DS1873T+ Maxim Integrated Products, DS1873T+ Datasheet - Page 65
![no-image](/images/manufacturer_photos/0/4/417/maxim_integrated_products_sml.jpg)
DS1873T+
Manufacturer Part Number
DS1873T+
Description
IC CTLR SFP+ ANLG LDD 28-TQFN
Manufacturer
Maxim Integrated Products
Type
Laser Diode Controllerr
Datasheet
1.DS1873TTR.pdf
(86 pages)
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
- Current page: 65 of 86
- Download datasheet (2Mb)
Table 02h, Register A2h–A3h: V CC OFFSET
Table 02h, Register A4h–A5h: MON1 OFFSET
Table 02h, Register A6h–A7h: MON2 OFFSET
Table 02h, Register A8h–A9h: MON3 FINE OFFSET
Table 02h, Register AAh–ABh: MON4 OFFSET
Table 02h, Register ACh–ADh: MON3 COARSE OFFSET
Table 02h, Register AEh–AFh: INTERNAL TEMP OFFSET
A2h, A4h,
A6h, A8h,
A3h, A5h,
A7h, A9h,
AAh, ACh
ABh, ADh
AEh
AFh
SFP+ Controller with Analog LDD Interface
FACTORY CALIBRATED
READ ACCESS
WRITE ACCESS
MEMORY TYPE
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
MEMORY TYPE
Allows for offset control of these voltage measurements if desired. This number is two’s complement.
Allows for offset control of temperature measurement if desired. The final result must be XORed with BB40h
before writing to this register. Factory calibration contains the desired value for a reading in degrees Celsius.
BIT 7
BIT 7
______________________________________________________________________________________
2
2
S
S
9
1
2
2
2
S
8
0
8
00h
PW2 or (PW1 and RWTBL2) or (PW1 and RTBL2)
PW2 or (PW1 and RWTBL2)
Nonvolatile (SEE)
PW2 or (PW1 and RWTBL2) or (PW1 and RTBL2)
PW2 or (PW1 and RWTBL2)
Nonvolatile (SEE)
2
2
2
2
15
-1
7
7
2
2
2
2
14
-2
6
6
2
2
2
2
13
-3
5
5
2
2
2
2
12
-4
4
4
2
2
2
2
11
-5
3
3
BIT 0
BIT 0
2
2
2
2
10
-6
2
2
65
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