参数资料
型号: DS1878T+T&R
厂商: Maxim Integrated Products
文件页数: 58/101页
文件大小: 0K
描述: IC CTLR SFP W/DGTL LDD RX 28TQFN
标准包装: 2,500
类型: SFP+ 控制器
输入类型: 模拟,数字
输出类型: 数字
接口: I²C,LDD,串行
电流 - 电源: 2.5mA
安装类型: 表面贴装
封装/外壳: 28-WFQFN 裸露焊盘
供应商设备封装: 28-TQFN-EP(5x5)
包装: 带卷 (TR)
DS1878
SFP+ Controller with Digital LDD Interface
6
_______________________________________________________________________________________
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
ADC Resolution
13
Bits
Input/Supply Accuracy
(MON1–MON4, VCC)
ACC
At factory setting
0.25
0.5
%FS
Sample Rate for Temperature,
MON1–MON4, and VCC
tRR
64
75
ms
Input/Supply Offset
(MON1–MON4, VCC)
VOS
(Note 5)
0
5
LSB
MON1–MON4
2.5
VCC
6.5536
V
Factory Setting Full-Scale
(Note 6)
MON3 Fine
312.5
μV
ANALOG VOLTAGE MONITORING CHARACTERISTICS
(VCC = +2.85V to +5.5V, TA = -40°C to +95°C, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
MON2, TXP HI, TXP LO, HBIAS,
LOS Full-Scale Voltage
(Note 3)
1.25
V
MON2 Input Resistance
35
50
65
k
Resolution
(Note 3)
8
Bits
Error
TA = +25°C (Note 4)
±2
%FS
Integral Nonlinearity
-1
+1
LSB
Differential Nonlinearity
-1
+1
LSB
Temperature Drift
-2.5
+2.5
%FS
ANALOG INPUT CHARACTERISTICS (MON2, TXP HI, TXP LO, HBIAS, LOS)
(VCC = +2.85V to +5.5V, TA = -40°C to +95°C, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Main Oscillator Frequency
fOSC
5
MHz
Delta-Sigma Input-Clock
Frequency
fDS
1.25
MHz
Reference Voltage Input (REFIN)
VREFIN
Minimum 0.1μF to GND
2
VCC
V
Output Range
0
VREFIN
V
Output Resolution
See the Delta-Sigma Outputs (DAC1 and
DAC2) section for details
9
Bits
Output Impedance
RDS
35
100
DAC1, DAC2 ELECTRICAL CHARACTERISTICS
(VCC = +2.85V to +5.5V, TA = -40°C to +95°C, unless otherwise noted.)
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