ZHCSIC4C June   2018  – November 2018 LMX2615-SP

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     Device Images
      1.      简化原理图
  4. 4 修订历史记录
  5. 5 Pin Configuration and Functions
    1.     Pin Functions
      1.      CQFP Package (QFN) Pin Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Timing Requirements
    7. 6.7 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1  Reference Oscillator Input
      2. 7.3.2  Reference Path
        1. 7.3.2.1 OSCin Doubler (OSC_2X)
        2. 7.3.2.2 Pre-R Divider (PLL_R_PRE)
        3. 7.3.2.3 Post-R Divider (PLL_R)
      3. 7.3.3  State Machine Clock
      4. 7.3.4  PLL Phase Detector and Charge Pump
      5. 7.3.5  N Divider and Fractional Circuitry
      6. 7.3.6  MUXout Pin
        1. 7.3.6.1 Serial data output for readback
        2. 7.3.6.2 Lock detect indicator set as type “VCOCal”
        3. 7.3.6.3 Lock detect indicator set as type “Vtune and VCOCal”
      7. 7.3.7  VCO (Voltage Controlled Oscillator)
        1. 7.3.7.1 VCO Calibration
        2. 7.3.7.2 Watchdog Feature
        3. 7.3.7.3 RECAL Feature
        4. 7.3.7.4 Determining the VCO Gain
      8. 7.3.8  Channel Divider
      9. 7.3.9  Output Buffer
      10. 7.3.10 Powerdown Modes
      11. 7.3.11 Treatment of Unused Pins
      12. 7.3.12 Phase Synchronization
        1. 7.3.12.1 General Concept
        2. 7.3.12.2 Categories of Applications for SYNC
        3. 7.3.12.3 Procedure for Using SYNC
        4. 7.3.12.4 SYNC Input Pin
      13. 7.3.13 Phase Adjust
      14. 7.3.14 Fine Adjustments for Phase Adjust and Phase SYNC
      15. 7.3.15 SYSREF
        1. 7.3.15.1 Programmable Fields
        2. 7.3.15.2 Input and Output Pin Formats
          1. 7.3.15.2.1 SYSREF Output Format
        3. 7.3.15.3 Examples
        4. 7.3.15.4 SYSREF Procedure
      16. 7.3.16 Pin Modes
    4. 7.4 Device Functional Modes
    5. 7.5 Programming
      1. 7.5.1 Recommended Initial Power-Up Sequence
      2. 7.5.2 Recommended Sequence for Changing Frequencies
    6. 7.6 Register Maps
      1. 7.6.1 Register Map
        1. 7.6.1.1  R0 Register (Address = 0x0) [reset = X]
          1. Table 22. R0 Register Field Descriptions
        2. 7.6.1.2  R1 Register (Address = 0x1) [reset = 0x4]
          1. Table 23. R1 Register Field Descriptions
        3. 7.6.1.3  R8 Register (Address = 0x8) [reset = X]
          1. Table 24. R8 Register Field Descriptions
        4. 7.6.1.4  R9 Register (Address = 0x9) [reset = X]
          1. Table 25. R9 Register Field Descriptions
        5. 7.6.1.5  R11 Register (Address = 0xB) [reset = 0x10]
          1. Table 26. R11 Register Field Descriptions
        6. 7.6.1.6  R12 Register (Address = 0xC) [reset = 0x1]
          1. Table 27. R12 Register Field Descriptions
        7. 7.6.1.7  R14 Register (Address = 0xE) [reset = 0x70]
          1. Table 28. R14 Register Field Descriptions
        8. 7.6.1.8  R16 Register (Address = 0x10) [reset = 0x80]
          1. Table 29. R16 Register Field Descriptions
        9. 7.6.1.9  R19 Register (Address = 0x13) [reset = 0xB7]
          1. Table 30. R19 Register Field Descriptions
        10. 7.6.1.10 R20 Register (Address = 0x14) [reset = X]
          1. Table 31. R20 Register Field Descriptions
        11. 7.6.1.11 R31 Register (Address = 0x1F) [reset = X]
          1. Table 32. R31 Register Field Descriptions
        12. 7.6.1.12 R34 Register (Address = 0x22) [reset = 0x0]
          1. Table 33. R34 Register Field Descriptions
        13. 7.6.1.13 R36 Register (Address = 0x24) [reset = 0x46]
          1. Table 34. R36 Register Field Descriptions
        14. 7.6.1.14 R37 Register (Address = 0x25) [reset = 0x400]
          1. Table 35. R37 Register Field Descriptions
        15. 7.6.1.15 R38 Register (Address = 0x26) [reset = 0xFD51]
          1. Table 36. R38 Register Field Descriptions
        16. 7.6.1.16 R39 Register (Address = 0x27) [reset = 0xDA80]
          1. Table 37. R39 Register Field Descriptions
        17. 7.6.1.17 R40 Register (Address = 0x28) [reset = 0x0]
          1. Table 38. R40 Register Field Descriptions
        18. 7.6.1.18 R41 Register (Address = 0x29) [reset = 0x0]
          1. Table 39. R41 Register Field Descriptions
        19. 7.6.1.19 R42 Register (Address = 0x2A) [reset = 0x0]
          1. Table 40. R42 Register Field Descriptions
        20. 7.6.1.20 R43 Register (Address = 0x2B) [reset = 0x0]
          1. Table 41. R43 Register Field Descriptions
        21. 7.6.1.21 R44 Register (Address = 0x2C) [reset = 0x1FA3]
          1. Table 42. R44 Register Field Descriptions
        22. 7.6.1.22 R45 Register (Address = 0x2D) [reset = X]
          1. Table 43. R45 Register Field Descriptions
        23. 7.6.1.23 R46 Register (Address = 0x2E) [reset = 0x1]
          1. Table 44. R46 Register Field Descriptions
        24. 7.6.1.24 R58 Register (Address = 0x3A) [reset = X]
          1. Table 45. R58 Register Field Descriptions
        25. 7.6.1.25 R59 Register (Address = 0x3B) [reset = 0x1]
          1. Table 46. R59 Register Field Descriptions
        26. 7.6.1.26 R60 Register (Address = 0x3C) [reset = 0x9C4]
          1. Table 47. R60 Register Field Descriptions
        27. 7.6.1.27 R69 Register (Address = 0x45) [reset = 0x0]
          1. Table 48. R69 Register Field Descriptions
        28. 7.6.1.28 R70 Register (Address = 0x46) [reset = 0xC350]
          1. Table 49. R70 Register Field Descriptions
        29. 7.6.1.29 R71 Register (Address = 0x47) [reset = 0x80]
          1. Table 50. R71 Register Field Descriptions
        30. 7.6.1.30 R72 Register (Address = 0x48) [reset = 0x1]
          1. Table 51. R72 Register Field Descriptions
        31. 7.6.1.31 R73 Register (Address = 0x49) [reset = 0x3F]
          1. Table 52. R73 Register Field Descriptions
        32. 7.6.1.32 R74 Register (Address = 0x4A) [reset = 0x0]
          1. Table 53. R74 Register Field Descriptions
        33. 7.6.1.33 R75 Register (Address = 0x4B) [reset = 0x0]
          1. Table 54. R75 Register Field Descriptions
        34. 7.6.1.34 R110 Register (Address = 0x6E) [reset = 0x0]
          1. Table 55. R110 Register Field Descriptions
        35. 7.6.1.35 R111 Register (Address = 0x6F) [reset = 0x0]
          1. Table 56. R111 Register Field Descriptions
        36. 7.6.1.36 R112 Register (Address = 0x70) [reset = 0x0]
          1. Table 57. R112 Register Field Descriptions
        37. 7.6.1.37 R113 Register (Address = 0x71) [reset = 0x0]
          1. Table 58. R113 Register Field Descriptions
        38. 7.6.1.38 R114 Register (Address = 0x72) [reset = 0x26F]
          1. Table 59. R114 Register Field Descriptions
  8. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 OSCin Configuration
      2. 8.1.2 OSCin Slew Rate
      3. 8.1.3 RF Output Buffer Power Control
      4. 8.1.4 RF Output Buffer Pullup
        1. 8.1.4.1 Resistor Pullup
        2. 8.1.4.2 Inductor Pullup
        3. 8.1.4.3 Combination Pullup
      5. 8.1.5 RF Output Treatment for the Complimentary Side
        1. 8.1.5.1 Single-Ended Termination of Unused Output
        2. 8.1.5.2 Differential Termination
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curve
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
    3. 10.3 Footprint Example on PCB Layout
    4. 10.4 Radiation Environments
      1. 10.4.1 Total Ionizing Dose
      2. 10.4.2 Single Event Effect
  11. 11器件和文档支持
    1. 11.1 器件支持
      1. 11.1.1 第三方米6体育平台手机版_好二三四免责声明
      2. 11.1.2 开发支持
    2. 11.2 文档支持
      1. 11.2.1 相关文档
    3. 11.3 商标
    4. 11.4 静电放电警告
    5. 11.5 术语表
  12. 12机械、封装和可订购信息
    1. 12.1 工程样片
    2. 12.2 封装机械信息

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

7.3.16 Pin Modes

The LMX2615-SP has 8 pins that can be used to program pre-selected modes. A few rules of operation for these pin modes are as folows:

  • Set the pin mode as desired. Pin Mode 0 is SPI mode
  • If a single frequency is desired, tie CAL should be tied to supply through 1 kohm resistance and and RECAL_EN shoudl be left open.
  • The rise time for the supply needs to be <50 ms.
  • Fractional denominator for all pin modes is 4250000
  • Some words can be overwritten in pin mode including OUTx_PWR, OUTx_EN, RESET, and POWERDOWN

    • When changing between pin modes, after the pins are changed, the CAL pin needs to be toggled

  • If the FS7 pin is low, then only the RFoutA output is active. If the FS7 pin is high, then both the RFoutA and RFoutB outputs are active.

The following table shows all the pin modes

Table 17. Pin Modes

Mode fOSC
(MHz)		 fPD
(MHz)		 CPG
(mA)		 fOUT
(MHz)		 CHDIV fVCO
(MHz)		 N Fraction
0 SPI Mode
1 10 20 15 160 48 7680 384 0/4250000000
2 10 10 15 395 24 9480 948 0/4250000000
3 10 20 15 720 12 8640 432 0/4250000000
4 10 20 15 1280 6 7680 384 0/4250000000
5 100 200 15 300 32 9600 48 0/4250000000
6 100 200 15 1000 8 8000 40 0/4250000000
7 100 200 15 1200 8 9600 48 0/4250000000
8 20 40 15 6199.855 2 12399.71 309 4219187500/4250000000
9 100 200 15 2000 4 8000 40 0/4250000000
10 50 100 15 250 32 8000 80 0/4250000000
11 50 100 15 500 16 8000 80 0/4250000000
12 50 100 15 850 12 10200 102 0/4250000000
13 20 40 15 5654.912 2 11309.824 282 3168800000/4250000000
14 10 20 15 1517.867839 6 9107.207034 455 1531494725/4250000000
15 10 20 15 1708.670653 6 10252.02392 512 2555082575/4250000000
16 50 100 15 2500 4 10000 100 0/4250000000
17 Reserved. Do not use this pin mode.
18 10 20 15 3035.735678 4 12142.94271 607 625326300/4250000000
19 50 100 15 3200 4 12800 128 0/4250000000
20 10 20 15 3417.341306 4 13669.36522 683 1990110100/4250000000
21 50 100 15 4500 2 9000 90 0/4250000000
22 50 100 15 4800 2 9600 96 0/4250000000
23 50 100 15 5350 2 10700 107 0/4250000000
24 50 100 15 6800 2 13600 136 0/4250000000
25 10 20 15 6834 2 13668 683 1700000000/4250000000
26 10 20 15 6834.682611 2 13669.36522 683 1990109675/4250000000
27 10 20 15 6834.6875 2 13669.375 683 1992187500/4250000000
28 10 20 15 6834.75 2 13669.5 683 2018750000/4250000000
29 50 100 15 9600 1 9600 96 0/4250000000
30 50 100 15 9650 1 9650 96 2125000000/4250000000
31 50 100 15 13500 1 13500 135 0/4250000000
32 100 100 15 70 128 8960 89 2550000000/4250000000
33 18.75 37.5 15 393.75 24 9450 252 0/4250000000
34 18.75 37.5 15 422.4990441 24 10139.97706 270 1697399952/4250000000
35 37.5 75 15 422.4990441 24 10139.97706 135 848699976/4250000000
36 20 40 15 6785.552 2 13571.104 339 1179800000/4250000000
37 20 40 15 2088.38 4 8353.52 208 3561500000/4250000000
38 100 100 15 2210 4 8840 88 1700000000/4250000000
39 100 100 15 2238 4 8952 89 2210000000/4250000000
40 20 40 15 2254.35 4 9017.4 225 1848750000/4250000000
41 20 40 15 2270 4 9080 227 0/4250000000
42 20 40 15 2280 4 9120 228 0/4250000000
43 18.75 37.5 15 6759.984705 2 13519.96941 360 2263199800/4250000000
44 37.5 75 15 6759.984705 2 13519.96941 180 1131599900/4250000000
45 20 40 15 8125 1 8125 203 531250000/4250000000
46 20 40 15 8175 1 8175 204 1593750000/4250000000
47 20 40 15 8200 1 8200 205 0/4250000000
48 20 40 15 8210 1 8210 205 1062500000/4250000000
49 20 40 15 8212.5 1 8212.5 205 1328125000/4250000000
50 20 40 15 8275 1 8275 206 3718750000/4250000000
51 20 40 15 8300 1 8300 207 2125000000/4250000000
52 20 40 15 8400 1 8400 210 0/4250000000
53 20 40 15 8450 1 8450 211 1062500000/4250000000
54 20 40 15 8460 1 8460 211 2125000000/4250000000
55 20 40 15 8484 1 8484 212 425000000/4250000000
56 20 40 15 8496 1 8496 212 1700000000/4250000000
57 20 40 15 8212 1 8212 205 1275000000/4250000000
58 10 20 15 12860 1 12860 643 0/4250000000
59 10 20 15 13000 1 13000 650 0/4250000000
60 10 20 15 13022.5 1 13022.5 651 531250000/4250000000
61 10 20 15 13125 1 13125 656 1062500000/4250000000
62 10 20 15 13222.5 1 13222.5 661 531250000/4250000000
63 20 40 15 12209.697 1 12209.697 305 1030306250/4250000000
64 10 20 15 13390 1 13390 669 2125000000/4250000000
65 10 20 15 13417.5 1 13417.5 670 3718750000/4250000000
66 20 40 15 12689.697 1 12689.697 317 1030412500/4250000000
67 20 40 15 13906.667 1 13906.667 347 2833368750/4250000000
68 20 40 15 14192.727 1 14192.727 354 3477243750/4250000000
69 10 20 15 8212.5 1 8212.5 410 2656250000/4250000000
70 100 50 15 1250 8 10000 200 0/4250000000
71 50 100 15 1250 8 10000 100 0/4250000000
72 18.75 37.5 15 1875 6 11250 300 0/4250000000
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