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参数资料
| 型号： | MAX3681EAG+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 6/8页 |
| 文件大小： | 0K |
| 描述： | IC 1:4 DESERIALIZR W/LVDS 24SSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,000 |
| 功能： | 解串器 |
| 数据速率： | 622Mbps |
| 输入类型： | LVDS |
| 输出类型： | LVDS |
| 输入数： | 1 |
| 输出数： | 4 |
| 电源电压： | 3 V ~ 3.6 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-SSOP（0.209"，5.30mm 宽） |
| 供应商设备封装： | 24-SSOP |
| 包装： | 带卷 (TR) |
MAX3681
Low-Voltage Differential-Signal (LVDS)
Inputs and Outputs
The MAX3681 features LVDS inputs and outputs for
interfacing with high-speed digital circuitry. The LVDS
standard is based on the IEEE 1596.3 LVDS specifica-
tion. This technology uses 250mVp-p to 400mVp-p, dif-
ferential low-voltage swings to achieve fast transition
times, minimized power dissipation, and noise immunity.
The parallel clock and data LVDS outputs (PCLK+,
PCLK-, PD_+, PD_-) require 100
Ω differential DC termi-
nation between the inverting and noninverting outputs
for proper operation. Do not terminate these outputs to
ground.
The synchronization LVDS inputs (SYNC+, SYNC-) are
internally terminated with 100
Ω of differential input
resistance, and therefore do not require external termi-
nation.
PECL Inputs
The serial data and clock PECL inputs (SD+, SD-,
SCLK+, SCLK-) require 50
Ω termination to (VCC - 2V)
when interfacing with a PECL source (see the
Alternative PECL Input Termination section).
__________Applications Information
Alternative PECL Input Termination
Figure 4 shows alternative PECL input-termination
methods. Use Thevenin-equivalent termination when a
(VCC - 2V) termination voltage is not available. If AC
coupling is necessary, such as when interfacing with
an ECL-output device, use the ECL AC-coupling termi-
nation.
Layout Techniques
For best performance, use good high-frequency layout
techniques. Filter voltage supplies and keep ground
connections short. Use multiple vias where possible.
Also, use controlled impedance transmission lines to
interface with the MAX3681 data inputs and outputs.
+3.3V, 622Mbps, SDH/SONET
1:4 Deserializer with LVDS Outputs
6
_______________________________________________________________________________________
MAX3681
PECL
INPUTS
ZO = 50
Ω
ZO = 50
Ω
130
Ω
82
Ω
130
Ω
82
Ω
+3.3V
MAX3681
PECL
INPUTS
ZO = 50
Ω
50
Ω
ZO = 50
Ω
1.6k
2.7k
1.6k
2.7k
+3.3V
-2V
50
Ω
-2V
THEVENIN-EQUIVALENT TERMINATION
ECL AC-COUPLING TERMINATION
Figure 4. Alternative PECL Input Termination
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX3681EAG-TG068 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX3681EVKIT-SO | 功能描述:界面开发工具 Evaluation Kit for the MAX3681 RoHS:否 制造商:Bourns 产品:Evaluation Boards 类型:RS-485 工具用于评估:ADM3485E 接口类型:RS-485 工作电源电压:3.3 V |
| MAX368C/D | 功能描述:多路器开关 IC RoHS:否 制造商:Texas Instruments 通道数量:1 开关数量:4 开启电阻（最大值）:7 Ohms 开启时间（最大值）: 关闭时间（最大值）: 传播延迟时间:0.25 ns 工作电源电压:2.3 V to 3.6 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UQFN-16 |
| MAX368CJN | 功能描述:多路器开关 IC RoHS:否 制造商:Texas Instruments 通道数量:1 开关数量:4 开启电阻（最大值）:7 Ohms 开启时间（最大值）: 关闭时间（最大值）: 传播延迟时间:0.25 ns 工作电源电压:2.3 V to 3.6 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UQFN-16 |
| MAX368CPN | 功能描述:多路器开关 IC RoHS:否 制造商:Texas Instruments 通道数量:1 开关数量:4 开启电阻（最大值）:7 Ohms 开启时间（最大值）: 关闭时间（最大值）: 传播延迟时间:0.25 ns 工作电源电压:2.3 V to 3.6 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UQFN-16 |
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