMS
IMOD = 40 mA
Average Current
Average Current
Low Loop Bandwidth Selection
LBWSET = GND
LBWSET = VCC
Data and Clock Inputs Are
AC-Coupled
User to Supply Current Sink
in the Range of 50 µA to 4 mA
IMPD = 1200 µA
–2–
REV. 0
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