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參數(shù)資料
| 型號： | MAX4456CQH+TD |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 14/17頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC VIDEO CROSSPOINT SWIT 44PLCC |
| 標準包裝： | 500 |
| 功能： | 視頻交叉點開關 |
| 電路： | 1 x 8:8 |
| 電壓電源： | 雙電源 |
| 電壓 - 電源，單路/雙路(±)： | ±4.5 V ~ 5.5 V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 44-LCC（J 形引線） |
| 供應商設備封裝： | 44-PLCC（16.59x16.59） |
| 包裝： | 帶卷 (TR) |
MAX4359/MAX4360/MAX4456
Low-Cost 4x4, 8x4, 8x8
Video Crosspoint Switches
6
_______________________________________________________________________________________
Detailed Description
Output Buffers
The MAX4456 video crosspoint switch consists of 64
T-switches in an 8x8 grid (Figure 1). The eight matrix
outputs are followed by eight wideband buffers opti-
mized for driving 400
and 20pF loads. The
MAX4359’s core is a 4x4 switch matrix with each of its
outputs followed by a wideband buffer. The MAX4360
has an 8x4 matrix and four output buffers. Each buffer
has an internal active load on the output that can be
readily shut off through the LOAD input (off when LOAD
= 0V). The shut-off is useful when two or more cross-
points are connected in parallel to create more input
channels. With more input channels, only one set of
buffers can be active and only one set of loads can be
driven. When active, the buffer must have either 1) an
internal load, 2) the internal load of another buffer in
another MAX4359/MAX4360/MAX4456, or 3) an exter-
nal load.
Each output can be disabled under logic control. When
a buffer is disabled, its output enters a high-impedance
state. In multichip parallel applications, the disable
function prevents inactive outputs from loading lines
driven by other devices. Disabling the inactive buffers
reduces power consumption.
The outputs connect easily to MAX4395 quad, opera-
tional amplifiers when back-terminated 75
coaxial
cable must be driven.
A = +1
IN0
IN1
IN2
IN3
IN4
IN5
IN6
IN7
OUTPUT
BUFFERS
OUT0
400
LOAD
LATCH
EDGE/LEVEL
2nd-RANK REGISTERS
1st-RANK REGISTERS
WR
CE
A0
A1
A2
D3
D2
V+
V- AGND DGND
D1/SER OUT
D0/SER IN
SER/PAR
MAX4456
8x8
SWITCH
MATRIX
A = +1
OUT7
400
Figure 1. MAX4456 Functional Diagram
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX4456EPL | 功能描述:視頻開關 IC RoHS:否 制造商:Texas Instruments 開關數(shù)量:4 開啟電阻（最大值）:12 Ohms 傳播延遲時間: 開啟時間（最大值）: 關閉時間（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 |
| MAX4456EPL+ | 功能描述:視頻開關 IC 8x8 Video Crosspoint Switch RoHS:否 制造商:Texas Instruments 開關數(shù)量:4 開啟電阻（最大值）:12 Ohms 傳播延遲時間: 開啟時間（最大值）: 關閉時間（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 |
| MAX4456EQH | 制造商:Rochester Electronics LLC 功能描述: |
| MAX4456EQH+D | 功能描述:視頻開關 IC 8x8 Video Crosspoint Switch RoHS:否 制造商:Texas Instruments 開關數(shù)量:4 開啟電阻（最大值）:12 Ohms 傳播延遲時間: 開啟時間（最大值）: 關閉時間（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 |
| MAX4456EQH+TD | 功能描述:視頻開關 IC 8x8 Video Crosspoint Switch RoHS:否 制造商:Texas Instruments 開關數(shù)量:4 開啟電阻（最大值）:12 Ohms 傳播延遲時間: 開啟時間（最大值）: 關閉時間（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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