SNLS534D
April 2016 – June 2018
LMH1226
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
Simplified Block Diagram
4
Revision History
5
Pin Configuration and Functions
Pin Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Recommended SMBus Interface AC Timing Specifications
6.7
Serial Parallel Interface (SPI) AC Timing Specifications
6.8
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
4-Level Input Configuration Pins
7.3.2
Input Carrier Detect
7.3.3
Continuous Time Linear Equalizer (CTLE)
7.3.3.1
Adaptive PCB Trace Equalizer (IN1±)
7.3.4
Input-Output Mux Selection
7.3.5
Clock and Data Recovery (CDR) Reclocker
7.3.6
Internal Eye Opening Monitor (EOM)
7.3.7
Output Function Control
7.3.8
Output Driver Amplitude and De-Emphasis Control
7.3.9
Status Indicators and Interrupts
7.3.9.1
LOCK_N (Lock Indicator)
7.3.9.2
CD_N (Carrier Detect)
7.3.9.3
INT_N (Interrupt)
7.4
Device Functional Modes
7.4.1
System Management Bus (SMBus) Mode
7.4.1.1
SMBus Read and Write Transactions
7.4.1.1.1
SMBus Write Operation Format
7.4.1.1.2
SMBus Read Operation Format
7.4.2
Serial Peripheral Interface (SPI) Mode
7.4.2.1
SPI Read and Write Transactions
7.4.2.1.1
SPI Write Transaction Format
7.4.2.1.2
SPI Read Transaction Format
7.4.2.2
SPI Daisy Chain
7.5
LMH1226 Register Map
7.5.1
Share Register Page
7.5.2
CTLE/CDR Register Page
7.5.3
Drivers Register Page
8
Application and Implementation
8.1
Application Information
8.1.1
General Guidance for SMPTE and 10 GbE Applications
8.1.2
LMH1219 and LMH1226 Compatibility
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.3
Recommended VOD and DEM Register Settings
8.2.4
Application Performance Plots
9
Power Supply Recommendations
10
Layout
10.1
PCB Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Receiving Notification of Documentation Updates
11.2
Community Resources
11.3
Trademarks
11.4
Electrostatic Discharge Caution
11.5
Glossary
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RTW|24
MPQF167C
Thermal pad, mechanical data (Package|Pins)
RTW|24
QFND450A
Orderable Information
snls534d_oa
snls534d_pm
8.1
Application Information