參數(shù)資料
型號(hào): MAX4144ESD
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 通用總線功能
英文描述: High-Speed, Low-Distortion, Differential Line Receivers
中文描述: LINE RECEIVER, PDSO14
封裝: 0.150 INCH, SOIC-14
文件頁數(shù): 14/16頁
文件大小: 212K
代理商: MAX4144ESD
M
High-S peed, Low-Distortion,
Differential Line Rec eivers
14
______________________________________________________________________________________
TWISTED-PAIR-TO-COAX CABLE CONVERTER
Losses are higher at higher frequencies, contributing to
severe pulse-edge rounding in digital applications. The
nominal impedance of twisted-pair telephone wire is
110
.
The MAX4145/MAX4146, with variable gain up to
+10V/V and +100V/V, respectively, can be used to
compensate for cable losses. In the graph shown in
Figure 8, the cable characteristics are such that the
video-chroma frequency loss is almost 15dB greater
than the low-frequency loss. The losses can be com-
pensated for by using the RC-shaping network (Figure
9).
A 560
resistance and a 100pF capacitance shape the
MAX4146 gain to inversely match the frequency of the
1000 feet of telephone cable. The differential gain and
phase, using the circuit shown in Figure 9, is 0.55%
and 0.18°, respectively.
Figure 9. Circuit for Transmitting NTSC/PAL Video Over 1000 Feet of Twisted-Pair Telephone Line
VIDEOINPUT
VIDEO
OUTPUT
75
75
1, 7
8, 14
10
12
9
13
1000 FEET
2
6
MAX4147ESD
0.1
μ
F
V
CC
0.1
μ
F
V
EE
0.1
μ
F
11
9
13
75
2
3
110
560
100pF
6
5
V
CC
V
EE
MAX4146ESD
0.1
μ
F
1, 7
8, 14
OUT+
IN+
IN-
IN-
SENSE
IN+
OUT-
SENSE-
SENSE+
R
T
R
T
R
T
R
T
OUT
REF
75
75
COAX
75
V
OUT
MAX4147
MAX4144
__________________________________________________Typic al Applic ation Circ uit
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX4144ESD+ 功能描述:特殊用途放大器 RoHS:否 制造商:Texas Instruments 通道數(shù)量:Single 共模抑制比(最小值): 輸入補(bǔ)償電壓: 工作電源電壓:3 V to 5.5 V 電源電流:5 mA 最大功率耗散: 最大工作溫度:+ 70 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-20 封裝:Reel
MAX4144ESD+T 功能描述:特殊用途放大器 RoHS:否 制造商:Texas Instruments 通道數(shù)量:Single 共模抑制比(最小值): 輸入補(bǔ)償電壓: 工作電源電壓:3 V to 5.5 V 電源電流:5 mA 最大功率耗散: 最大工作溫度:+ 70 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-20 封裝:Reel
MAX4144ESD-T 功能描述:特殊用途放大器 RoHS:否 制造商:Texas Instruments 通道數(shù)量:Single 共模抑制比(最小值): 輸入補(bǔ)償電壓: 工作電源電壓:3 V to 5.5 V 電源電流:5 mA 最大功率耗散: 最大工作溫度:+ 70 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-20 封裝:Reel
MAX4144EVKIT 功能描述:放大器 IC 開發(fā)工具 RoHS:否 制造商:International Rectifier 產(chǎn)品:Demonstration Boards 類型:Power Amplifiers 工具用于評(píng)估:IR4302 工作電源電壓:13 V to 23 V
MAX4144-MAX4146 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:High-Speed, Low-Distortion, Differential Line Receivers