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序列數位介面 (SDI) IC

LMH0324

現行

3G HD/SD 低功耗 SDI 適應性電纜等化器

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產品規格表

LMH0324

現行
產品規格表 立即訂購

產品詳細資料

Function Equalizer Supply voltage (V) 1.8, 2.5 Power consumption (mW) 78 Data rate (max) (Mbps) 2970 Control interface Pin, SMBus, SPI Operating temperature range (°C) -40 to 85
Function Equalizer Supply voltage (V) 1.8, 2.5 Power consumption (mW) 78 Data rate (max) (Mbps) 2970 Control interface Pin, SMBus, SPI Operating temperature range (°C) -40 to 85
WQFN (RTW) 24 16 mm² 4 x 4
  • Supports ST 424(3G), ST 292(HD), and ST 259(SD)
  • Compatible with DVB-ASI and AES10 (MADI)
  • Adaptive Cable Equalizer
  • Cable Reach (Belden 1694A):
    • 200 m at 2.97 Gbps
    • 280 m at 1.485 Gbps
    • 600 m at 270 Mbps
  • Low Power: 78 mW (typical)
  • Power Save Mode: 15 mW
  • On-chip Input Termination (75 Ω single-ended)
  • Integrated Input Return Loss Network
  • Dual 100-Ω Output Drivers With De-Emphasis
  • Independent Output Power-Down Control
  • Supports Signal Splitter Mode (–6 dB Launch Amplitude)
  • Cable Length Indicator
  • Digital MUTEREF Threshold
  • Powers from 2.5-V or 1.8-V Supply
  • Configurable by Control Pins, SPI, or SMBus Interface
  • 4-mm × 4-mm 24-pin QFN Package
  • Operating Temperature Range: –40°C to +85°C
  • Supports ST 424(3G), ST 292(HD), and ST 259(SD)
  • Compatible with DVB-ASI and AES10 (MADI)
  • Adaptive Cable Equalizer
  • Cable Reach (Belden 1694A):
    • 200 m at 2.97 Gbps
    • 280 m at 1.485 Gbps
    • 600 m at 270 Mbps
  • Low Power: 78 mW (typical)
  • Power Save Mode: 15 mW
  • On-chip Input Termination (75 Ω single-ended)
  • Integrated Input Return Loss Network
  • Dual 100-Ω Output Drivers With De-Emphasis
  • Independent Output Power-Down Control
  • Supports Signal Splitter Mode (–6 dB Launch Amplitude)
  • Cable Length Indicator
  • Digital MUTEREF Threshold
  • Powers from 2.5-V or 1.8-V Supply
  • Configurable by Control Pins, SPI, or SMBus Interface
  • 4-mm × 4-mm 24-pin QFN Package
  • Operating Temperature Range: –40°C to +85°C

The LMH0324 is a low-power, dual-output, extended reach adaptive cable equalizer. It is designed to equalize SDI data transmitted over 75-Ω coax cable. The equalizer operates over a wide range of data rates from 125 Mbps to 2.97 Gbps. The equalizer includes an active sensing circuitry that ensures robust performance and enhanced immunity to variations in the input signal launch amplitude.

The LMH0324 provides extended cable reach with low power consumption. It offers power management to reduce power consumption further when no input signal is present.

The LMH0324 has two differential serial data outputs, which provide flexibility for fan-out buffering. The output drivers offer programmable de-emphasis to compensate for board trace losses at the LMH0324 outputs. The operating state of the LMH0324 can be set via pin control. Additional settings of the device can be programmed via SPI or SMBus interface.

The LMH0324 is pin-compatible to the LMH1219 (12-Gbps adaptive cable equalizer with integrated reclocker). The pin compatibility allows ease of upgrade from a 3-Gbps equalizer to a 12-Gbps equalizer with integrated reclocker.

The LMH0324 is a low-power, dual-output, extended reach adaptive cable equalizer. It is designed to equalize SDI data transmitted over 75-Ω coax cable. The equalizer operates over a wide range of data rates from 125 Mbps to 2.97 Gbps. The equalizer includes an active sensing circuitry that ensures robust performance and enhanced immunity to variations in the input signal launch amplitude.

The LMH0324 provides extended cable reach with low power consumption. It offers power management to reduce power consumption further when no input signal is present.

The LMH0324 has two differential serial data outputs, which provide flexibility for fan-out buffering. The output drivers offer programmable de-emphasis to compensate for board trace losses at the LMH0324 outputs. The operating state of the LMH0324 can be set via pin control. Additional settings of the device can be programmed via SPI or SMBus interface.

The LMH0324 is pin-compatible to the LMH1219 (12-Gbps adaptive cable equalizer with integrated reclocker). The pin compatibility allows ease of upgrade from a 3-Gbps equalizer to a 12-Gbps equalizer with integrated reclocker.
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類型 標題 日期
* Data sheet LMH0324 3G/HD/SD SDI Dual Output Adaptive Cable Equalizer datasheet (Rev. B) PDF | HTML 2018年 6月 7日
Application note LMH12xx MADI Compatibility Application Note PDF | HTML 2018年 8月 30日
EVM User's guide LMH0324-18EVM User Guide (Rev. A) 2018年 6月 11日
Technical article Three things to consider when upgrading to 4K Ultra HD 12G-SDI interfaces PDF | HTML 2016年 4月 13日

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參考設計

TIDA-03028 — 具有時鐘重整功能的 3G-SDI 中繼器參考設計

This verified reference design is functionally an SDI repeater/signal conditioning solution for 3G SDI applications. This reference design is compatible with SMPTE ST-424, ST-292, and ST-259 electrical requirements.
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