DS1875 查看數據表（PDF） - Maxim Integrated
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DS1875 Datasheet PDF : 92 Pages
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PON Triplexer and SFP Controller
ANALOG VOLTAGE MONITORING
(VCC = +2.85V to +3.9V, TA = -40°C to +95°C, unless otherwise noted.)
PARAMETER
ADC Resolution
SYMBOL
CONDITIONS
Input/Supply Accuracy
(MON1–MON8, VCC)
Update Rate for Temp,
MON1–MON4, and VCC
ACC At factory setting
tFRAME:1
Update Rate for MON5–MON8
tFRAME:2
Bit EN5TO8B is enabled in Table 02h,
Register 89h
Input/Supply Offset
(MON1–MON8, VCC)
MON1–MON8
Factory Setting VCC
MON3 Fine
VOS (Note 11)
Full scales are user programmable
MIN TYP MAX UNITS
13
Bits
0.25 0.50 %FS
78
95
ms
156
190
ms
0
5
LSB
2.5
V
6.5536
312.5
μV
DIGITAL THERMOMETER
(VCC = +2.85V to +3.9V, TA = -40°C to +95°C, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
Thermometer Error
TERR -40°C to +95°C
MIN TYP MAX UNITS
±3.0
°C
NONVOLATILE MEMORY CHARACTERISTICS
(VCC = +2.85V to +3.9V, TA = -40°C to +95°C, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
EEPROM Write Cycles
At +85°C (Note 11)
At +25°C (Note 11)
MIN
50,000
200,000
TYP
MAX UNITS
8 _______________________________________________________________________________________
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