DS1874T+ Maxim Integrated Products, DS1874T+ Datasheet - Page 6

• 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
DAC1, DAC2 ELECTRICAL CHARACTERISTICS
(V
ANALOG QUICK-TRIP CHARACTERISTICS
(V
ANALOG VOLTAGE MONITORING CHARACTERISTICS
(V
6
Main Oscillator Frequency
Delta-Sigma Input-Clock
Frequency
Reference Voltage Input (REFIN)
Output Range
Output Resolution
Output Impedance
MON2, TXP HI, TXP LO Full-
Scale Voltage
HBIAS, LOS Full-Scale Voltage
MON2 Input Resistance
Resolution
Error
Integral Nonlinearity
Differential Nonlinearity
Temperature Drift
LOS Offset
ADC Resolution
Input/Supply Accuracy
(MON1–MON4, V
Update Rate for Temperature,
MON1–MON4, and V
Input/Supply Offset
(MON1–MON4, V
Factory Setting
CC
CC
CC
_______________________________________________________________________________________
= +2.85V to +3.9V, T
= +2.85V to +3.9V, T
= +2.85V to +3.9V, T
PARAMETER
PARAMETER
PARAMETER
CC
CC
MON1–MON4
V
MON3 Fine
CC
)
)
CC
A
A
A
= -40°C to +95°C, unless otherwise noted.)
= -40°C to +95°C, unless otherwise noted.)
= -40°C to +95°C, unless otherwise noted.)
SYMBOL
SYMBOL
SYMBOL
V
ACC
V
f
V
REFIN
R
t
OSC
f
RR
APC
DS
OS
DS
At factory setting
(Note 3)
(Note 4)
Minimum 0.1μF to GND
See the Delta-Sigma Outputs (DAC1 and
DAC2) section for details.
T
A
= +25°C
CONDITIONS
CONDITIONS
CONDITIONS
MIN
MIN
MIN
-2.5
35
-1
-1
2
0
6.5536
f
312.5
OSC
TYP
0.25
TYP
TYP
1.25
2.5
2.5
±2
13
64
35
50
-5
0
5
8
/2
V
MAX
MAX
MAX
+2.5
0.50
REFIN
V
100
+1
+1
65
75
CC
9
5
UNITS
UNITS
UNITS
MHz
MHz
%FS
%FS
%FS
Bits
Bits
LSB
LSB
Bits
LSB
mV
ms
k
μV
V
V
V
V
V