参数资料
型号: DS1874T+
厂商: Maxim Integrated
文件页数: 6/88页
文件大小: 0K
描述: IC CTLR SFP+ ANLG LDD 28-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 60
类型: 激光二极管控制器
通道数: 1
电源电压: 2.85 V ~ 3.9 V
电流 - 电源: 2.5mA
工作温度: -40°C ~ 95°C
封装/外壳: 28-WFQFN 裸露焊盘
供应商设备封装: 28-TQFN-EP(5x5)
包装: 管件
安装类型: 表面贴装
其它名称: 90-1874T+000

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