Rainbow Electronics DS1876 - Manual (Page 6)

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DS1876
SFP Controller with Dual LDD Interface
MOD_, APC_ ELECTRICAL CHARACTERISTICS
(V CC = +2.85V to +3.9V, T A = -40NC to +95NC, unless otherwise noted.)
ANALOG VOLTAGE MONITORING CHARACTERISTICS
(V CC = +2.85V to +3.9V, T A = -40NC to +95NC, unless otherwise noted.)
ANALOG QUICK-TRIP CHARACTERISTICS
(V CC = +2.85V to +3.9V, T A = -40NC to +95NC, unless otherwise noted.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Main Oscillator Frequency f OSC 5 MHz
Delta-Sigma Input-Clock
Frequency
f DS f OSC /2 MHz
Reference Voltage Input (REFIN) V REFIN Minimum 0.1FF to GND 2 V CC V
Output Range 0 V REFIN V
Output Resolution
See the Delta-Sigma Outputs section for
details
10 Bits
Output Impedance R DS 35 100
I
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
ADC Resolution 13 Bits
Input/Supply Accuracy
(BMON_, PMON_, V
CC )
ACC At factory setting 0.25 0.5 %FS
Update Rate for Temperature,
BMON_, PMON_, V
CC
t RR 64 78 ms
Input/Supply Offset
(BMON_, PMON_, V
CC )
V OS (Note 3) 0 5 LSB
Factory Setting (Note 4)
BMON_, PMON_ 2.5
V
V CC 6.5536
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
TXP HI, TXP LO Full-Scale
Voltage
2.507 V
HBIAS Full-Scale Voltage 1.25 V
PMON_ Input Resistance 35 50 65 k W
Resolution 8 Bits
Error T A = +25 °C ±2 %FS
Integral Nonlinearity -1 +1 LSB
Differential Nonlinearity -1 +1 LSB
Temperature Drift -2.5 +2.5 %FS
Offset -5 +10 mV