Rainbow Electronics DS1862 - Manual (Page 4)

DS1862
XFP Laser Control and Digital Diagnostic IC
4 _____________________________________________________________________
I 2 C AC ELECTRICAL CHARACTERISTICS
(V CC3 = +2.9V to +5.5V, T A = -40°C to +100°C, unless otherwise noted.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
SCL Clock Frequency f SCI 0 400 kHz
Clock Pulse-Width Low t LOW 1.3 µs
Clock Pulse-Width High t HIGH 0.6 µs
Bus Free Time between STOP
and START Conditions
t BUF 1.3 µs
Start Hold Time t HD:SDA 0.6 µs
Start Setup Time t SU:SDA 0.6 µs
Data in Hold Time t HD:DAT 0 0.9 µs
Data in Setup Time t SU:DAT 100 ns
Rise Time of Both SDA and
SCL Signals
t R (Note 5)
20 +
0.1C B
300 ns
Fall Time of Both SDA and
SCL signals
t F (Note 5)
20 +
0.1C B
300 ns
STOP Setup Time t SU:STO 0.6 µs
MOD-SEL Setup Time t H os t_sel e ct_set up 2 ms
MOD-SEL Hold Time t Host_select_hold 10 µs
Aborted Sequence Bus Release t MOD-DE SEL_Ab ort 2 ms
C ap aci ti ve Load for E ach Bus Li ne C B (Note 5) 400 pF
EEPROM Write Time t W
≤ 4-Byte write (Note 6) 16 ms
ANALOG OUTPUT CHARACTERISTICS
(V CC3 = +2.9V to +5.5V, V CC2 = +1.6V to +3.6V, T A = -40°C to +100°C, unless otherwise noted.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
I BIASSET I BIASSET 0.01 1.50 mA
I BIASSET (Off-State Current) I BIASSET Shutdown ±10 ±100 nA
I
MODSET
I
MODSET
0.01 1.20 mA
I MODSET (Off-State Current) I MODSET Shutdown ±10 ±100 nA
Voltage on I BIASSET and I MODSET V MAX (Note 7) 0.7 3.0 V
V THRSET V THRSET I MAX = 100µA 50 1000 mV
V THRSET Drift Across temperature (Note 8) -5 +5 %
V THRSET Capacitance load C THRSET 1 nF
APC Calibration Accuracy +25°C 25 µA
0.200mA to 1.5mA -5 +5 %
APC Temp Drift
50µA to 200µA 12 µA
Sink, SRC_SNK_B = 0 -0.9 +0.9
I BMD DNL
Source, SRC_SNK_B = 1 -0.9 +0.9
LSB
Sink, SRC_SNK_B = 0 -4.0 +4.0
I
BMD
INL
Source, SRC_SNK_B = 1 -4.0 +4.0
LSB
I BMD Voltage Drift 1.2 %/V
I BMD FS Accuracy 1.5 %