ML4665 datasheet(1/13 Pages) MICRO-LINEAR

Teilenummer	ML4665

Bauteilbeschribung	Low Cost Single Chip 10BASE-FL Transceiver

PDF	13 Pages

Scroll/Zoom	100%

Hersteller	MICRO-LINEAR [Micro Linear Corporation]

Direct Link	http://www.microlinear.com

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1 / 13 page

March 1997

ML4665

Low Cost Single Chip 10BASE-FL Transceiver

GENERAL DESCRIPTION

The ML4665 is a low power, low cost, single chip

10BASE-FL transceiver. The ML4665 contains a fiber optic

data quantizer and an LED output driver for direct

connection to an optical module(s). The ML4665 offers a

standard IEEE 802.3 AU interface that allows it to be

directly connected to industry standard manchester

encoder/decoder chips or an AUI connector.

The ML4665 provides a highly integrated solution that

requires a minimal number of external components. The

transmitter offers a 100mA maximum current drive output

that directly drives a fiber optic LED transmitter. The

receiver offers a highly stable fiber optic data quantizer

capable of accepting input signals as low as 2mVP-P with

a 55dB dynamic range.

The ML4665 is a lower cost version of the industry

standard ML4663. To achieve lower cost, the ML4665

eliminates some functionality (as described below) and is

packaged in a 20-lead PLCC package.

FEATURES

s

Lower cost single chip solution for 10BASE-FL internal

or external Medium Attachment Units (MAUs)

s

Incorporates an AU interface

s

Highly stable data quantizer with 55dB input

dynamic range

s

Input sensitivity as low as 2mVP-P

s

100mA maximum current driven fiber optic LED driver

for accurate launch power

s

Single +5 volt supply

s

No crystal or clock required

s

Link monitor LED indicator

1

BLOCK DIAGRAM

AUI

RECEIVER

Tx

SQUELCH

AUI

DRIVER

AUI

DRIVER

10MHz GATED

OSCILLATOR

LOOPBACK

MUX

JABBER

RECEIVE SQUELCH

LINK DETECT

VREF

FIBER OPTIC

LED

DRIVER

1MHz IDLE

SIGNAL

COL

GND

VCC

(+5V)

+5V

AGND

LBDIS

CTIMER

RRSET

Tx

Rx

BIAS

VCCTx

(+5V)

+5V

RTSET

Tx+

Tx–

COL+

COL–

Rx+

Rx–

AVCC

TxOUT

LMON

VIN+

VDC

VIN-

∫

CMP

AMP

2

3

4

5

8

7

14

6

10

1

17

15

16

18

19

11

13

20

9

12

Ähnliche Beschreibung - ML4665

Hersteller	Teilenummer	Datenblatt	Bauteilbeschribung
Agilent(Hewlett-Packard...	HFBR-4663	233Kb / 15P	Single Chip 10BASE-FL Transceiver
Micro Linear Corporatio...	ML4662	239Kb / 12P	10BASE-FL Transceiver
	ML4663	204Kb / 15P	Single Chip 10BASE-FL Transceiver
	ML4664	286Kb / 16P	10BASE-FL to 10BASE-T Converter
	ML4667	170Kb / 12P	Low Power 10BASE-FL Transceiver
	ML4668	196Kb / 14P	Low Power Single Chip 10BASE-FL Transceiver
Texas Instruments	CC2500	1Mb / 76P	Single Chip Low Cost Low Power RF Transceiver
List of Unclassifed Man...	CC1100	804Kb / 70P	CC1100 Single Chip Low Cost Low Power RF-Transceiver
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IC MICROSYSTEMS	ICM7102B	364Kb / 12P	LOW COST SINGLE CHIP TELEPHONE IC

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