參數(shù)資料
型號(hào)： MAX467CWE
廠(chǎng)商： MAXIM INTEGRATED PRODUCTS INC
元件分類(lèi)： 運(yùn)動(dòng)控制電子
英文描述： Two-Channel, Triple/Quad RGB Video Switches and Buffers
中文描述： TRIPLE BUFFER AMPLIFIER, PDSO16
封裝： 0.300 INCH, SO-16
文件頁(yè)數(shù)： 9/16頁(yè)
文件大小： 162K
代理商： MAX467CWE
M
Two-Channel, Triple/Quad
RGB Video S witc hes and Buffers
_______________________________________________________________________________________
9
Driving Coaxial Cable
High-speed performance, excellent output current
capability, and an internally fixed gain of two make the
MAX465/MAX466/MAX469/MAX470 ideal for driving
50
or 75
back-terminated coaxial cables. The
MAX465/MAX466/MAX469/MAX470 will drive a 150
load (75
back-terminated cable) to ±2.5V.
The Typical Operating Circuitshows the MAX465/MAX466
driving four back-terminated 75
video cables. The
back-termination resistor (at each amplifier output) pro-
vides impedance matching at the driven end of the
cable to eliminate signal reflections. It forms a voltage
divider with the load impedance, which attenuates the
signal at the cable output by one-half. The amplifier
operates with an internal 2V/V closed-loop gain to pro-
vide unity gain at the cable’s output.
Driving Capac itive Loads
Driving large capacitive loads increases the likelihood
of oscillation in most amplifier circuits. This is especially
true for circuits with high loop-gains, like voltage follow-
ers. The amplifier’s output impedance and the capaci-
tive load form an RC filter that adds a pole to the loop
response. If the pole frequency is low enough, as
when driving a large capacitive load, the circuit phase
margin is degraded and oscillation may occur.
The MAX463–MAX470 phase margin and capacitive-
load driving performance are optimized by internal
compensation. When driving capacitive loads greater
than 50pF, connect an isolation resistor between the
amplifier output and the capacitive load, as shown in
Figure 3.
75
CABLE
75
CABLE
75
CABLE
75
CABLE
75
75
75
75
75
75
CABLE
75
75
150
SOURCE:
TEKTRONIX
1910 DIGITAL GENERATOR
MEASUREMENT:
TEKTRONIX VM700
VIDEOMEASUREMENT
SET
A
V
= 2
MAX469/MAX470
MAX467/MAX468
DUT
DUT
(a)
(b)
Figure 2. Differential Phase and Gain Error Test Circuits (a) for the MAX469/MAX470 Gain-of-Two Amplifiers, (b) for the
MAX467/MAX468 Unity-Gain Amplifiers
MAX468
A
V
= 1
12
100pF
OUT_
IN_
Figure 3a. Using an Isolation Resistor with a Capacitive Load
相關(guān)PDF資料
PDF描述
MAX470EWE Two-Channel, Triple/Quad RGB Video Switches and Buffers
MAX464ENI Two-Channel, Triple/Quad RGB Video Switches and Buffers
MAX464EWI Two-Channel, Triple/Quad RGB Video Switches and Buffers
MAX465CWG Two-Channel, Triple/Quad RGB Video Switches and Buffers
MAX465EWG CONNECTOR ACCESSORY
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX467CWE+ 功能描述:視頻開(kāi)關(guān) IC RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)數(shù)量:4 開(kāi)啟電阻（最大值）:12 Ohms 傳播延遲時(shí)間: 開(kāi)啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:WQFN-42 封裝:Reel
MAX467CWE+T 功能描述:視頻開(kāi)關(guān) IC RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)數(shù)量:4 開(kāi)啟電阻（最大值）:12 Ohms 傳播延遲時(shí)間: 開(kāi)啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:WQFN-42 封裝:Reel
MAX467CWE-T 功能描述:視頻開(kāi)關(guān) IC RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)數(shù)量:4 開(kāi)啟電阻（最大值）:12 Ohms 傳播延遲時(shí)間: 開(kāi)啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:WQFN-42 封裝:Reel
MAX467EPE 功能描述:視頻開(kāi)關(guān) IC RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)數(shù)量:4 開(kāi)啟電阻（最大值）:12 Ohms 傳播延遲時(shí)間: 開(kāi)啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:WQFN-42 封裝:Reel
MAX467EWE 功能描述:視頻開(kāi)關(guān) IC RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)數(shù)量:4 開(kāi)啟電阻（最大值）:12 Ohms 傳播延遲時(shí)間: 開(kāi)啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:WQFN-42 封裝:Reel
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