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参数资料
| 型号： | MAX3982UTE+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 4/15页 |
| 文件大小： | 0K |
| 描述： | IC DRIVER SFP CABLE 16-TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 驱动器 |
| 驱动器/接收器数： | 1/0 |
| 电源电压： | 3 V ~ 3.6 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-WFQFN 裸露焊盘 |
| 供应商设备封装： | 16-TQFN-EP（3x3） |
| 包装： | 带卷 (TR) |
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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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX3983EVKIT | 功能描述:通信集成电路 - 若干 Evaluation Kit for the MAX3983 RoHS:否 制造商:Maxim Integrated 类型:Transport Devices 封装 / 箱体:TECSBGA-256 数据速率:100 Mbps 电源电压-最大:1.89 V, 3.465 V 电源电压-最小:1.71 V, 3.135 V 电源电流:50 mA, 225 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Tube |
| MAX3983SMAEVKIT | 功能描述:通信集成电路 - 若干 Evaluation Kit for the MAX3983 SMA Connector RoHS:否 制造商:Maxim Integrated 类型:Transport Devices 封装 / 箱体:TECSBGA-256 数据速率:100 Mbps 电源电压-最大:1.89 V, 3.465 V 电源电压-最小:1.71 V, 3.135 V 电源电流:50 mA, 225 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Tube |
| MAX3983UGK | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
| MAX3983UGK+D | 功能描述:IC SIGNAL COND QUAD 68-QFN RoHS:是 类别:集成电路 (IC) >> 接口 - 传感器和探测器接口 系列:- 其它有关文件:Automotive Product Guide 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:74 系列:- 类型:触控式传感器 输入类型:数字 输出类型:数字 接口:JTAG，串行 电流 - 电源:100µA 安装类型:表面贴装 封装/外壳:20-TSSOP（0.173"，4.40mm 宽） 供应商设备封装:20-TSSOP 包装:管件 |
| MAX3983UGK+TD | 功能描述:IC SIGNAL COND QUAD 68-QFN RoHS:是 类别:集成电路 (IC) >> 接口 - 传感器和探测器接口 系列:- 其它有关文件:Automotive Product Guide 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:74 系列:- 类型:触控式传感器 输入类型:数字 输出类型:数字 接口:JTAG，串行 电流 - 电源:100µA 安装类型:表面贴装 封装/外壳:20-TSSOP（0.173"，4.40mm 宽） 供应商设备封装:20-TSSOP 包装:管件 |
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