DS1863 Datasheet, PDF (3/62 Pages) Maxim Integrated Products – Burst-Mode PON Controller With Integrated Monitoring

Burst-Mode PON Controller
With Integrated Monitoring
ANALOG OUTPUT CHARACTERISTICS
(V_CC= +2.85V to +3.9V, T_A = -40°C to +95°C, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
BIAS Current
I_BIAS Shutdown Current
Voltage at I_BIAS
MOD Full-Scale Voltage
MOD Output Impedance
I_BIAS (Note 1)
I_BIAS:OFF
V_MOD
(Note 6)
(Note 7)
V_MOD Error
V_MOD Integral Nonlinearity
V_MOD Differential Nonlinearity
V_MOD Temperature Drift
T_A = +25°C (Note 8)
MIN
0.7
-1.25
-1
-1
-2
TYP MAX UNITS
1.2
mA
10
100
nA
1.2
1.4
V
1.25
V
3.14
kΩ
+1.25 %FS
+1
LSB
+1
LSB
+2
%FS
CONTROL LOOP AND QUICK-TRIP TIMING CHARACTERISTICS
(V_CC= +2.85V to +3.9V, T_A = -40°C to +95°C, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
First BMD Sample Following BEN
t_FIRST (Note 9)
Remaining Updates During BEN
t_REP (Note 9)
BEN High Time
t_BEN:HIGH
420
BEN Low Time
t_BEN:LOW
96
BIAS and MOD Turn-Off Delay
t_OFF
BIAS and MOD Turn-On Delay
t_ON
FETG Turn-On Delay
FETG Turn-Off Delay
t_FETG:ON
t_FETG:OFF
Binary Search Time
t_SEARCH (Note 10)
5
ADC Round-Robin Time
t_RR
TYP MAX UNITS
ns
ns
5
µs
5
µs
5
µs
5
µs
13
BIAS
Samples
65
ms
ANALOG VOLTAGE MONITORING
(V_CC = +2.85V to +3.9V, T_A = -40°C to +95°C, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
ADC Resolution
Input/Supply Accuracy
(MON1, MON2, MON3, V_CC)
ACC At factory setting
Update Rate for Temperature, MON1,
MON2, MON3, V_CC
t_FRAME:1
Input/Supply Offset
(MON1, MON2, MON3, V_CC)
Factory ^{MON1, MON2, MON3}
Setting _VCC
V_OS (Note 11)
Full scales are user programmable
MIN TYP MAX UNITS
13
Bits
0.25 0.5 %FS
52
70
ms
0
5
LSB
2.5
V
6.5536
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