参数资料
型号: DS1875T+
厂商: Maxim Integrated Products
文件页数: 67/92页
文件大小: 0K
描述: IC SFP CTRLR/TRIPLEXER 38-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 90
应用: 光纤
接口: I²C
电源电压: 2.85 V ~ 3.9 V
封装/外壳: 38-WFQFN 裸露焊盘
供应商设备封装: 38-TQFN(5x7)
包装: 管件
安装类型: 表面贴装
产品目录页面: 1431 (CN2011-ZH PDF)
DS1875
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
PWM-DAC Full-Scale Voltage
VPWM-DAC
1.25
V
PWM-DAC Resolution
8
Bits
VPWM-DAC Full-Scale Voltage
Error
TA = +25°C
1.25
%
VPWM-DAC Integral Nonlinearity
-1
1
LSB
VPWM-DAC Differential
Nonlinearity
-1
1
LSB
VPWM-DAC Temperature Drift
-2
+2
%FS
SW Output Impedance
20
SW Frequency Error
fSWER
(Note 9)
-5
+7
%
SW Duty Cycle
DMAX
89
90
91
%
Error-Amplifier Source Current
-10
μA
Error-Amplifier Sink Current
+10
μA
COMP High-Voltage Clamp
2.1
V
COMP Low-Voltage Clamp
0.8
V
Error-Amplifier
Transconductance
GM
425
μS
Error-Amplifier Output
Impedance
REA
260
M
FB Pin Capacitance
5
pF
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
First BMD Sample Following BEN
tFIRST
(Note 10)
Remaining Updates During BEN
tUPDATE
(Note 10)
BEN High Time
tBEN:HIGH
400
ns
BEN Low Time
tBEN:LOW
96
ns
Output-Enable Time Following POA
tINIT
10
ms
BIAS and MOD Turn-Off Delay
tOFF
5
μs
BIAS and MOD Turn-On Delay
tON
5
μs
FETG Turn-On Delay
tFETG:ON
5
μs
FETG Turn-Off Delay
tFETG:OFF
5
μs
TIMING CHARACTERISTICS (CONTROL LOOP AND QUICK TRIP)
(VCC = +2.85V to +3.9V, TA = -40°C to +95°C, unless otherwise noted.)
PWM CHARACTERISTICS
(VCC = +2.85V to +3.9V, TA = -40°C to +95°C, unless otherwise noted.)
PON Triplexer and SFP Controller
_______________________________________________________________________________________
7
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