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参数资料
| 型号： | MAX3861EGG |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 12/13页 |
| 文件大小： | 0K |
| 描述： | IC POST AMP 2.7GBPS W/AGC 24TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS |
| 产品变化通告： | Product Discontinuation 20/Feb/2012 |
| 标准包装： | 75 |
| 类型： | 后置放大器 |
| 应用： | 光纤学网络 |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-WFQFN 裸露焊盘 |
| 供应商设备封装： | 24-TQFN-EP（4x4） |
| 包装： | 管件 |
IN+
IN-
50
VCC
VCC
OUT-
OUT+
50
Figure 2. Input Interface
Figure 3. Output Interface
MAX3861
Select the Coupling Capacitors
When AC-coupling is desired, select coupling capaci-
tors CIN and COUT to minimize the receiver’s determin-
istic jitter. Jitter is decreased as the input low-frequency
cutoff (fIN) is decreased.
For ATM/SONET or other applications using scrambled
NRZ data, select (CIN, COUT) ≥ 0.1F, which provides
fIN < 32kHz. For Fibre Channel, Gigabit Ethernet, and
other applications using 8B/10B data coding, select
(CIN, COUT) ≥ 0.01F, which provides fIN < 320kHz.
Setting the Offset-Cancellation Loop Time
Constant for Input Signal Detection
Circuitry (Selecting CCD)
The capacitor between CD+ and CD- determines the
time constant of the input signal detection DC offset-
cancellation loop. A value of 0.1F for CCD provides a
low-frequency cutoff (fC) below 10kHz. If a lower cutoff
frequency is desired, 0.22F gives fC = 4.5kHz and
0.47F gives fC = 2.1kHz. To guarantee stable opera-
tion, do not use a capacitor of less than 0.01F.
Setting the Offset-Cancellation Loop Time
Constant for the Main Signal Path
(Selecting CCZ)
The capacitor between CZ+ and CZ- determines the
time constant of the signal path DC offset-cancellation
loop. To maintain stability, keep a one-decade separa-
tion between fIN and the low-frequency cutoff (fOC)
associated with the DC offset-cancellation circuit. For
SONET applications, fIN < 32kHz, so fOCMAX < 3.2kHz.
Therefore, CCZ = 0.22F (fOC = 2.99kHz), CCZ =
0.47F (fOC = 1.4kHz), or a greater value can be used.
To guarantee stable operation, do not use a capacitor
of less than 0.01F.
Setting the Automatic Gain-Control Loop
Time Constant (Selecting CCG)
The automatic gain-control loop time constant is deter-
mined by the external capacitor connected between CG+
and CG-. Maxim recommends a value of at least
0.0022F.
Programming the Output Amplitude
(Programming the SC Pin)
Output amplitude can be programmed from 400mVP-P
to 920mVP-P by applying a voltage to the SC pin. See
the Output Signal Amplitude vs. SC Pin Voltage graph
in the Typical Operating Characteristics.
f
C
IN
=
()( )
[]
1
250
π
2.7Gbps Post Amp with Automatic Gain Control
8
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX3861EGG-T | 功能描述:限幅放大器 2.7Gbps Post Amp w/Auto Gain Control RoHS:否 制造商:Micrel 输入电压范围（最大值）:3.6 V 工作电源电压:3.3 V 电源电流:40 mA 工作温度范围:- 40 C to + 85 C 封装 / 箱体:MSOP-10 封装:Tube |
| MAX3861ETG+ | 功能描述:限幅放大器 2.7Gbps Post Amp w/Auto Gain Control RoHS:否 制造商:Micrel 输入电压范围（最大值）:3.6 V 工作电源电压:3.3 V 电源电流:40 mA 工作温度范围:- 40 C to + 85 C 封装 / 箱体:MSOP-10 封装:Tube |
| MAX3861ETG+T | 功能描述:限幅放大器 2.7Gbps Post Amp w/Auto Gain Control RoHS:否 制造商:Micrel 输入电压范围（最大值）:3.6 V 工作电源电压:3.3 V 电源电流:40 mA 工作温度范围:- 40 C to + 85 C 封装 / 箱体:MSOP-10 封装:Tube |
| MAX3861EVKIT | 功能描述:放大器 IC 开发工具 RoHS:否 制造商:International Rectifier 产品:Demonstration Boards 类型:Power Amplifiers 工具用于评估:IR4302 工作电源电压:13 V to 23 V |
| MAX3863E/D | 功能描述:激光驱动器 RoHS:否 制造商:Micrel 数据速率:4.25 Gbps 工作电源电压:3 V to 3.6 V 电源电流:80 mA 最大工作温度:+ 85 C 封装 / 箱体:QFN-16 封装:Tube |
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