DS1864 Maxim Integrated Products, DS1864 Datasheet - Page 12

• Manufacturer Part Number: DS1864
• Description: SFP Laser Controller and Diagnostic IC
• Manufacturer: Maxim Integrated Products

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SFP Laser Controller and
Diagnostic IC
(V
12
CC
-0.5
-1.0
-1.5
-2.0
-2.5
-3.0
1.00
0.80
0.60
0.40
0.20
3.0
2.5
2.0
1.5
1.0
0.5
2.0
1.6
1.2
0.8
0.4
= +3.3V, T
0
0
0
vs. FUNCTION OF THE VOLTAGE ON THE DAC
____________________________________________________________________
3.0
0.7
0
DAC 1 CURRENT vs. SUPPLY VOLTAGE
DAC 1, 0.5mA
DAC 1, 1.5mA
25 50 75 100 125 150 175 200 225 250
1.2
3.5
MONITOR FAST-TRIP
A
SUPPLY VOLTAGE (V)
= 25°C, unless otherwise noted.)
DAC 1 CURRENT
DAC 1 VOLTAGE (V)
SETTING (DEC)
1.7
4.0
INL (LSB)
PROGRAMMED DAC
SETTING (FFh)
PROGRAMMED DAC
SETTING (FFh)
2.2
4.5
2.7
5.0
3.2
5.5
Typical Operating Characteristics (continued)
-0.5
-1.0
-1.5
-2.0
-2.5
-3.0
1.00
0.80
0.60
0.40
0.20
2.00
1.50
1.00
0.50
3.0
2.5
2.0
1.5
1.0
0.5
0
0
0
vs. FUNCTION OF THE VOLTAGE ON THE DAC
vs. FUNCTION OF THE VOLTAGE ON THE DAC
0.7
0.7
0
DAC 1, 1.5mA
DAC 0, 0.5mA
25 50 75 100 125 150 175 200 225 250
1.2
1.2
MONITOR FAST-TRIP
DAC 1 CURRENT
DAC 0 CURRENT
DAC 0 VOLTAGE (V)
DAC 1 VOLTAGE (V)
SETTING (DEC)
1.7
1.7
DNL (LSB)
PROGRAMMED DAC
SETTING (FFh)
PROGRAMMED DAC
SETTING (FFh)
2.2
2.2
2.7
2.7
3.2
3.2
1.00
0.80
0.60
0.40
0.20
0.00
2.0
1.5
1.0
0.5
-1
-2
-3
-4
-5
-6
0
vs. FUNCTION OF THE VOLTAGE ON THE DAC
6
5
4
3
2
1
0
0.7
-40
0
DAC 0, 1.5mA
LSB ERROR vs. FULL-SCALE INPUT
10 20 30 40 50 60 70 80 90 100
DAC CURRENT AT SETTING 7Fh
-20
DACS 0 AND 1 IN 1.5mA MODE
1.2
DACS 0 AND 1 IN 0.5mA MODE
NORMALIZED FULL-SCALE (%)
vs. TEMPERATURE
0
DAC 0 CURRENT
DAC 0 VOLTAGE (V)
TEMPERATURE (°C)
1.7
PROGRAMMED DAC
SETTING (FFh)
20
2.2
40
60
2.7
80
3.2
100