MAX9391

更新时间： 2024-11-23 22:25:27

品牌	Logo	应用领域
美信 - MAXIM		开关
页数	文件大小	规格书
14页	371K
描述
Anything-to-LVDS Dual 2 x 2 Crosspoint Switches

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数据手册

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MAX9391 数据手册

19-2829; Rev 1; 7/03

Anything-to-LVDS Dual 2 x 2

Crosspoint Switches

General Description

Features

The MAX9390/MAX9391 dual 2 x 2 crosspoint switches

perform high-speed, low-power, and low-noise signal

distribution. The MAX9390/MAX9391 multiplex one of two

differential input pairs to either or both low-voltage differ-

ential signaling (LVDS) outputs for each channel.

Independent enable inputs turn on or turn off each differ-

ential output pair.

ꢀ 1.5GHz Operation with 250mV Differential Output

Swing

ꢀ 2ps

(max) Random Jitter

(RMS)

ꢀ AC Specifications Guaranteed for 150mV

Differential Input

ꢀ Signal Inputs Accept Any Differential Signaling

Standard

Four LVCMOS/LVTTL logic inputs (two per channel) con-

trol the internal connections between inputs and outputs.

This flexibility allows for the following configurations: 2 x 2

crosspoint switch, 2:1 mux, 1:2 splitter, or dual repeater.

This makes the MAX9390/MAX9391 ideal for protection

switching in fault-tolerant systems, loopback switching for

diagnostics, fanout buffering for clock/data distribution,

and signal regeneration.

ꢀ LVDS Outputs for Clock or High-Speed Data

ꢀ High-Level Input Fail-Safe Detection (MAX9390)

ꢀ Low-Level Input Fail-Safe Detection (MAX9391)

ꢀ +3.0V to +3.6V Supply Voltage Range

ꢀ LVCMOS/LVTTL Logic Inputs Control Signal

Routing

Fail-safe circuitry forces the outputs to a differential low

condition for undriven inputs or when the common-

mode voltage exceeds the specified range. The

MAX9390 provides high-level input fail-safe detection

for LVDS, HSTL, and other GND-referenced differential

inputs. The MAX9391 provides low-level input fail-safe

Ordering Information

PART

MAX9390EHJ

MAX9390ETJ*

MAX9391EHJ

MAX9391ETJ*

TEMP RANGE

-40°C to +85°C

PIN-PACKAGE

32 TQFP

32 Thin QFN

32 TQFP

detection for LVPECL, CML, and other V -referenced

differential inputs.

32 Thin QFN

Ultra-low 82ps

(max) pseudorandom bit sequence

(P-P)

*Future product—contact factory for availability.

(PRBS) jitter ensures reliable communications in high-

speed links that are highly sensitive to timing error,

especially those incorporating clock-and-data recovery,

or serializers and deserializers. The high-speed switch-

ing performance guarantees 1.5GHz operation and less

than 65ps (max) skew between channels.

Pin Configurations

TOP VIEW

LVDS inputs and outputs are compatible with the

TIA/EIA-644 LVDS standard. The LVDS outputs drive

100 loads. The MAX9390/MAX9391 are offered in a

32-pin TQFP and 5mm x 5mm thin QFN package with

exposed paddle and operate over the extended tem-

perature range (-40°C to +85°C).

32 31 30 29 28 27 26 25

ENB1

OUTB1

GND

24 V

OUTA0

22 OUTA0

21 ENA0

20 GND

Also refer to the MAX9392/MAX9393 with flow-through

pinout.

MAX9390

MAX9391

ENB0

Applications

19 OUTA1

18 OUTA1

17 ENA1

OUTB0

High-Speed Telecom/Datacom Equipment

Central-Office Backplane Clock Distribution

DSLAM

Protection Switching

10 11 12 13 14 15 16

Fault-Tolerant Systems

TQFP

Functional Diagram and Typical Operating Circuit appear at

end of data sheet.

Pin Configurations continued at end of data sheet.

________________________________________________________________ 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...14

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与MAX9391相关器件

型号	品牌	获取价格	描述	数据表
MAX9391EHJ	MAXIM	获取价格	Anything-to-LVDS Dual 2 x 2 Crosspoint Switches
MAX9391EHJ	ROCHESTER	获取价格	DUAL 2-CHANNEL, CROSS POINT SWITCH, PQFP32, 5 X 5 MM, 1 MM HEIGHT, MS-026, TQFP-32
MAX9391EHJ+	MAXIM	获取价格	Anything-to-LVDS Dual 2 x 2 Crosspoint Switches
MAX9391EHJ-T	MAXIM	获取价格	Cross Point Switch, 2 Func, 2 Channel, BIPolar, PQFP32, 5 X 5 MM, 1 MM HEIGHT, MS-026, TQF
MAX9391ETJ	MAXIM	获取价格	Anything-to-LVDS Dual 2 x 2 Crosspoint Switches
MAX9391ETJ-T	MAXIM	获取价格	Cross Point Switch, 2 Func, 2 Channel, BIPolar, 5 X 5 MM, 0.80 MM HEIGHT, TQFN-32
MAX9392	MAXIM	获取价格	Anything-to-LVDS Dual 2 x 2 Crosspoint Switches
MAX9392	ADI	获取价格	任意逻辑至LVDS、双路、2 x 2交叉点开关
MAX9392_07	MAXIM	获取价格	Anything-to-LVDS Dual 2 x 2 Crosspoint Switches
MAX9392\|MAX9393	MAXIM	获取价格	Anything-to-LVDS Dual 2 x 2 Crosspoint Switches

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