參數(shù)資料
型號(hào): MAX4027EUD
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 運(yùn)動(dòng)控制電子
英文描述: Round, Jacketed, Discrete, Twisted Pair Cable, 3750/10 26 AWG,
中文描述: 3-CHANNEL, VIDEO MULTIPLEXER, PDSO14
封裝: 4.40 MM, MO-153AB-1, TSSOP-14
文件頁(yè)數(shù): 7/11頁(yè)
文件大?。?/td> 351K
代理商: MAX4027EUD
M
225MHz, Triple, 2-Channel Video
Multiplexer-Amplifier
_______________________________________________________________________________________
7
Pin Description
PIN
1
2
3
4
5
6
7
NAME
IN1A
IN2A
IN3A
GND
IN1B
IN2B
IN3B
FUNCTION
Amplifier 1 Channel A Input
Amplifier 2 Channel A Input
Amplifier 3 Channel A Input
Power Supply, Analog and Digital Ground. Connect GND to ground plane for best RF performance.
Amplifier 1 Channel B Input
Amplifier 2 Channel B Input
Amplifier 3 Channel B Input
8
EN
Output Enable Logic Input. Drive
EN
low or leave open for normal operation. Pull
EN
high to disconnect
amplifier output (output is high impedance when disabled).
EN
is internally pulled to GND through a 17k
resistor.
9
10
11
12
13
OUT3
V
EE
OUT2
V
CC
OUT1
Amplifier Output 3
Negative Power-Supply Voltage. Bypass V
EE
to GND with a 0.1μF capacitor.
Amplifier Output 2
Positive Power-Supply Voltage. Bypass V
CC
to GND with a 0.1μF capacitor.
Amplifier Output 1
14
A
/B
Channel-Select Input. Drive
A
/B low or leave open to select channel A for all amplifiers. Pull
A
/B high to select
channel B for all amplifiers.
A
/B is internally pulled to GND through a 17k
resistor.
Detailed Description
The MAX4027 combines three 2:1 multiplexers with
+2V/V (+6dB) closed-loop gain (A
VCL
) amplifiers. This
low-power, high-speed device operates from ±5V sup-
plies, while driving up to two back-terminated video
loads with very low distortion. Differential gain and
phase errors are 0.012%/0.014
°
for the MAX4027.
The input multiplexers feature fast 15ns channel-
switching times and small switching transients. The
multiplexers also feature high input resistance and con-
stant input capacitance, so overall input impedance
can be set by external input-terminating resistors.
Drive
EN
high to place the amplifier outputs in a high-
impedance state, and minimize the supply current. This
function allows use of multiple mux/amps in parallel to
form large switching arrays.
The MAX4027 features an
A
/B input, which selects
either channel A or B. Drive
A
/B low to select channel A
or drive
A
/B high to select channel B. Channel A is
automatically selected if
A
/B is left unconnected.
Applications Information
Disable Mode
Drive
EN
high to place the MAX4027 in disable mode.
Placing the device in disable mode reduces the quies-
cent current to 17mA (V
CC
) and 15mA (V
EE
) and places
the amplifier outputs into a high-impedance state, typi-
A
/B
0
1
AMPLIFIER INPUT
IN_A
IN_B
FUNCTION
Channel A Selected
Channel B Selected
EN
0
AMPLIFIER OUTPUT
On
FUNCTION
Outputs Enabled
1
Off
Outputs High
Impedance
Table 1. Input Control Logic
Table 2. Output Control Logic
Truth Tables
相關(guān)PDF資料
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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MAX4027EUD+T 功能描述:視頻放大器 225MHz Triple 2Ch Video MUX-Amplifier RoHS:否 制造商:ON Semiconductor 通道數(shù)量:4 電源類型: 工作電源電壓:3.3 V, 5 V 電源電流: 最小工作溫度: 最大工作溫度: 封裝 / 箱體:TSSOP-14 封裝:Reel
MAX4027EUD-T 功能描述:視頻放大器 RoHS:否 制造商:ON Semiconductor 通道數(shù)量:4 電源類型: 工作電源電壓:3.3 V, 5 V 電源電流: 最小工作溫度: 最大工作溫度: 封裝 / 箱體:TSSOP-14 封裝:Reel
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