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参数资料
| 型号： | MIC3000BMLTR |
| 厂商： | MICREL INC |
| 元件分类： | 数字传输电路 |
| 英文描述： | ATM/SONET/SDH SUPPORT CIRCUIT, QCC24 |
| 封装： | 4 X 4 MM, MLF-24 |
| 文件页数： | 12/68页 |
| 文件大小： | 444K |
| 代理商： | MIC3000BMLTR |
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MIC3000
Micrel
M9999-101204
2
October 2004
Contents
General Description ................................................................................................................................................................................ 1
Features .................................................................................................................................................................................................... 1
Applications ............................................................................................................................................................................................. 1
Ordering Information .............................................................................................................................................................................. 1
Pin Configuration .................................................................................................................................................................................... 5
24-Lead MLF ......................................................................................................................................................................................... 5
Pin Descriptions ................................................................................................................................................................................. 5-6
Absolute Maximum Ratings ................................................................................................................................................................... 7
Operating Ratings ................................................................................................................................................................................... 7
Electrical Characteristics ................................................................................................................................................................. 7-11
Timing Diagram ..................................................................................................................................................................................... 11
Serial Interface Timing .......................................................................................................................................................................... 11
Address Map .......................................................................................................................................................................................... 12
Table 1. MIC3000 Address Map, Serial address = A0h ..................................................................................................................... 12
Table 2. MIC3000 Address Map, Serial Address = A2h ..................................................................................................................... 12
Table 3. Temperature Compensation Tables, Serial Address = A4h ................................................................................................. 13
Table 4. OEM Configuration Registers, Serial Address = A6h ........................................................................................................... 13
Block Diagram ....................................................................................................................................................................................... 14
Figure 1. MIC3000 Block Diagram ...................................................................................................................................................... 14
Analog-to-Digital Converter/Signal Monitoring ................................................................................................................................. 14
Figure 2. Analog-to-Digital Converter Block Diagram ......................................................................................................................... 15
Table 5. A/D Input Signal Ranges and Resolutions ........................................................................................................................... 15
Table 6. VAUX Input Signal Ranges and Resolutions ........................................................................................................................ 15
External Calibration .............................................................................................................................................................................. 16
Voltage .................................................................................................................................................................................................... 16
Temperature ........................................................................................................................................................................................... 16
Bias Current ........................................................................................................................................................................................... 16
TX Power ................................................................................................................................................................................................ 16
RX Power ................................................................................................................................................................................................ 16
Laser Diode Bias Control ..................................................................................................................................................................... 17
Figure 3. MIC3000 APC and Modulation Control Block Diagram ...................................................................................................... 17
Figure 4. Programmable Feedback Resistor ...................................................................................................................................... 17
Laser Modulation Control ..................................................................................................................................................................... 17
Figure 5. Transmitter Configurations Supported by MIC3000 ..................................................................................................... 17
Figure 6. VMOD Configured as Voltage Output with Gain ........................................................................................................... 18
Power ON and Laser Start-Up .............................................................................................................................................................. 19
Table 8. Shutdown State of SHDN vs. Configuration Bits .................................................................................................................. 19
Figure 7. MIC3000 Power-On Timing (OE=1) .................................................................................................................................... 19
Table 9. Shutdown State of VBIAS vs. Configuration Bits ................................................................................................................. 19
Table 10. Shutdown state of VMOD vs. Configuration bits ................................................................................................................ 19
Fault Comparators ................................................................................................................................................................................ 20
Figure 8. Fault Comparator Logic ....................................................................................................................................................... 20
Duty-Cycle Limiting ............................................................................................................................................................................... 20
Temperature Measurement .................................................................................................................................................................. 20
Diode Faults ........................................................................................................................................................................................... 20
Figure 9. Saturation Detector .............................................................................................................................................................. 21
Figure 10. RXLOS Comparator Logic ................................................................................................................................................. 21
Temperature Compensation ................................................................................................................................................................ 21
Table 11. Temperature Compensation Look-up Tables, Serial Address I2CADR + 4h .................................................................... 22
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