DS1876T+ Maxim Integrated Products, DS1876T+ Datasheet - Page 62

• Manufacturer Part Number: DS1876T+
• Description: IC CTRLR SFP DUAL LDD 28TQFN
• Manufacturer: Maxim Integrated Products
• Type: SFP Laser Controllerr

Specifications of DS1876T+

• Input Type: Logic
• Output Type: Logic
• Interface: I²C
• Current - Supply: 10mA
• Mounting Type: Surface Mount
• Package / Case: 28-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

SFP Controller with Dual LDD Interface
Table 02h, Register CAh–CBh: APC2 DAC
Table 02h, Register CCh–CDh: MOD1 DAC
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CAh
CBh
CCh
CDh
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
A2h AND B2h MEMORY
MEMORY TYPE
The digital value used for APC2 DAC. It is the result of LUT6 plus APC2 OFFSET times 4 recalled from Table
06h (Registers F8h–FFh) at the adjusted memory address found in TINDEX. This register is updated at the end
of the temperature conversion.
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
A2h AND B2h MEMORY
MEMORY TYPE
The digital value used for MOD1 DAC. It is the result of LUT4 plus MOD1 OFFSET times 4 recalled from Table
04h (Registers F8h–FFh) at the adjusted memory address found in TINDEX. This register is updated at the end
of the temperature conversion.
BIT 7
BIT 7
2
2
0
0
7
7
2
2
0
0
6
6
0000h
PW2 or (PW1 and RWTBL2) or (PW1 and RTBL2)
(PW2 and APC2EN = 0) or (PW1 and RWTBL2 and APC2EN = 0)
Common A2h and B2h memory location
Volatile
0000h
PW2 or (PW1 and RWTBL2) or (PW1 and RTBL2)
(PW2 and MOD1EN = 0) or (PW1 and RWTBL2 and MOD1EN = 0)
Common A2h and B2h memory location
Volatile
2
2
0
0
5
5
MOD1 DAC = LUT4 + MOD1 OFFSET x 4
APC2 DAC = LUT6 + APC2 OFFSET x 4
V
V
MOD1
APC2
2
2
=
0
=
0
4
4
V
V
1024
1024
REFIN
REFIN
×
×
MOD1 DAC
APC2 DAC
2
2
0
0
3
3
2
2
0
0
2
2
2
2
2
2
9
1
9
1
BIT 0
BIT 0
2
2
2
2
8
0
8
0