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參數(shù)資料
| 型號(hào)： | MAX3982UTE+ |
| 廠商： | Maxim Integrated Products |
| 文件頁(yè)數(shù)： | 4/15頁(yè) |
| 文件大小： | 0K |
| 描述： | IC DRIVER SFP CABLE 16-TQFN |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 100 |
| 類型： | 驅(qū)動(dòng)器 |
| 驅(qū)動(dòng)器/接收器數(shù)： | 1/0 |
| 電源電壓： | 3 V ~ 3.6 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-WFQFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 16-TQFN-EP（3x3） |
| 包裝： | 管件 |
| 產(chǎn)品目錄頁(yè)面： | 1408 (CN2011-ZH PDF) |
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MAX3982
Applications Information
Autodetect
The MAX3982 can automatically detect an incoming
signal and enable the data outputs. Autodetect can be
accomplished by connecting the LOS pin to TX_DIS-
ABLE. TX_DISABLE has a 10k
Ω internal pullup resistor.
If a loss-of-signal is detected, the TX_DISABLE pin is
forced high and disables the outputs. Leaving the
inputs to the MAX3982 open (i.e., floating) is not recom-
mended as noise amplification may occur and create
undesirable output signals. Autodetect is recommend-
ed to eliminate noise amplification or possible oscilla-
tion. For periods much greater than 100ns without data
transitions, autodetect disables the output.
Layout Considerations
Circuit board layout and design can significantly affect
the performance of the MAX3982. Use good high-fre-
quency design techniques, including minimizing ground
inductance and using controlled-impedance transmis-
sion lines on the data signals. Power-supply decoupling
should also be placed as close to the VCC pins as possi-
ble. This should be sufficient supply filtering. Always con-
nect all VCC pins to a power plane. Take care to isolate
the input from the output signals to reduce feedthrough.
Exposed Pad Package
The exposed-pad, 16-pin QFN package incorporates
features that provide a very low thermal resistance path
for heat removal from the IC. The exposed pad on the
MAX3982 must be soldered to the circuit board for
proper thermal performance. For more information on
exposed-pad packages, refer to Maxim Application
Note HFAN-08.1: Thermal Considerations of QFN and
Other Exposed-Paddle Packages.
SFP Copper-Cable Preemphasis Driver
12
______________________________________________________________________________________
Ratio
α
10Gbase–CX4
IN dB
1.26
0.11
0.21
2
1.58
0.23
0.37
4
2.51
0.43
0.6
8
5.01
0.67
0.8
14
V
HIGH PP
LOW PP
_
VV
HIGH PP
LOW PP
HIGH PP
LOW PP
__
+
1
_
V
LOW PP
HIGH PP
20 log
_
V
HIGH PP
LOW PP
VLOW_PP VHIGH_PP
VCC1
IN+
GND
IN-
50
Ω
50
Ω
Figure 5. IN+/IN- Equivalent Input Structure
GND
VCC2
50
Ω
50
Ω
OUT+
OUT-
Figure 6. OUT+/OUT- Equivalent Output Structure
Interface Schematics
Table 1. Preemphasis Translation
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX3982UTE+ | 功能描述:均衡器 SFP Copper-Cable Preemphasis Driver RoHS:否 制造商:Texas Instruments |
| MAX3982UTE+T | 功能描述:IC DRIVER SFP CABLE 16-TQFN RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:1,240 系列:GD 類型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):3/5 規(guī)程:RS232 電源電壓:4.5 V ~ 5.5 V 安裝類型:通孔 封裝/外殼:20-DIP（0.300"，7.62mm） 供應(yīng)商設(shè)備封裝:20-PDIP 包裝:管件 |
| MAX3982UTE-T | 制造商:Maxim Integrated Products 功能描述:SFP COPPER-CABLE PREEMPHASIS DRIVER - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC DRIVER SFP CABLE 16-TQFN 制造商:Maxim Integrated Products 功能描述:Equalizers SFP Copper-Cable Preemphasis Driver |
| MAX3983EVKIT | 功能描述:通信集成電路 - 若干 Evaluation Kit for the MAX3983 RoHS:否 制造商:Maxim Integrated 類型:Transport Devices 封裝 / 箱體:TECSBGA-256 數(shù)據(jù)速率:100 Mbps 電源電壓-最大:1.89 V, 3.465 V 電源電壓-最小:1.71 V, 3.135 V 電源電流:50 mA, 225 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Tube |
| MAX3983SMAEVKIT | 功能描述:通信集成電路 - 若干 Evaluation Kit for the MAX3983 SMA Connector RoHS:否 制造商:Maxim Integrated 類型:Transport Devices 封裝 / 箱體:TECSBGA-256 數(shù)據(jù)速率:100 Mbps 電源電壓-最大:1.89 V, 3.465 V 電源電壓-最小:1.71 V, 3.135 V 電源電流:50 mA, 225 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Tube |
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