MIC3003GMLTR データシートの表示（PDF） - Micrel

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MIC3003GMLTR

FOM Management IC with Internal Calibration

Micrel 

Micrel, Inc.

MIC3003

Contents

Pin Configuration .......................................................................................................................................................... 8

Pin Description .............................................................................................................................................................. 8

Absolute Maximum Ratings ....................................................................................................................................... 10

Operating Ratings ....................................................................................................................................................... 10

Electrical Characteristics ........................................................................................................................................... 10

Serial Interface Timing Diagram ................................................................................................................................ 14

Serial Interface Address Maps................................................................................................................................... 15

Block Diagram ............................................................................................................................................................. 18

Analog-to-Digital Converter/Signal Monitoring........................................................................................................ 18

Alarms and Warnings Interrupt Source Masking..................................................................................................... 19

Alarms and Warnings as TXFAULT Source ............................................................................................................. 21

Latching of Alarms and Warnings............................................................................................................................. 21

SMBus Multipart Support ........................................................................................................................................... 21

QGOP Pin Function..................................................................................................................................................... 21

Calibration Modes ....................................................................................................................................................... 22

A/ External Calibration ............................................................................................................................................ 22

Voltage ............................................................................................................................................................. 22

Temperature..................................................................................................................................................... 22

Bias Current ..................................................................................................................................................... 22

TX Power.......................................................................................................................................................... 22

RX Power ......................................................................................................................................................... 23

B/ Internal Calibration ............................................................................................................................................. 23

Computing Internal Calibration Results ........................................................................................................... 23

C/ Reading the ADC Result Registers.................................................................................................................... 25

RXPOT ................................................................................................................................................................... 25

Laser Diode Bias Control........................................................................................................................................ 25

Laser Modulation Control ....................................................................................................................................... 26

Power On and Laser Start-Up ................................................................................................................................ 27

Fault Comparators .................................................................................................................................................. 28

SHDN and TXFIN ................................................................................................................................................... 29

Temperature Measurement .................................................................................................................................... 30

Diode Faults............................................................................................................................................................ 30

Temperature Compensation................................................................................................................................... 30

Alarms and Warning Flags ..................................................................................................................................... 32

Control and Status I/O ............................................................................................................................................ 32

System Timing............................................................................................................................................................. 34

Warm Resets .......................................................................................................................................................... 36

Power-On Hour Meter............................................................................................................................................. 36

Test and Calibration Features ................................................................................................................................ 37

Serial Port Operation .............................................................................................................................................. 38

Block Writes............................................................................................................................................................ 38

Acknowledge Polling............................................................................................................................................... 39

Write Protection and Data Security ........................................................................................................................ 39

OEM Password ................................................................................................................................................ 39

OEM Mode and User Mode ............................................................................................................................. 39

Detailed Register Descriptions .................................................................................................................................. 40

November 2009

3

M9999-111209-C

hbwhelp@micrel.com or (408) 955-1690

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