DS1873T+ Maxim Integrated Products, DS1873T+ Datasheet - Page 9

• Manufacturer Part Number: DS1873T+
• Description: IC CTLR SFP+ ANLG LDD 28-TQFN
• Manufacturer: Maxim Integrated Products
• Type: Laser Diode Controllerr

Specifications of DS1873T+

• Number Of Channels: 1
• Voltage - Supply: 2.85 V ~ 3.9 V
• Current - Supply: 2.5mA
• Operating Temperature: -40°C ~ 95°C
• Package / Case: 28-WFQFN Exposed Pad
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 90-1873T+000

(V
CC
2.8
2.7
2.6
2.5
2.4
2.3
2.2
2.1
-1
-2
-3
= +2.85V to +3.9V, T
3
2
1
0
2.85
SUPPLY CURRENT vs. SUPPLY VOLTAGE
0
SDA = SCL = V
DAC1 AND DAC2 POSITION (DEC)
200
SFP+ Controller with Analog LDD Interface
DAC1 AND DAC2 INL
3.15
CC
+95°C
-40°C
400
_______________________________________________________________________________________
V
CC
(V)
3.45
600
A
= +25°C, unless otherwise noted.)
+25°C
1.0193ms
800
DAC SETTLING TIME
3.75
(40% TO 60%)
TIME (μs)
1000
67.7% OF PEAK
-0.2
-0.4
-0.6
-0.8
-1.0
2.8
2.7
2.6
2.5
2.4
2.3
2.2
2.1
1.0
0.8
0.6
0.4
0.2
0
-40
DS1873 toc07
0
SUPPLY CURRENT vs. TEMPERATURE
SDA = SCL = V
USING FACTORY PROGRAMMED
FULL-SCALE VALUE OF 2.5V
V
MON1 TO MON4 INPUT VOLTAGE (V)
CC
-15
0.5
= 3.9V
MON1 TO MON4 INL
TEMPERATURE (°C)
CC
1.0
10
Typical Operating Characteristics
1.5
35
V
CC
= 2.8V
V
CC
2.0
60
= 3.3V
2.5
85
990.4μs
DAC SETTLING TIME
(60% TO 40%)
TIME (μs)
-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
0
0
33.3% OF LOW
0
0
USING FACTORY PROGRAMMED
FULL-SCALE VALUE OF 2.5V
MON1 TO MON4 INPUT VOLTAGE (V)
200
DAC1 AND DAC2 POSITION (DEC)
0.5
DAC1 AND DAC2 DNL
MON1 TO MON4 DNL
DS1873 toc08
400
1.0
600
1.5
800
2.0
1000
2.5
9