DS1875T+ Maxim Integrated Products, DS1875T+ Datasheet - Page 7

• Manufacturer Part Number: DS1875T+
• Description: IC SFP CTRLR/TRIPLEXER 38-TQFN
• Manufacturer: Maxim Integrated Products

Specifications of DS1875T+

• Applications: Fiber Optics
• Interface: I²C
• Voltage - Supply: 2.85 V ~ 3.9 V
• Package / Case: *
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PWM CHARACTERISTICS
(V
TIMING CHARACTERISTICS (CONTROL LOOP AND QUICK TRIP)
(V
First BMD Sample Following BEN
Remaining Updates During BEN
BEN High Time
BEN Low Time
Output-Enable Time Following POA
BIAS and MOD Turn-Off Delay
BIAS and MOD Turn-On Delay
FETG Turn-On Delay
FETG Turn-Off Delay
PWM-DAC Full-Scale Voltage
PWM-DAC Resolution
V
Error
V
V
Nonlinearity
V
SW Output Impedance
SW Frequency Error
SW Duty Cycle
Error-Amplifier Source Current
Error-Amplifier Sink Current
COMP High-Voltage Clamp
COMP Low-Voltage Clamp
Error-Amplifier
Transconductance
Error-Amplifier Output
Impedance
FB Pin Capacitance
CC
CC
PWM-DAC
PWM-DAC
PWM-DAC
PWM-DAC
= +2.85V to +3.9V, T
= +2.85V to +3.9V, T
PARAMETER
PARAMETER
Full-Scale Voltage
Integral Nonlinearity
Differential
Temperature Drift
_______________________________________________________________________________________
A
A
= -40°C to +95°C, unless otherwise noted.)
= -40°C to +95°C, unless otherwise noted.)
V
t
SYMBOL
t
SYMBOL
t
t
BEN:HIGH
FETG:OFF
t
BEN:LOW
FETG:ON
PWM-DAC
UPDATE
f
t
D
FIRST
SWER
t
t
R
t
G
PON Triplexer and SFP Controller
INIT
OFF
MAX
ON
EA
M
(Note 10)
(Note 10)
T
(Note 9)
A
= +25°C
CONDITIONS
CONDITIONS
MIN
MIN
400
96
10
89
-1
-1
-2
-5
TYP
1.25
1.25
TYP
+10
425
260
-10
2.1
0.8
90
5
MAX
MAX
+2
+7
20
91
5
5
5
5
8
1
1
UNITS
UNITS
%FS
Bits
LSB
LSB
M
ms
μA
μA
μS
pF
ns
ns
μs
μs
μs
μs
%
%
%
V
V
V
7