User guide

DS1875
PON Triplexer and SFP Controller
8 _______________________________________________________________________________________
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Thermometer Error T
ERR
-40°C to +95°C ±3.0 °C
NONVOLATILE MEMORY CHARACTERISTICS
(V
CC
= +2.85V to +3.9V, T
A
= -40°C to +95°C, unless otherwise noted.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
At +85°C (Note 11) 50,000
EEPROM Write Cycles
At +25°C (Note 11) 200,000
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
ADC Resolution 13 Bits
Input/Supply Accuracy
(MON1–MON8, V
CC
)
ACC At factory setting 0.25 0.50 %FS
Update Rate for Temp,
MON1–MON4, and V
CC
t
FRAME:1
78 95 ms
Update Rate for MON5–MON8 t
FRAME:2
Bit EN5TO8B is enabled in Table 02h,
Register 89h
156 190 ms
Input/Supply Offset
(MON1–MON8, V
CC
)
V
OS
(Note 11) 0 5 LSB
MON1–MON8 2.5
V
CC
6.5536
V
Factory Setting
MON3 Fine
Full scales are user programmable
312.5 μV
DIGITAL THERMOMETER
(V
CC
= +2.85V to +3.9V, T
A
= -40°C to +95°C, unless otherwise noted.)
ANALOG VOLTAGE MONITORING
(V
CC
= +2.85V to +3.9V, T
A
= -40°C to +95°C, unless otherwise noted.)