Datasheet

9Maxim Integrated
SFP Controller for Dual Rx Interface
DS1877
Typical Operating Characteristics
(V
CC
= +3.3V, T
A
= +25NC, unless otherwise noted.)
RSSI1/RSSI2 INL
DS1877 toc06
RSSI1/RSSI2 INPUT VOLTAGE (V)
RSSI1/RSSI2 INL (LSB)
2.01.51.00.5
-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
RSSI1/RSSI2 DNL
DS1877 toc05
RSSI1/RSSI2 INPUT VOLTAGE (V)
RSSI1/RSSI2 DNL (LSB)
2.01.51.00.5
-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/DAC2 INL
DS1877 toc04
DAC POSITION (DEC)
DAC1/DAC2 INL (LSB)
1000500
-2
-1
0
1
2
3
-3
0
DAC1/DAC2 DNL
DS1877 toc03
DAC POSITION (DEC)
DAC1/DAC2 DNL (LSB)
1000500
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1.0
-1.0
0
SUPPLY CURRENT vs. TEMPERATURE
DS1877 toc02
TEMPERATURE (°C)
SUPPLY CURRENT (mA)
603510-15
2.05
2.10
2.15
2.20
2.25
2.30
2.35
2.40
2.45
2.50
2.00
-40 85
DAC POSITIONS = 1FFh
SDA = SCL = V
CC
V
CC
= 3.3V
V
CC
= 3.9V
V
CC
= 2.85V
SUPPLY CURRENT vs. SUPPLY VOLTAGE
DS1877 toc01
V
CC
(V)
SUPPLY CURRENT (mA)
3.753.453.15
2.05
2.10
2.15
2.20
2.25
2.30
2.35
2.40
2.45
2.50
2.00
2.85
SDA = SCL = V
CC
DACs AT 1FFh
+95°C
+25°C
-40°C