DS1874T+ Maxim Integrated Products, DS1874T+ Datasheet - Page 11

• 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
MON3N
MON3P
MON1
MON2
MON4
RSEL
SDA
SCL
TXD
LOS
V
V
IN1
CC
CC
______________________________________________________________________________________
INTERFACE
TEMPERATURE
V
I
2
CC
SENSOR
C
256 BYTES
EEPROM
AT A0h
FIGURE 13
SEE
POWER-ON
INTERRUPT
ANALOG
SYSTEM STATUS/CONTROL BITS,
ADC CONFIGURATION/RESULTS,
13-BIT
8-BIT
ADC
QTs
ALARMS/WARNINGS,
LOOKUP TABLES,
MAIN MEMORY
EEPROM/SRAM
USER MEMORY
FIGURE 12
SEE
DS1874
INTEGRATOR
APC
V
CC
DELTA-SIGMA
DELTA-SIGMA
INTERFACE
3-WIRE
9-BIT
9-BIT
Block Diagram
REFIN
DAC1
DAC2
SDAOUT
SCLOUT
CSELOUT
TXF
TXDOUT
RSELOUT
OUT1
LOSOUT
GND
11