DS1874T+ Maxim Integrated Products, DS1874T+ Datasheet - Page 63

• Manufacturer Part Number: DS1874T+
• Description: IC CTLR SFP+ ANLG LDD 28-TQFN
• Manufacturer: Maxim Integrated Products
• Type: Laser Diode Controllerr

Specifications of DS1874T+

• 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
• Number Of Outputs: 5
• Duty Cycle (max): 50 %
• Output Voltage: 0 V to 3.9 V
• Mounting Style: SMD/SMT
• Switching Frequency: 0 KHz to 400 KHz
• Operating Supply Voltage: 2.85 V to 3.9 V
• Supply Current: 2.5 mA to 10 mA
• Maximum Operating Temperature: + 95 C
• Fall Time: 300 ns
• Minimum Operating Temperature: - 40 C
• Rise Time: 300 ns
• Synchronous Pin: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 90-1874T+000

Table 02h, Register 90h–91h: RESERVED
Table 02h, Register 92h–93h: V CC SCALE
Table 02h, Register 94h–95h: MON1 SCALE
Table 02h, Register 96h–97h: MON2 SCALE
Table 02h, Register 98h–99h: MON3 FINE SCALE
Table 02h, Register 9Ah–9Bh: MON4 SCALE
Table 02h, Register 9Ch–9Dh: MON3 COARSE SCALE
Table 02h, Register 9Eh–A1h: RESERVED
92h, 94h,
96h, 98h,
9Ah, 9Ch
93h, 95h,
97h, 99h,
9Bh, 9Dh
SFP+ Controller with Digital LDD Interface
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
MEMORY TYPE
These registers are reserved.
FACTORY CALIBRATED
READ ACCESS
WRITE ACCESS
MEMORY TYPE
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
MEMORY TYPE
These registers are reserved.
Controls the scaling or gain of the FS voltage measurements. The factory-calibrated value produces an FS
voltage of 6.5536V for V
BIT 7
______________________________________________________________________________________
2
2
15
7
2
2
14
6
CC
; 2.5V for MON1, MON2, MON4; and 0.3125V for MON3 fine.
N/A
PW2 or (PW1 and RWTBL246) or (PW1 and RTBL246)
PW2 or (PW1 and RWTBL246)
Nonvolatile (SEE)
0000h
PW2 or (PW1 and RWTBL246) or (PW1 and RTBL246)
PW2 or (PW1 and RWTBL246)
Nonvolatile (SEE)
00h
PW2 or (PW1 and RWTBL246) or (PW1 and RTBL246)
PW2 or (PW1 and RWTBL246)
Nonvolatile (SEE)
2
2
13
5
2
2
12
4
2
2
11
3
2
2
10
2
2
2
9
1
BIT 0
2
2
8
0
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