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參數(shù)資料
| 型號： | MAX3272AETP+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 11/14頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC AMP LIMITING 20-TQFN |
| 產(chǎn)品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 75 |
| 類型： | 限幅放大器 |
| 應用： | 光纖學網(wǎng)絡 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 20-WFQFN 裸露焊盤 |
| 供應商設備封裝： | 20-TQFN-EP（4x4） |
| 包裝： | 管件 |
| 產(chǎn)品目錄頁面： | 1387 (CN2011-ZH PDF) |
MAX3272/MAX3272A
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 RTH 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 (ICC)
VCC
ICC
IOUT
50
RTH
50
CONTROL
SQUELCH
OPEN
LEVEL
OPEN
MAX3272/
MAX3272A
Figure 1. Power-Supply Current Measurement
MAX3272/
MAX3272A
TTL
CONTROL
POWER
DETECTOR
IN+
IN-
100
POWER DETECTOR AND
LOS INDICATOR
CML
INPUT
BUFFER
CML
OUTPUT
BUFFER
OFFSET
CORRECTION
0.1
F
LOWPASS
FILTER
LOS
SQUELCH
OUT+
OUT-
LEVEL
OUTPOL
LOS
CAZ1
CAZ2
TH
CLOS
Figure 2. Functional Diagram
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相關代理商/技術(shù)參數(shù) |
參數(shù)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 |
| MAX3272AEVKIT | 功能描述:限幅放大器 Evaluation Kit for the MAX3272A 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 |
| 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 |
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