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參數(shù)資料
| 型號： | MAX3272 |
| 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 Limiting Amplifier |
| 中文描述： | +3.3V、2.5Gbps低功耗限幅放大器 |
| 文件頁數(shù)： | 7/14頁 |
| 文件大?。?/td> | 625K |
| 代理商： | MAX3272 |
Two control voltages V
ASSERT
, and V
DEASSERT
, define
the LOS assert and deassert levels. To prevent LOS
chatter in the region of the programmed threshold,
approximately 3.3dB of hysteresis is built into the LOS
assert/deassert function. Once asserted, LOS is not
deasserted until the input amplitude rises to the
required level (V
DEASSERT
).
To facilitate interfacing with +5V modules, the LOS and
LOS
pins on the MAX3272 do not have internal ESD
protection. If ESD protection is desired, a low-capaci-
tance Schottky diode or diode array structure, such as
the MAX3202E, is recommended (see the
Typical
Operating Circuits
).
The LOS and
LOS
pins on the MAX3272A include ESD
protection and, as a result, cannot be interfaced with
+5V modules.
Gain Stage
The high-bandwidth gain stage provides approximately
42dB of gain.
Offset-Correction Loop
Due to the high gain of the amplifier, the MAX3272/
MAX3272A are susceptible to DC offsets in the signal
path. In communications systems using NRZ data with
a 50% duty cycle, pulse-width distortion present in the
signal or generated by the transimpedance amplifier
appears as input offset and is removed by the offset-
cancellation loop. An external capacitor is required
between CAZ1 and CAZ2 to decouple the offset-can-
cellation loop and determine the lower 3dB frequency
of the signal path.
M
+3.3V, 2.5Gbps Low-Power
Limiting Amplifiers
_______________________________________________________________________________________
7
Interface Schematics
IN+
IN-
110
GND
ESD
STRUCTURES
V
CC
540
540
0.25pF
0.25pF
Figure 3. Input Circuit
GND
ESD
STRUCTURE
V
CC
LOS
8k
Figure 4a. LOS Output Circuit for MAX3272
GND
ESD
STRUCTURE
V
CC
LOS
8k
Figure 4b. LOS Output Circuit for MAX3272A
相關PDF資料 |
PDF描述 |
|---|---|
| MAX3272A | +3.3V, 2.5Gbps Low-Power Limiting Amplifiers |
| MAX3272AEGP | +3.3V, 2.5Gbps Low-Power Limiting Amplifiers |
| MAX3272AETP | CONTACT |
| MAX3272E | +3.3V, 2.5Gbps Low-Power Limiting Amplifiers |
| MAX3272ED | +3.3V, 2.5Gbps Low-Power Limiting Amplifiers |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| 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 |
| MAX3272AEGP-TG05 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX3272AETP+ | 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 |
| MAX3272AETP+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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