LMH0344 - 3 Gbps HD/SD SDI 自适应电缆均衡器

LMH0344是TI德州仪器公司的一款串行数字接口产品，LMH0344是3 Gbps HD/SD SDI 自适应电缆均衡器，本站介绍了LMH0344的封装应用图解、特点和优点、功能等，并给出了与LMH0344相关的TI元器件型号供参考。

LMH0344 - 3 Gbps HD/SD SDI 自适应电缆均衡器 - 串行数字接口 - 视频：广播和专业 - 德州仪器

产品特性

Compliant With ST 424, ST 292, ST 344, and ST 259(8)
Supports DVB-ASI at 270 Mbps
Wide Range of Data Rates: 125 Mbps to 2.97 Gbps
Equalizes up to 120 Meters of Belden 1694A at 2.97 Gbps, up to 140 Meters of Belden 1694A at 1.485 Gbps, or up to 400 Meters of Belden 1694A at 270 Mbps
Equalizes up to 120m of Belden 1694A at 2.97 Gbps With 0.3 UI Maximum Output Jitter
Manual Bypass and Output Mute With a Programmable Threshold
Single-Ended or Differential Input
50-Ω Differential Outputs (Internal 50-Ω Pullups)
Single 3.3-V Supply Operation
280-mW Typical Power Consumption
16-Pin WQFN or 25-Ball CS-BGA Package
Industrial Temperature Range: −40°C to +85°C
HBM ESD Rating: 8 kV
WQFN Version Footprint Compatible With the LMH0044, LMH0384, and LMH0074
Replaces the Semtech GS2974A or GS2974B

产品应用

ST 424, ST 292, ST 344, and ST 259 Serial Digital Interfaces(8)
Serial Digital Data Equalization and Reception
Data Recovery Equalization

产品说明

The LMH0344 3-Gbps HD – SD SDI Adaptive Cable Equalizer is designed to equalize data transmitted over cable (or any media with similar dispersive loss characteristics). The equalizer operates over a wide range of data rates from 125 Mbps to 2.97 Gbps and supports ST 424, ST 292, ST 344, and ST 259.

The LMH0344 device implements DC restoration to correctly handle pathological data conditions. The equalizer may be driven in either a single-ended or differential configuration.

Additional features include separate carrier detect and output mute pins which may be tied together to mute the output when no signal is present. A programmable mute reference is provided to mute the output at a selectable level of signal degradation.

For applications using the 4:4:4:4 10 bits video format, the LMH0394 cable equalizer will provide better performance.

The device is available in two space–saving packages: a 4-mm × 4-mm 16-pin WQFN and even more space-efficient 3-mm × 3-mm 25-ball CS-BGA package.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
LMH0344	WQFN (16)	4.00 mm × 4.00 mm
LMH0344	CS-BGA (25)	3.00 mm × 3.00 mm

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