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參數(shù)資料
| 型號： | MAX3272E |
| 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 Amplifiers |
| 中文描述： | 3.3伏，2.5Gbps的低功耗限幅放大器 |
| 文件頁數(shù)： | 6/14頁 |
| 文件大?。?/td> | 625K |
| 代理商： | MAX3272E |
M
Detailed Description
Figure 2 is a functional diagram of the MAX3272/
MAX3272A, comprising a CML input buffer, power
detector and loss-of- signal indicators, gain stage, offset-
correction loop, and CML output buffer.
CML Input Buffer
The input buffer (Figure 3) provides 100
input imped-
ance between IN+ and IN-. DC-coupling the inputs is
not recommended; this prevents the DC offset-correc-
tion circuitry from functioning properly.
Power Detect and
Loss-of-Signal Indicator
The MAX3272/MAX3272A are equipped with loss-of-sig-
nal (LOS) circuitry that indicates when the input signal is
below a programmable threshold, set by resistor R
TH
at
the TH pin (see the
Typical Operating Characteristics
for
appropriate resistor selection). An averaging peak-
power detector compares the input signal amplitude
with this threshold and feeds the signal-detect informa-
tion to the LOS outputs, which are internally terminated
to 8k
(Figure 4).
+3.3V, 2.5Gbps Low-Power
Limiting Amplifiers
6
_______________________________________________________________________________________
CML SUPPLY CURRENT (I
CC
)
V
CC
I
CC
I
OUT
50
R
TH
50
CONTROL
SQUELCH
OPEN
LEVEL
OPEN
MAX3272/
MAX3272A
Figure 1. Power-Supply Current Measurement
MAX3272/
MAX3272A
TTL
TTL
CONTROL
POWER
DETECTOR
IN+
IN-
100
POWER DETECTOR AND
LOS INDICATOR
CML
INPUT
BUFFER
CML
OUTPUT
BUFFER
OFFSET
CORRECTION
0.1
μ
F
LOWPASS
FILTER
LOS
SQUELCH
OUT+
OUT-
LEVEL
OUTPOL
LOS
CAZ1
CAZ2
TH
CLOS
Figure 2. Functional Diagram
相關(guān)PDF資料 |
PDF描述 |
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| MAX3272ED | +3.3V, 2.5Gbps Low-Power Limiting Amplifiers |
| MAX3272EGP | +3.3V, 2.5Gbps Low-Power Limiting Amplifier |
| MAX3273 | 32-Bit Digital Signal Controller with Flash 100-LQFP -40 to 125 |
| MAX3273EGG | +3.3V, 2.5Gbps Low-Power Laser Driver |
| MAX3274UGE | Dual-Rate Fibre Channel Limiting Amplifier |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX3272EGP | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX3272EGP-T | 制造商:Maxim Integrated Products 功能描述:3.3V, 2.5GBPS LOW-POWER LIMITING AMPLIFIER - Tape and Reel |
| MAX3273E/D | 功能描述:激光驅(qū)動器 RoHS:否 制造商:Micrel 數(shù)據(jù)速率:4.25 Gbps 工作電源電壓:3 V to 3.6 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-16 封裝:Tube |
| MAX3273EGG | 功能描述:激光驅(qū)動器 2.5Gbps Low-Power Laser Driver RoHS:否 制造商:Micrel 數(shù)據(jù)速率:4.25 Gbps 工作電源電壓:3 V to 3.6 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-16 封裝:Tube |
| MAX3273EGG-T | 功能描述:激光驅(qū)動器 2.5Gbps Low-Power Laser Driver RoHS:否 制造商:Micrel 數(shù)據(jù)速率:4.25 Gbps 工作電源電壓:3 V to 3.6 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-16 封裝:Tube |
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