JAJSJN4C
May 2020 – November 2022
LMK04832-SP
PRODUCTION DATA
1
特長
2
アプリケーション
3
概要
4
Revision History
5
Pin Configuration and Functions
6
Specifications
6.1
絶対最大定格
6.2
ESD 定格
6.3
推奨動作条件
6.4
熱に関する情報
6.5
電気的特性
6.6
タイミング要件
6.7
Timing Diagram
6.8
代表的特性
7
Parameter Measurement Information
7.1
Charge Pump Current Specification Definitions
7.1.1
Charge Pump Output Current Magnitude Variation vs Charge Pump Output Voltage
7.1.2
Charge Pump Sink Current vs Charge Pump Output Source Current Mismatch
7.1.3
Charge Pump Output Current Magnitude Variation vs Ambient Temperature
7.2
Differential Voltage Measurement Terminology
8
Detailed Description
8.1
Overview
8.1.1
Differences Between LMK04832-SP and LMK04832
8.1.1.1
Jitter Cleaning
8.1.1.2
JEDEC JESD204B Support
8.1.2
Clock Inputs
8.1.2.1
Inputs for PLL1
8.1.2.2
Inputs for PLL2
8.1.2.3
Inputs When Using Clock Distribution Mode
8.1.3
PLL1
8.1.3.1
Frequency Holdover
8.1.3.2
External VCXO for PLL1
8.1.4
PLL2
8.1.4.1
Internal VCOs for PLL2
8.1.4.2
External VCO Mode
8.1.5
Clock Distribution
8.1.5.1
Clock Divider
8.1.5.2
High Performance Divider Bypass Mode
8.1.5.3
SYSREF Clock Divider
8.1.5.4
Device Clock Delay
8.1.5.5
Dynamic Digital Delay
8.1.5.6
SYSREF Delay: Global and Local
8.1.5.7
Programmable Output Formats
8.1.5.8
Clock Output Synchronization
8.1.6
0-Delay
8.1.7
Status Pins
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Synchronizing PLL R Dividers
8.3.1.1
PLL1 R Divider Synchronization
8.3.1.2
PLL2 R Divider Synchronization
8.3.2
SYNC/SYSREF
8.3.3
JEDEC JESD204B
8.3.3.1
How to Enable SYSREF
8.3.3.1.1
Setup of SYSREF Example
8.3.3.1.2
SYSREF_CLR
8.3.3.2
SYSREF Modes
8.3.3.2.1
SYSREF Pulser
8.3.3.2.2
Continuous SYSREF
8.3.3.2.3
SYSREF Request
8.3.4
Digital Delay
8.3.4.1
Fixed Digital Delay
8.3.4.1.1
Fixed Digital Delay Example
8.3.4.2
Dynamic Digital Delay
8.3.4.3
Single and Multiple Dynamic Digital Delay Example
8.3.5
SYSREF to Device Clock Alignment
8.3.6
Input Clock Switching
8.3.6.1
Input Clock Switching - Manual Mode
8.3.6.2
Input Clock Switching - Pin Select Mode
8.3.6.3
Input Clock Switching - Automatic Mode
8.3.7
Digital Lock Detect
8.3.7.1
Calculating Digital Lock Detect Frequency Accuracy
8.3.8
Holdover
8.3.8.1
Enable Holdover
8.3.8.1.1
Fixed (Manual) CPout1 Holdover Mode
8.3.8.1.2
Tracked CPout1 Holdover Mode
8.3.8.2
During Holdover
8.3.8.3
Exiting Holdover
8.3.8.4
Holdover Frequency Accuracy and DAC Performance
8.3.9
PLL2 Loop Filter
8.4
Device Functional Modes
8.4.1
DUAL PLL
8.4.1.1
Dual Loop
8.4.1.2
Dual Loop With Cascaded 0-Delay
8.4.1.3
Dual Loop With Nested 0-Delay
8.4.2
Single PLL
8.4.2.1
PLL2 Single Loop
8.4.2.2
PLL2 With External VCO
8.4.3
Distribution Mode
8.5
Programming
8.5.1
Recommended Programming Sequence
8.6
Register Maps
8.6.1
Register Map for Device Programming
8.6.2
Device Register Descriptions
8.6.2.1
System Functions
8.6.2.1.1
RESET, SPI_3WIRE_DIS
8.6.2.1.2
POWERDOWN
8.6.2.1.3
ID_DEVICE_TYPE
8.6.2.1.4
ID_PROD
8.6.2.1.5
ID_MASKREV
8.6.2.1.6
ID_VNDR
8.6.2.2
(0x100 - 0x138) Device Clock and SYSREF Clock Output Controls
8.6.2.2.1
DCLKX_Y_DIV
8.6.2.2.2
DCLKX_Y_DDLY
8.6.2.2.3
CLKoutX_Y_PD, CLKoutX_Y_ODL, CLKoutX_Y_IDL, DCLKX_Y_DDLY_PD, DCLKX_Y_DDLY[9:8], DCLKX_Y_DIV[9:8]
8.6.2.2.4
CLKoutX_SRC_MUX, CLKoutX_Y_PD, DCLKX_Y_BYP, DCLKX_Y_DCC, DCLKX_Y_POL, DCLKX_Y_HS
8.6.2.2.5
CLKoutY_SRC_MUX, SCLKX_Y_PD, SCLKX_Y_DIS_MODE, SCLKX_Y_POL, SCLKX_Y_HS
8.6.2.2.6
SCLKX_Y_ADLY_EN, SCLKX_Y_ADLY
8.6.2.2.7
SCLKX_Y_DDLY
8.6.2.2.8
CLKoutY_FMT, CLKoutX_FMT
8.6.2.3
SYSREF, SYNC, and Device Config
8.6.2.3.1
VCO_MUX, OSCout_MUX, OSCout_FMT
8.6.2.3.2
SYSREF_REQ_EN, SYNC_BYPASS, SYSREF_MUX
8.6.2.3.3
SYSREF_DIV
8.6.2.3.4
SYSREF_DDLY
8.6.2.3.5
SYSREF_PULSE_CNT
8.6.2.3.6
PLL2_RCLK_MUX, PLL2_NCLK_MUX, PLL1_NCLK_MUX, FB_MUX, FB_MUX_EN
8.6.2.3.7
PLL1_PD, VCO_LDO_PD, VCO_PD, OSCin_PD, SYSREF_GBL_PD, SYSREF_PD, SYSREF_DDLY_PD, SYSREF_PLSR_PD
8.6.2.3.8
DDLYdSYSREF_EN, DDLYdX_EN
8.6.2.3.9
DDLYd_STEP_CNT
8.6.2.3.10
SYSREF_CLR, SYNC_1SHOT_EN, SYNC_POL, SYNC_EN, SYNC_PLL2_DLD, SYNC_PLL1_DLD, SYNC_MODE
8.6.2.3.11
SYNC_DISSYSREF, SYNC_DISX
8.6.2.3.12
PLL1R_SYNC_EN, PLL1R_SYNC_SRC, PLL2R_SYNC_EN, FIN0_DIV2_EN, FIN0_INPUT_TYPE
8.6.2.4
(0x146 - 0x149) CLKin Control
8.6.2.4.1
CLKin_SEL_PIN_EN, CLKin_SEL_PIN_POL, CLKin2_EN, CLKin1_EN, CLKin0_EN, CLKin2_TYPE, CLKin1_TYPE, CLKin0_TYPE
8.6.2.4.2
CLKin_SEL_AUTO_REVERT_EN, CLKin_SEL_AUTO_EN, CLKin_SEL_MANUAL, CLKin1_DEMUX, CLKin0_DEMUX
8.6.2.4.3
CLKin_SEL0_MUX, CLKin_SEL0_TYPE
8.6.2.4.4
SDIO_RDBK_TYPE, CLKin_SEL1_MUX, CLKin_SEL1_TYPE
8.6.2.5
RESET_MUX, RESET_TYPE
8.6.2.6
(0x14B - 0x152) Holdover
8.6.2.6.1
LOS_TIMEOUT, LOS_EN, TRACK_EN, HOLDOVER_FORCE, MAN_DAC_EN, MAN_DAC[9:8]
8.6.2.6.2
MAN_DAC
8.6.2.6.3
DAC_TRIP_LOW
8.6.2.6.4
DAC_CLK_MULT, DAC_TRIP_HIGH
8.6.2.6.5
DAC_CLK_CNTR
8.6.2.6.6
CLKin_OVERRIDE, HOLDOVER_EXIT_MODE, HOLDOVER_PLL1_DET, LOS_EXTERNAL_INPUT, HOLDOVER_VTUNE_DET, CLKin_SWITCH_CP_TRI, HOLDOVER_EN
8.6.2.6.7
HOLDOVER_DLD_CNT
8.6.2.7
(0x153 - 0x15F) PLL1 Configuration
8.6.2.7.1
CLKin0_R
8.6.2.7.2
CLKin1_R
8.6.2.7.3
CLKin2_R
8.6.2.7.4
PLL1_N
8.6.2.7.5
PLL1_WND_SIZE, PLL1_CP_TRI, PLL1_CP_POL, PLL1_CP_GAIN
8.6.2.7.6
PLL1_DLD_CNT
8.6.2.7.7
HOLDOVER_EXIT_NADJ
8.6.2.7.8
PLL1_LD_MUX, PLL1_LD_TYPE
8.6.2.8
(0x160 - 0x16E) PLL2 Configuration
8.6.2.8.1
PLL2_R
8.6.2.8.2
PLL2_P, OSCin_FREQ, PLL2_REF_2X_EN
8.6.2.8.3
PLL2_N_CAL
8.6.2.8.4
PLL2_N
8.6.2.8.5
PLL2_WND_SIZE, PLL2_CP_GAIN, PLL2_CP_POL, PLL2_CP_TRI
8.6.2.8.6
PLL2_DLD_CNT
8.6.2.8.7
PLL2_LD_MUX, PLL2_LD_TYPE
8.6.2.9
(0x16F - 0x555) Misc Registers
8.6.2.9.1
PLL2_PRE_PD, PLL2_PD, FIN0_PD
8.6.2.9.2
PLL1R_RST
8.6.2.9.3
CLR_PLL1_LD_LOST, CLR_PLL2_LD_LOST
8.6.2.9.4
RB_PLL1_LD_LOST, RB_PLL1_LD, RB_PLL2_LD_LOST, RB_PLL2_LD
8.6.2.9.5
RB_DAC_VALUE (MSB), RB_CLKinX_SEL, RB_CLKinX_LOS
8.6.2.9.6
RB_DAC_VALUE
8.6.2.9.7
RB_HOLDOVER
8.6.2.9.8
SPI_LOCK
9
Application and Implementation
9.1
Application Information
9.1.1
Treatment of Unused Pins
9.1.2
Digital Lock Detect Frequency Accuracy
9.1.2.1
Minimum Lock Time Calculation Example
9.1.3
Driving CLKin AND OSCin Inputs
9.1.3.1
Driving CLKin and OSCin PINS With a Differential Source
9.1.3.2
Driving CLKin Pins With a Single-Ended Source
9.1.4
OSCin Doubler for Best Phase Noise Performance
9.1.5
Radiation Environments
9.1.5.1
Total Ionizing Dose
9.1.5.2
Single Event Effect
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
Device Selection
9.2.2.1.1
Clock Architect
9.2.2.2
Device Configuration and Simulation
9.2.2.3
Device Programming
9.3
Power Supply Recommendations
9.3.1
Cold Sparing Considerations
9.3.1.1
Damage Prevention Details to Unpowered Device
9.3.2
Current Consumption
9.4
Layout
9.4.1
Layout Guidelines
9.4.1.1
Thermal Management
9.4.2
Layout Example
10
Device and Documentation Support
10.1
Device Support
10.1.1
Development Support
10.1.1.1
Clock Architect
10.1.1.2
PLLatinum Sim
10.1.1.3
TICS Pro
10.2
Documentation Support
10.2.1
Related Documentation
10.3
Receiving Notification of Documentation Updates
10.4
サポート・リソース
10.5
Trademarks
10.6
Electrostatic Discharge Caution
10.7
Glossary
11
Mechanical, Packaging, and Orderable Information
パッケージ・オプション
メカニカル・データ(パッケージ|ピン)
HBE|64
MCCF006A
サーマルパッド・メカニカル・データ
発注情報
jajsjn4c_oa
jajsjn4c_pm
1
特長
SMD #5962R1723701VXC
総照射線量耐性:100krad (ELDRS フリー)
SEL 耐性 > 120MeV × cm
2
/mg
SEFI 耐性 > 120MeV × cm
2
/mg
最高クロック出力周波数:3255 MHz
マルチモード:デュアル PLL、シングル PLL、クロック・ディストリビューション
6GHz の外付け VCO または分配入力
超低ノイズ (2500MHz 時):
54fs RMS ジッタ (12kHz~20MHz)
64fs RMS ジッタ (100Hz~20MHz)
-157.6dBc/Hz のノイズ・フロア
超低ノイズ (3200MHz 時):
61fs RMS ジッタ (12kHz~20MHz)
67fs RMS ジッタ (100Hz~100MHz)
-156.5dBc/Hz のノイズ・フロア
PLL2
PLL FOM: -230dBc/Hz
PLL 1/f: -128dBc/Hz
位相検出速度:最高 320MHz
2 つの VCO を内蔵:2440~2600MHz
および 2945~3255MHz
最大 14 個の差動デバイス・クロック
CML、LVPECL、LCPECL、HSDS、LVDS、2xLVCMOS プログラマブル出力
最大 1 個のバッファ付き VCXO/XO 出力
LVPECL、LVDS、2xLVCMOS をプログラム可能
1-1023 の CLKout 分周器
1-8191 の SYSREF 分周器
SYSREF クロックの 25ps ステップ・アナログ遅延
デバイス・クロックおよび SYSREF のデジタル遅延および動的デジタル遅延
PLL1 によるホールドオーバー・モード
PLL1 または PLL2 による 0 遅延
周囲温度範囲:-55℃~125℃
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