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參數資料
| 型號： | MAX3981UTH+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數： | 1/9頁 |
| 文件大小： | 0K |
| 描述： | IC XAUI QUAD EQUAL 44-TQFN |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 2,500 |
| 系列： | * |
| 應用： | * |
| 接口： | * |
| 電源電壓： | * |
| 封裝/外殼： | 44-WFQFN 裸露焊盤 |
| 供應商設備封裝： | 44-TQFN-EP（7x7） |
| 包裝： | 帶卷 (TR) |
| 安裝類型： | 表面貼裝 |
General Description
The MAX3981 quad equalizer provides compensation
for transmission medium losses for four “l(fā)anes” of digi-
tal NRZ data at a data rate of 3.125Gbps in one
package. It is tailor-made for 10Gigabit Ethernet appli-
cations that require attenuation of noise and jitter that
occur in communicating with chassis-to-chassis inter-
connect. In support of IEEE-802.3ae for the XAUI inter-
face, the MAX3981 adaptively allows XAUI lanes to
reach 10m (33ft) with inexpensive twin-axial cable for
extended backplane applications.
The equalizer has 100
Ω differential CML data inputs
and outputs.
The MAX3981 is available in a 44-pin exposed-pad
QFN package. The MAX3981 consumes only 700mW at
3.3V or 175mW per channel.
Applications
IEEE–802.3ae XAUI Interface (3.125Gbps)
InfiniBandSM (2.5Gbps)
Features
Four Differential Digital Data “Lanes” at
3.125Gbps
Span 10m (33ft) of Twin-Axial Cable
Receiver Equalization Reduces Intersymbol
Interference (ISI)
Low Power, 175mW per Channel
Standby Mode—Power-Down State
Single 3.3V Supply
Signal Detect
MAX3981
3.125Gbps XAUI Quad Cable Equalizer
________________________________________________________________
Maxim Integrated Products
1
Ordering Information
LINE CARD
PMD
MAC
Rx
Tx
Rx
Tx
10GbE
4
4 x 3.125Gbps
SWITCH CARD
MAX3981
OUT
IN
3.3V
SUPPLY
MAX3981
IN
OUT
3.3V
SUPPLY
10m (33ft)100
Ω
TWIN-AX CABLE
SWITCH
Rx
Tx
Typical Operating Circuit
19-2178; Rev 2; 12/08
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
Pin Configuration appears at end of data sheet.
*
EP = Exposed pad.
PART
TEMP RANGE
PIN-PACKAGE
MAX3981UGH
0°C to +85°C
44 QFN-EP*
InfiniBand is a trademark and service mark of the InfiniBand Trade Association.
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