DS1874T+ Maxim Integrated Products, DS1874T+ Datasheet - Page 58

• 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

SFP+ Controller with Digital LDD Interface
Table 02h, Register 88h: SAMPLE RATE
58
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88h
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
MEMORY TYPE
BITS 7:3
BITS 2:0
BIT 7
SEE
SEE
APC_SR[2:0]: 3-bit sample rate for comparison of APC control. Defines the sample rate for comparison
of APC control.
SEE
APC_SR[2:0]
00h
PW2 or (PW1 and RWTBL246) or (PW1 and RTBL246)
PW2 or (PW1 and RWTBL246)
Nonvolatile (SEE)
000b
001b
010b
011b
100b
101b
110b
111b
SEE
SEE
Sample Period (t
SEE
1200
1600
2000
2800
3200
4400
6400
800
REP
APC_SR
) (ns)
2
APC_SR
1
APC_SR
BIT 0
0