DS1875T+ Maxim Integrated Products, DS1875T+ Datasheet - Page 11

• Manufacturer Part Number: DS1875T+
• Description: IC SFP CTRLR/TRIPLEXER 38-TQFN
• Manufacturer: Maxim Integrated Products

Specifications of DS1875T+

• Applications: Fiber Optics
• Interface: I²C
• Voltage - Supply: 2.85 V ~ 3.9 V
• Package / Case: *
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

(V
CC
1.260
1.255
1.250
1.245
1.240
-0.2
-0.4
-0.6
-0.8
-1.0
100
1.0
0.8
0.6
0.4
0.2
90
80
70
60
50
40
30
20
10
= +2.85V to +3.9V, T
0
0
-40
0
CALCULATED AND DESIRED % CHANGE
000
USING FACTORY-PROGRAMMED
FULL-SCALE VALUE OF 2.5V
FB VOLTAGE vs. TEMPERATURE
-20
MON1 TO MON8 INPUT VOLTAGE (V)
IN V
001
0.5
MOD RANGING VALUE (DEC)
MON1 TO MON8 DNL
MOD
002 003
0
PWM DAC = FFh
TEMPERATURE (°C)
1.0
vs. MOD RANGING
______________________________________________________________________________________
20
DESIRED
VALUE
004 005
CALCULATED
A
40
1.5
VALUE
= +25°C, unless otherwise noted.)
60
2.0
006
80
007
2.5
PON Triplexer and SFP Controller
77.0
76.8
76.6
76.4
76.2
76.0
75.8
75.6
75.4
75.2
75.0
Typical Operating Characteristics (continued)
-0.2
-0.4
-0.6
-0.8
-1.0
100
1.0
0.8
0.6
0.4
0.2
90
80
70
60
50
40
30
20
10
0
0
2.85
0
000
DESIRED AND CALCULATED CHANGE
IN V
001
50
V
BMD
BMD
COMP RANGING (DEC)
010 011
APC INDEX (DEC)
V
INL vs. APC INDEX
100
vs. COMP RANGING
V
OUT
IN
V
3.35
DESIRED
CC
VALUE
= 3.3V
vs. V
(V)
CALCULATED
100 101
150
VALUE
CC
200
110
111
3.85
250
91.00
90.75
90.50
90.25
90.00
89.75
89.50
89.25
89.00
-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
0
0
-40
0
0
DUTY-CYCLE LIMIT vs. TEMPERATURE
USING FACTORY-PROGRAMMED
FULL-SCALE VALUE OF 2.5V
SW FREQUENCY
525kHz
262.5kHz
131.25kHZ
1050kHz
MON1 TO MON8 INPUT VOLTAGE (V)
-20
0.5
50
V
MOD
MON1 TO MON8 INL
0
TEMPERATURE (°C)
MOD INDEX (DEC)
INL vs. MOD INDEX
100
1.0
20
150
1.5
40
60
200
2.0
80
250
2.5
11