DS1877T+ Maxim Integrated Products, DS1877T+ Datasheet - Page 9

• Manufacturer Part Number: DS1877T+
• Description: IC CTLR/MON SFP 1-2CH 28TQFN
• Manufacturer: Maxim Integrated Products
• Type: SFP+ Controllerr

Specifications of DS1877T+

• Input Type: Logic
• Output Type: Logic
• Interface: I²C
• Current - Supply: 2.5mA
• Mounting Type: Surface Mount
• Package / Case: 28-WFQFN exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 90-1877T+000

(V
CC
= +3.3V, T
A
2.50
2.45
2.40
2.35
2.30
2.25
2.20
2.15
2.10
2.05
2.00
-0.2
-0.4
-0.6
-0.8
-1.0
-0.2
-0.4
-0.6
-0.8
-1.0
1.0
0.8
0.6
0.4
0.2
1.0
0.8
0.6
0.4
0.2
= +25NC, unless otherwise noted.)
0
0
2.85
SUPPLY CURRENT vs. SUPPLY VOLTAGE
0
0
SDA = SCL = V
DACs AT 1FFh
USING FACTORY-PROGRAMMED
FULL-SCALE VALUE OF 2.5V
RSSI1/RSSI2 INPUT VOLTAGE (V)
0.5
3.15
RSSI1/RSSI2 DNL
DAC POSITION (DEC)
DAC1/DAC2 DNL
SFP Controller for Dual Rx Interface
CC
1.0
+25°C
V
CC
500
(V)
3.45
1.5
-40°C
+95°C
2.0
3.75
1000
2.5
Typical Operating Characteristics
2.50
2.45
2.40
2.35
2.30
2.25
2.20
2.15
2.10
2.05
2.00
-0.2
-0.4
-0.6
-0.8
-1.0
1.0
0.8
0.6
0.4
0.2
-1
-2
-3
0
3
2
1
0
-40
0
0
SUPPLY CURRENT vs. TEMPERATURE
DAC POSITIONS = 1FFh
SDA = SCL = V
USING FACTORY-PROGRAMMED
FULL-SCALE VALUE OF 2.5V
RSSI1/RSSI2 INPUT VOLTAGE (V)
-15
0.5
V
CC
V
= 3.9V
CC
DAC POSITION (DEC)
RSSI1/RSSI2 INL
TEMPERATURE (°C)
DAC1/DAC2 INL
CC
= 2.85V
1.0
10
500
V
1.5
35
CC
= 3.3V
2.0
60
1000
2.5
85
9