DS1873T+ Maxim Integrated Products, DS1873T+ Datasheet - Page 7

• Manufacturer Part Number: DS1873T+
• Description: IC CTLR SFP+ ANLG LDD 28-TQFN
• Manufacturer: Maxim Integrated Products
• Type: Laser Diode Controllerr

Specifications of DS1873T+

• 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
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 90-1873T+000

DIGITAL THERMOMETER CHARACTERISTICS
(V
AC ELECTRICAL CHARACTERISTICS
(V
TIMING CHARACTERISTICS (CONTROL LOOP AND QUICK TRIP)
(V
Output-Enable Time Following POA
Binary Search Time
Thermometer Error
TXD Enable
Recovery from TXD Disable
(Figure 13)
Recovery After Power-Up
Fault Reset Time (to TXF = 0)
Fault Assert Time (to TXF = 1)
LOSOUT Assert Time
LOSOUT Deassert Time
CC
CC
CC
= +2.85V to +3.9V, T
= +2.85V to +3.9V, T
= +2.85V to +3.9V, T
PARAMETER
PARAMETER
PARAMETER
SFP+ Controller with Analog LDD Interface
_______________________________________________________________________________________
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.)
t
SYMBOL
SYMBOL
SYMBOL
t
t
LOSS_OFF
t
LOSS_ON
INIT_DAC
SEARCH
t
t
t
T
INITR1
INITR2
FAULT
t
t
t
INIT
OFF
ERR
ON
(Note 5)
(Note 9)
-40°C to +95°C
From
disable
From
enable
From
From
From
After HTXP, LTXP, HBATH, IBIASMAX
(Note 6)
LLOS (Notes 6, 7)
HLOS (Notes 6, 8)
V
V
TXD to BIAS DAC and MOD DAC
TXD to BIAS DAC and MOD DAC
TXD
CC
CC
> VCC LO alarm (Note 5)
> VCC LO alarm (Note 5)
CONDITIONS
CONDITIONS
CONDITIONS
MIN
MIN
MIN
-3
8
TYP
TYP
TYP
131
161
20
20
MAX
MAX
MAX
+3
10
15
15
15
5
5
Samples
UNITS
UNITS
UNITS
BIAS
ms
ms
ms
°C
μs
μs
μs
μs
μs
7