参数资料
型号: MIC3001BML
厂商: Micrel Inc
文件页数: 16/76页
文件大小: 0K
描述: IC FOM MANAGEMENT W/CALIBR 24MLF
标准包装: 75
类型: 收发器
规程: SDHj Sonet
电源电压: 3 V ~ 3.6 V
安装类型: 表面贴装
封装/外壳: 24-VFQFN 裸露焊盘,24-MLF?
供应商设备封装: 24-MLF?(4x4)
包装: 托盘
Micrel, Inc.
MIC3001
August 2004
23
M9999-082404-A
hbwhelp@micrel.com or (408) 955-1690
Laser Modulation Control
As shown in Figure 4, a temperature-compensated DAC
is provided to set and control the laser modulation current
via
an
external
laser
driver
circuit.
MODREF
in
OEMCFG0 selects whether the VMOD DAC output swings
up from ground or down from VDD. If the laser driver
requires a voltage input to set the modulation current, the
MIC3001’s VMOD output can drive it directly. If a current
input is required, a fixed resistor can be used between the
driver
and
the
VMOD
output.
Several
different
configurations are possible as shown in Figure 7.
When APC is on, i.e., the APCCAL bit in OEMCAL0 is set
to 0, the value corresponding to the current temperature is
taken from the MODLUT look-up table, added to
MODSET, and loaded into the VMOD DAC. When APC is
off, the value in VMOD is loaded directly into the VMOD
DAC, bypassing the look-up table entirely. This provides
for direct modulation control for setup and calibration. The
MODREF bit determines the DACs response to higher or
lower numeric values.
Figure 6. Transmitter Configurations
Supported by MIC3001
Figure 7. VMOD Configured as Voltage Output
with Gain
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参数描述
MIC3001BML TR 功能描述:IC FOM MANAGEMENT W/CALIBR 24MLF RoHS:否 类别:集成电路 (IC) >> 接口 - 驱动器,接收器,收发器 系列:- 标准包装:1,140 系列:AU 类型:收发器 驱动器/接收器数:1/1 规程:CAN 电源电压:5.3 V ~ 27 V 安装类型:表面贴装 封装/外壳:14-SOIC(0.154",3.90mm 宽) 供应商设备封装:14-SO 包装:管件 其它名称:935267940512AU5790D14AU5790D14-ND
MIC3001BMLTR 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:FOM Management IC with Internal Calibration
MIC3001GML 功能描述:网络控制器与处理器 IC F/O Transceiver Mgt. IC with Internal Calibration RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流(最大值):595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray
MIC3001GML TR 功能描述:网络控制器与处理器 IC F/O Transceiver Mgt. IC with Internal Calibration RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流(最大值):595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray
MIC3001GMLTR 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:FOM Management IC with Internal Calibration