ZHCSK26E
March 2017 – July 2022
LMH1297
PRODUCTION DATA
1
特性
2
应用
3
说明
4
Revision History
5
说明(续)
6
Pin Configuration and Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Recommended SMBus Interface Timing Specifications
7.7
Serial Parallel Interface (SPI) Timing Specifications
7.8
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
4-Level Input Pins and Thresholds
8.3.2
Equalizer (EQ) and Cable Driver (CD) Mode Control
8.3.2.1
EQ/CD_SEL Control
8.3.2.2
OUT0_SEL and SDI_OUT_SEL Control
8.3.3
Input Carrier Detect
8.3.4
–6-dB Splitter Mode Launch Amplitude for SDI_IO+ (EQ Mode Only)
8.3.5
Continuous Time Linear Equalizer (CTLE)
8.3.5.1
Line-Side Adaptive Cable Equalizer (SDI_IO+ in EQ mode)
8.3.5.2
Host-Side Adaptive PCB Trace Equalizer (IN0± in CD Mode)
8.3.6
Clock and Data (CDR) Recovery
8.3.7
Internal Eye Opening Monitor (EOM)
8.3.8
Output Function Control
8.3.9
Output Driver Control
8.3.9.1
Line-Side Output Cable Driver (SDI_IO+ in CD mode, SDI_OUT+ in EQ or CD mode)
8.3.9.1.1
Output Amplitude (VOD)
8.3.9.1.2
Output Pre-Emphasis
8.3.9.1.3
Output Slew Rate
8.3.9.1.4
Output Polarity Inversion
8.3.9.2
Host-Side 100-Ω Output Driver (OUT0± in EQ or CD mode)
8.3.10
Status Indicators and Interrupts
8.3.10.1
LOCK_N (Lock Indicator)
8.3.10.2
CD_N (Carrier Detect)
8.3.10.3
INT_N (Interrupt)
8.3.11
Additional Programmability
8.3.11.1
Cable EQ Index (CEI)
8.3.11.2
Digital MUTEREF
8.4
Device Functional Modes
8.4.1
System Management Bus (SMBus) Mode
8.4.1.1
SMBus Read and Write Transaction
8.4.1.1.1
SMBus Write Operation Format
8.4.1.1.2
SMBus Read Operation Format
8.4.2
Serial Peripheral Interface (SPI) Mode
8.4.2.1
SPI Read and Write Transactions
8.4.2.2
SPI Write Transaction Format
8.4.2.3
SPI Read Transaction Format
8.4.2.4
SPI Daisy Chain
8.5
Register Maps
9
Application and Implementation
9.1
Application Information
9.1.1
SMPTE Requirements and Specifications
9.1.2
Low-Power Optimization in CD Mode
9.1.3
Optimized Loop Bandwidth Settings for Arria 10 FPGA Applications
9.2
Typical Applications
9.2.1
Bidirectional I/O
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.1.3
Application Curves
9.2.2
Cable Equalizer With Loop-Through
9.2.2.1
Design Requirements
9.2.2.2
Detailed Design Procedure
9.2.2.3
Application Curves
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.1.1
Board Stack-Up and Ground References
11.1.2
High-Speed PCB Trace Routing and Coupling
11.1.2.1
SDI_IO± and SDI_OUT±:
11.1.2.2
IN0± and OUT0±:
11.1.3
Anti-Pads
11.1.4
BNC Connector Layout and Routing
11.1.5
Power Supply and Ground Connections
11.1.6
Footprint Recommendations
11.2
Layout Example
12
Device and Documentation Support
12.1
Documentation Support
12.1.1
Related Documentation
12.2
接收文档更新通知
12.3
支持资源
12.4
Trademarks
12.5
Electrostatic Discharge Caution
12.6
术语表
13
Mechanical, Packaging, and Orderable Information
封装选项
机械数据 (封装 | 引脚)
RTV|32
MPQF166B
散热焊盘机械数据 (封装 | 引脚)
RTV|32
QFND101J
订购信息
zhcsk26e_oa
zhcsk26e_pm
1
特性
带有集成时钟恢复器的用户可配置型自适应电缆均衡器或电缆驱动器
支持ST-2082-1 (12G)、ST-2081-1 (6G)、
ST-424 (3G)、ST-292 (HD) 和 ST-259 (SD)
兼容 DVB-ASI 和 AES10 (MADI)
集成时钟恢复器锁定为 11.88Gbps、5.94Gbps、2.97Gbps、1.485Gbps 或 1.001 分频子速率和 270Mbps 的 SMPTE 速率
片上 75Ω 终端和回损补偿网络
EQ(均衡器)模式:
带有集成时钟恢复器的自适应电缆均衡器
具有去加重功能的 100Ω 输出驱动器
时钟恢复型 75Ω 环通输出
EQ 模式电缆传输距离
(Belden 1694A,禁用 SDI_OUT):
11.88Gbps 时为 75m
5.94Gbps 时为 120m
2.97Gbps 时为 200m
1.485Gbps 时为 300m
270Mbps 时为 600m
电缆驱动器 (CD) 模式:
带有集成时钟恢复器的双路差分输出电缆驱动器
自适应 PCB 输入均衡器
时钟恢复型 100Ω 环回输出
75Ω 输出端的自动预加重和转换率控制
75Ω 和 100Ω 输出端的极性反转
没有输入信号时自动进入省电工作模式
功耗:25 mW(典型值)
通过 ENABLE 引脚进行断电控制
2.5V 单电源
EQ 模式功率耗散:275 mW(典型值)
CD 模式功率耗散:305 mW(典型值)
可通过引脚、SPI 或 SMBus 接口进行编程
工作温度范围:-40°C 至 +85°C
5mm × 5 mm、32 引脚 QFN 封装