Datasheet > DS25MB100

DS25MB100

更新时间： 2024-11-24 11:12:47

品牌	Logo	应用领域
德州仪器 - TI		复用器
页数	文件大小	规格书
23页	850K
描述
具有发送预加重和接收均衡功能的 2.5Gbps 2:1/1:2 CML 多路复用器/缓冲器

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DS25MB100

SNLS243H –SEPTEMBER 2006–REVISED MARCH 2016

DS25MB100 2.5 Gbps 2:1/1:2 CML Mux/Buffer With Transmit Pre-Emphasis and Receive

Equalization

1 Features

3 Description

The DS25MB100 device is a signal conditioning 2:1

multiplexer and 1:2 fan-out buffer designed for use in

backplane-redundancy or cable driving applications.

Signal conditioning features include continuous time

linear equalization (CTLE) and programmable output

pre-emphasis that enable data communication in FR4

backplane up to 2.5 Gbps. Each input stage has a

fixed equalizer to reduce ISI distortion from board

traces.

•

2:1 Multiplexer and 1:2 Buffer

0.25-Gbps to 2.5-Gbps Fully Differential Data

Paths

•

Fixed Input Equalization

Programmable Output Pre-Emphasis

Independent Pre-Emphasis Controls

Programmable Loopback Modes

On-Chip Terminations

All output drivers have four selectable levels of pre-

emphasis to compensate for transmission losses from

long FR4 backplane or cable attenuation reducing

deterministic jitter. The pre-emphasis levels can be

independently controlled for the line-side and switch-

side drivers. The internal loopback paths from switch-

side input to switch-side output enable at-speed

system testing. All receiver inputs are internally

terminated with 100-Ω differential terminating

resistors. All driver outputs are internally terminated

ESD Rating of 6-kV HBM

3.3-V Supply

Low power, 0.45 W Typical

Lead-Less WQFN-36 Package

−40°C to +85°C Operating Temperature Range

2 Applications

•

Backplane Drivers or Cable Driver

Redundancy and Signal Conditioning Applications

CPRI/OBSAI

with 50-Ω terminating resistors to V_CC

Device Information⁽¹⁾

PART NUMBER

PACKAGE

WQFN (36)

BODY SIZE (NOM)

6.00 mm × 6.00 mm

DS25MB100

(1) For all available packages, see the orderable addendum at

the end of the data sheet.

Simplified Block Diagram

Switch Side

Line Side

IN0 +-

EQS

OUT+-

DE_L

MUX

IN1 +-

LB0

OUT0 +-

DE_S

OUT1 +-

LB1

IN+-

EQL

DEL_0

DEL_1

VCC

GND

RSV

DE_L

Pre- emphasis

Control

DES_0

DES_1

DE _S

All CML inputs and outputs must be AC coupled for optimal performance.

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

12 3 4 5 6 7...23

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DS25MB100 替代型号

型号	品牌	替代类型	描述	数据表
DS15MB200	TI	功能相似	具有预加重功能的双路 1.5Gbps 2:1/1:2 LVDS 多路复用器/缓冲器
DS42MB100	TI	功能相似	具有发送预加重和接收均衡功能的 4.25Gbps 2:1/1:2 CML 多路复用器/缓冲
DS40MB200	TI	功能相似	Dual 4-Gbps 2:1/1:2 CML MUX/Buffer

与DS25MB100相关器件

型号	品牌	获取价格	描述	数据表
DS25MB100_0712	NSC	获取价格	2.5 Gbps 2:1/1:2 CML Mux/Buffer with Transmit De-Emphasis and Receive Equalization
DS25MB100TSQ	NSC	获取价格	2.5 Gbps 2:1/1:2 CML Mux/Buffer with Transmit De-Emphasis and Receive Equalization
DS25MB100TSQ/NOPB	TI	获取价格	具有发送预加重和接收均衡功能的 2.5Gbps 2:1/1:2 CML 多路复用器/缓冲器
DS25MB100TSQX	NSC	获取价格	IC DUAL LINE TRANSCEIVER, QCC36, LLP-36, Line Driver or Receiver
DS25MB100TSQX/NOPB	TI	获取价格	具有发送预加重和接收均衡功能的 2.5Gbps 2:1/1:2 CML 多路复用器/缓冲器
DS25MB200	TI	获取价格	具有发送预加重和接收均衡功能的双路 2.5Gbps 2:1/1:2 CML 多路复用器/缓
DS25MB200	NSC	获取价格	Dual 2.5 Gbps 2:1/1:2 CML Mux/Buffer with Transmit Pre- Emphasis and Receive Equalization
DS25MB200_07	NSC	获取价格	Dual 2.5 Gbps 2:1/1:2 CML Mux/Buffer with Transmit Pre-Emphasis and Receive Equalization
DS25MB200_08	NSC	获取价格	Dual 2.5 Gbps 2:1/1:2 CML Mux/Buffer with Transmit Pre- Emphasis and Receive Equalization
DS25MB200TSQ	NSC	获取价格	Dual 2.5 Gb/s 1:2 Mux/Buffer with Input Equalization and Output Pre-Emphasis

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