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參數(shù)資料
| 型號： | MAX3271E |
| 廠商： | Maxim Integrated Products, Inc. |
| 元件分類： | 運動控制電子 |
| 英文描述： | +3.3V, 2.5Gbps Low-Power Transimpedance Amplifier |
| 中文描述： | 3.3伏，2.5Gbps的低功耗阻放大器 |
| 文件頁數(shù)： | 5/8頁 |
| 文件大?。?/td> | 558K |
| 代理商： | MAX3271E |
Detailed Description
The MAX3271 is a transimpedance amplifier designed
for 2.5Gbps fiber optic applications. A functional dia-
gram of the MAX3271 is shown in Figure 1. The
MAX3271 is comprised of a transimpedance amplifier
stage, a voltage amplifier stage, an output buffer, and a
direct current feedback cancellation circuit.
Transimpedance Amplifier Stage
The signal current at the input flows into the summing
node of a high-gain amplifier. Shunt feedback through
the resistor R
F
converts this current to a voltage. In par-
allel with the feedback are two back-to-back Schottky
diodes that clamp the output signal for large input cur-
rents as shown in Figure 2.
Voltage Amplifier Stage
The voltage amplifier stage provides gain and converts
the single-ended input to differential outputs.
Output Buffer
The output buffer provides a reverse-terminated volt-
age output. The buffer is designed to drive a 100
dif-
ferential load between OUT+ and OUT-. The output
current is divided between internal 50
resistors and
the external load resistor. In the
Typical Applications
Circuit
, this creates a voltage-divider with gain of 1/2 for
a 100
differential load. The MAX3271 can also be ter-
minated with higher output impedances, which increas-
es gain and output voltage swing but lowers
bandwidth.
For optimum supply-noise rejection, the MAX3271
should be terminated with a differential load. If a single-
ended output is required, the unused output should be
similarly terminated. The MAX3271 will not drive a DC-
coupled 50
grounded load.
M
+3.3V, 2.5Gbps Low-Power
Transimpedance Amplifier
_______________________________________________________________________________________
5
VOLTAGE
AMPLIFIER
TRANSIMPEDANCE
AMPLIFIER
OUTPUT
BUFFER
OUT+
OUT-
50
50
V
CC
R
F
V
CC
LOWPASS FILTER
750
FILTER
IN
GND
DC CANCELLATION
CIRCUIT
DISABLE
MAX3271
Figure 1. Functional Diagram
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX3271W | +3.3V, 2.5Gbps Low-Power Transimpedance Amplifier |
| MAX3280EAUK-T | Circular Connector; No. of Contacts:2; Series:; Body Material:Aluminum Alloy; Connecting Termination:Solder; Connector Shell Size:10SL; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:10SL-4 RoHS Compliant: No |
| MAX3280 | 【15kV ESD-Protected 52Mbps, 3V to 5.5V, SOT23 RS-485/RS-422 True Fail-Safe Receivers |
| MAX3281EAUT-T | 【15kV ESD-Protected 52Mbps, 3V to 5.5V, SOT23 RS-485/RS-422 True Fail-Safe Receivers |
| MAX3284EAUT-T | 【15kV ESD-Protected 52Mbps, 3V to 5.5V, SOT23 RS-485/RS-422 True Fail-Safe Receivers |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX3271E/D | 功能描述:模擬開關(guān) IC RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:2 開關(guān)配置:SPDT 開啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開啟時間（最大值）: 關(guān)閉時間（最大值）: 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
| MAX3271E/D DIE | 制造商:Maxim Integrated Products 功能描述: |
| MAX3271EVKIT | 功能描述:交換機 IC 開發(fā)工具 RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:USB Power Switches 工具用于評估:MAX4984E 工作電源電壓:2.8 V to 5.5 V |
| MAX3272AEGP | 功能描述:限幅放大器 3.3V 2.5Gbps Limiting Amplifier RoHS:否 制造商:Micrel 輸入電壓范圍（最大值）:3.6 V 工作電源電壓:3.3 V 電源電流:40 mA 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:MSOP-10 封裝:Tube |
| MAX3272AEGP-T | 功能描述:限幅放大器 3.3V 2.5Gbps Limiting Amplifier RoHS:否 制造商:Micrel 輸入電壓范圍（最大值）:3.6 V 工作電源電壓:3.3 V 電源電流:40 mA 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:MSOP-10 封裝:Tube |
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