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參數資料
| 型號： | ADM5104 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Four-channel FastFast Ethernet 110Base-TX Transceiver(四通道110Base-TX快速以太網收發器) |
| 中文描述： | 四通道FastFast以太網110Base -得克薩斯州收發器（四通道110Base -得克薩斯州快速以太網收發器） |
| 文件頁數： | 1/8頁 |
| 文件大小： | 75K |
| 代理商： | ADM5104 |
REV. 0
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
a
ADM5104
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 617/329-4700
World Wide Web Site: http://www.analog.com
Fax: 617/326-8703
Analog Devices, Inc., 1997
DATA
TECHNICAL
LowPower Quad NRZ to Transformer
Fast Ethernet 110Base-TX Transceiver
FUNCT IONAL BLOCK DIAGRAM
CMOS
INPUT
CMOS
INPUT
ECL
INPUT
LINE
DRIVER
NRZI TO
MLT3
MLT3 TO
NRTI
BASE LINE
RESTORE
MLT3_DIS
TGND1
ECL
OUTPUT
ECL
OUTPUT
LOOPBACK
MUX
SIGNAL
DETECT
ADAPTIVE
EQUALIZE
T1–
TVCC1
T1+
RD1+
RD1–
SD1+
SD1–
TDI–
TDI+
LPBCK1
RVCC1
R1+
R1–
CEQ1+
CEQ1–
CHANNEL 1
RGND1
EVCC1
RSET1
ADM5104
CHANNEL 2
CHANNEL 3
CHANNEL 4
FEATURES
Four 100 TX to Match One Quad Transformer
Compliant to 802.3u 110Base-TX
Equalization and Base Line Wander Correction
Low Power, Typ 300 mW per Channel
Differential Transformer Interface for Transmit and
Receive Channels
NRZ PECL ASIC Interface
Loopback and Power-Down Modes
Resistor Programmed Drive Currents
Adaptive Equalizer Capacitively Adjustable
GE NE RAL DE SCRIPT ION
T he ADM5104 is a four-channel 110Base-T X transceiver for
multichannel Fast Ethernet interfaces. For minimum pin count
and power, the 125 MHz differential PECL interface is well
matched to digital controller ASICs. With a four-channel trans-
former, this transceiver manages the high speed analog trans-
mission and the equalization and detection of the MLT 3 T X
signal over 100 meters of Category 5 UT P. Including the PECL
and transformer loads, the chip power level is typically less than
1 1/2 W for all four channels in an 80-terminal T QFP.
APPLIC AT IONS
Intelligent Hubs, Repeaters
Multichannel 100 T X interfaces
PRODUCT HIGHLIGHT S
1. Specified for 5 V supplies.
2. Low power and compact package for four channels.
3. Complete analog I/O silicon to NRZ interface.
4. IEEE 802.3 Compliant 110Base-T X .
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