DS1864T+ Maxim Integrated Products, DS1864T+ Datasheet - Page 51

IC LASER CTRLR 1CHAN 5.5V 28TQFN

DS1864T+

Manufacturer Part Number
DS1864T+
Description
IC LASER CTRLR 1CHAN 5.5V 28TQFN
Manufacturer
Maxim Integrated Products
Type
Laser Diode Controller (Fiber Optic)r
Datasheet

Specifications of DS1864T+

Number Of Channels
1
Voltage - Supply
2.97 V ~ 5.5 V
Current - Supply
3mA
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
Table 04h (Table 01h in DS1859 Configuration), 90h to 91h: Reserved Memory
Table 04h (Table 01h in DS1859 Configuration), 8Fh: Right-Shift Control
FACTORY DEFAULT:
MEMORY TYPE:
Table 04h (Table 01h in DS1859 Configuration), 92h to 93h: Gain Calibration For V
FACTORY DEFAULT:
MEMORY TYPE:
Table 04h (Table 01h in DS1859 Configuration), 94h to 95h: Gain Calibration For MON1
FACTORY DEFAULT:
MEMORY TYPE:
Table 04h (Table 01h in DS1859 Configuration), 96h to 97h: Gain Calibration For MON2
FACTORY DEFAULT:
MEMORY TYPE:
Control right shifts for the monitor channels.
Controls gain of the V
Controls gain of the MON1 measurements. Refer to the Temperature Monitor Offset Calibration section
Controls gain of the MON2 measurements.
90h to 91h
8Fh
92h
93h
94h
95h
96h
97h
RESERVED
bit6:4
bit3:0
bit7
bit7
bit7
bit7
bit7
2
2
2
2
2
2
15
15
15
7
7
7
CC
measurements.
Reserved
MON3
scaling the measurements to the smallest full-scale voltage and then right-shifting the result so the
reading is weighted to the correct lsb. This only applies to “Fine” conversions.
Reserved
MON3
30h
####h
####h
####h
Shadowed Memory (SEE)
2
Shadowed Memory (SEE)
2
2
Shadowed Memory (SEE)
Shadowed Memory (SEE)
2
2
2
2
14
14
14
6
6
6
-MON3
2
____________________________________________________________________
0
: Allows for right-shifting the final answer of MON3 voltage measurements. Allows for
MON3
2
2
2
2
2
2
13
13
13
5
5
5
1
MON3
SFP Laser Controller and
2
2
2
2
2
2
12
12
12
4
4
4
RESERVED
0
2
2
2
2
2
2
11
11
11
3
3
3
CC
2
2
2
2
2
2
Diagnostic IC
10
10
10
2
2
2
RESERVED
2
2
2
2
2
2
9
1
9
1
9
1
bit0
bit0
bit0
bit0
2
2
2
2
2
2
8
0
8
0
8
0
51

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