Rainbow Electronics DS1874 - Manual (Page 9)

DS1874
SFP+ Controller with Digital LDD Interface
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Typical Operating Characteristics
(V CC = +2.85V to +3.9V, T A = +25°C, unless otherwise noted.)
SUPPLY CURRENT vs. SUPPLY VOLTAGE
DS1874 toc01
V CC (V)
SUPPLY CURRENT (mA)
3.85 3.60 3.10 3.35
1.7
1.9
2.1
2.3
2.7
2.5
2.9
1.5
2.85
SDA = SCL = V CC
+95 °C
-40 °C
+25 °C
SUPPLY CURRENT vs. TEMPERATURE
DS1874 toc02
TEMPERATURE ( °C)
SUPPLY CURRENT (mA)
80 60 40 20 0 -20
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.0
-40
SDA = SCL = V CC
V CC = 3.9V
V CC = 2.85V
V
CC
= 3.3V
MON1–MON4 INL
DS1874 toc03
MON1–MON4 INPUT VOLTAGE (V)
MON1–MON4 INL (LSB)
2.0 1.5 1.0 0.5
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1.0
-1.0
0 2.5
USING FACTORY-PROGRAMMED
FULL-SCALE VALUE OF 2.5V
MON1–MON4 DNL
DS1874 toc04
MON1–MON4 INPUT VOLTAGE (V)
MON1–MON4 DNL (LSB)
2.0 1.5 1.0 0.5
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1.0
-1.0
0 2.5
USING FACTORY-PROGRAMMED
FULL-SCALE VALUE OF 2.5V
DAC1 AND DAC2 DNL
DS1874 toc05
DAC1 AND DAC2 POSITION (DEC)
DAC1 AND DAC2 DNL (LSB)
500 400 300 200 100
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1.0
-1.0
0
DAC1 AND DAC2 INL
DS1874 toc06
DAC1 AND DAC2 POSITION (DEC)
DAC1 AND DAC2 INL (LSB)
500 400 100 200 300
-1.5
-1.0
-0.5
0
0.5
1.0
1.5
2.0
-2.0
0