Datasheet > MAX9157EGJ+

MAX9157EGJ+

更新时间： 2024-11-21 19:19:11

品牌	Logo	应用领域
美信 - MAXIM		接口集成电路
页数	文件大小	规格书
16页	352K
描述
Line Transceiver

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技术参数
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MAX9157EGJ+ 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Obsolete	包装说明：	,
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.69
接口集成电路类型：	LINE TRANSCEIVER	湿度敏感等级：	1
峰值回流温度（摄氏度）：	NOT SPECIFIED	处于峰值回流温度下的最长时间：	NOT SPECIFIED
Base Number Matches：	1

MAX9157EGJ+ 数据手册

19-2287; Rev 0; 1/02

Quad Bus LVDS Transceiver

General Description

Features

The MAX9157 is a quad bus LVDS (BLVDS) transceiver

for heavily loaded, half-duplex multipoint buses. Small

32-pin QFN and TQFP packages and flow-through

pinouts allow the transceiver to be placed near the con-

nector for the shortest possible stub length. The

MAX9157 drives LVDS levels into a 27Ω load (double

terminated, heavily loaded LVDS bus) at up to

200Mbps. An input fail-safe circuit ensures the receiver

output is high when the differential inputs are open, or

undriven and shorted, or undriven and terminated. The

MAX9157 differential inputs feature 52mV hysteresis for

greater immunity to bus noise and reflections. The

MAX9157 operates from a single 3.3V supply, consum-

ing 80.9mA supply current with drivers enabled, and

22.7mA with drivers disabled.

ꢀ 32-TQFP and Space-Saving 32-QFN Packages

ꢀ 52mV LVDS Input Hysteresis

ꢀ 1ns (min) Transition Time (0% to 100%) Minimizes

Reflections

ꢀ Guaranteed 7.2pF (max) Bus Load Capacitance

ꢀ Glitch-Free Power-Up and Power-Down

ꢀ Hot-Swappable, High-Impedance I/O with V

= 0

or Open

ꢀ Guaranteed 200Mbps Driver Data Rate

ꢀ Fail-Safe Circuit

ꢀ Flow-Through Pinout

The MAX9157’s high-impedance I/Os (except for

receiver outputs) when V

= 0 or open, combined

with glitch-free power-up and power-down, allow hot

swapping of cards in multicard bus systems; 7.2pF

(max) BLVDS I/O capacitances minimize bus loading.

The MAX9157 is offered in 5mm ✕ 5mm 32-pin QFN and

TQFP packages. The MAX9157 is fully specified for the

-40°C to +85°C extended temperature range. Refer to

the MAX9129 data sheet for a quad BLVDS driver, ideal

for dual multipoint full-duplex buses.

Ordering Information

PART

TEMP RANGE

PIN-PACKAGE

MAX9157EGJ

MAX9157EHJ

-40°C to +85°C

32 QFN (5mm ✕ 5mm)

32 TQFP (5mm ✕ 5mm)

Applications

Add/Drop Muxes

Cellular Phone Base

Stations

Pin Configurations appear at end of data sheet.

Functional Diagram appears at end of data sheet.

Digital Cross-Connects

DSLAMs

Network

Switches/Routers

Multipoint Buses

Typical Operating Circuit

MAX9157

CARD 15

MAX9157

CARD 1

CARD 16

1in CARD

SPACING

Rt = 54Ω

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

12 3 4 5 6 7...16

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与MAX9157EGJ+相关器件

型号	品牌	获取价格	描述	数据表
MAX9157EGJ-T	MAXIM	获取价格	Line Transceiver, 4 Func, 4 Driver, 4 Rcvr, CMOS, CQCC32, 5 X 5 MM, 0.90 MM HEIGHT, QFN-32
MAX9157EHJ	MAXIM	获取价格	Quad Bus LVDS Transceiver
MAX9157EHJ+	MAXIM	获取价格	暂无描述
MAX9157EHJ+T	MAXIM	获取价格	Line Transceiver, 4 Func, 4 Driver, 4 Rcvr, CMOS, PQFP32, 5 X 5 MM, 1 MM HEIGHT, TQFP-32
MAX9158	MAXIM	获取价格	Quad Bus LVDS Transceiver in 44 QFN
MAX9158EGM	MAXIM	获取价格	Quad Bus LVDS Transceiver in 44 QFN
MAX9158EGM-T	MAXIM	获取价格	暂无描述
MAX9159	MAXIM	获取价格	Dual LVDS Line Receiver
MAX9159ESA	MAXIM	获取价格	Dual LVDS Line Receiver
MAX9159ESA-T	MAXIM	获取价格	Line Receiver, 2 Func, 2 Rcvr, CMOS, PDSO8, 0.150 INCH, MS-012A, SOIC-8

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