参数资料
型号: DS1878T+
厂商: Maxim Integrated Products
文件页数: 19/101页
文件大小: 0K
描述: IC CTLR SFP W/DGTL LDD RX 28TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 60
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: 托盘
DS1878
SFP+ Controller with Digital LDD Interface
24
______________________________________________________________________________________
DETECTION OF TXF FAULT
TXD OR TXF RESET
tINITR1/2
TXFOUT
(ONLY ALARM FAULTS PRESENT)
TXFOUT
(QT ALARMS PRESENT)
Figure 17b. TXFOUT Latched Operation and TXD_TXFEN = 1
DETECTION OF TXF FAULT
TXFOUT
Figure 17a. TXFOUT Nonlatched Operation
By default, TXD does not impact TXFOUT (TXD_TXFEN =
0). This is shown in the Figure 17c. When TXD_TXFEN
= 1, TXD affects TXFOUT. The particular behavior is
described in Figure 17a and 17b.
VCCTXF is a new control bit is required to enable/dis-
able VCC LO alarm/warning before the first VCC con-
version is complete. If VCCTXF = 1, VCC LO
alarm/warning does not generate TXFOUT before the
first VCC conversion (which takes approximately 13ms
to complete). When VCCTXF = 0, VCC LO alarm/warn-
ing generates TXFOUT before the first VCC conversion,
which is illustrated in Figure 17c and Figure 17d.
Two conditions are shown. In the first instance, VCC
powers on quickly and goes above the VCC LO thresh-
old before the first conversion is complete (approxi-
mately 13ms).
In the other instance, VCC would power up and go
above the VCC LO threshold after the first conversion is
complete. In this case TXFOUT behaves as in
Figure 17d.
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相关代理商/技术参数
参数描述
DS1878T TR 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:SFP+ Controller with Digital LDD Interface
DS1878T+ 功能描述:ADC / DAC多通道 SFP+ Controller w/ MAX3946&3945 RoHS:否 制造商:Texas Instruments 转换速率: 分辨率:8 bit 接口类型:SPI 电压参考: 电源电压-最大:3.6 V 电源电压-最小:2 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-40
DS1878T+T 功能描述:ADC / DAC多通道 SFP+ Controller w/ MAX3946&3945 RoHS:否 制造商:Texas Instruments 转换速率: 分辨率:8 bit 接口类型:SPI 电压参考: 电源电压-最大:3.6 V 电源电压-最小:2 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-40
DS1878T+T&R 制造商:Maxim Integrated Products 功能描述:IC CTLR SFP W/DGTL LDD RX 28TQFN
DS1878T+T&R 功能描述:ADC / DAC多通道 SFP+ Controller w/ MAX3946&3945 RoHS:否 制造商:Texas Instruments 转换速率: 分辨率:8 bit 接口类型:SPI 电压参考: 电源电压-最大:3.6 V 电源电压-最小:2 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-40