參數(shù)資料
型號(hào)： MAX4357ECD+TD
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 31/42頁(yè)
文件大小： 0K
描述： IC VIDEO CROSSPOINT SWIT 128TQFP
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 250
功能： 視頻交叉點(diǎn)開(kāi)關(guān)
電路： 1 x 32:16
電壓電源： 單/雙電源
電壓 - 電源，單路/雙路(±)： 5V，± 3 V ~ 5 V
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 128-LQFP
供應(yīng)商設(shè)備封裝： 128-LQFP（14x20）
包裝： 帶卷 (TR)
MAX4357
32 x 16 Nonblocking Video Crosspoint Switch
with I/O Buffers
______________________________________________________________________________________
37
2. Maintain controlled-impedance traces. Design as
many of the PC board traces as possible to be 75Ω
transmission lines. This lowers the impedance of the
traces reducing a potential source of crosstalk. More
power dissipates due to the output buffer driving a
lower impedance.
3. Minimize ground current interaction by using a good
ground plane strategy.
In addition to crosstalk, another key issue of concern is
isolation. Isolation is the rejection of undesirable feed-
through from input to output with the output disabled.
The MAX4357 achieves a -110dB isolation at 6MHz by
selecting the pinout configuration such that the inputs
and outputs are on opposite sides of the package.
Coupling through the power supply is a function of the
quality and location of the supply bypassing. Use
appropriate low-impedance components and locate
them as close as possible to the IC. Avoid routing the
inputs near the outputs.
Table 6. Input Selection Programming
INPUT ADDRESS BIT
B4
(MSB)
B3
B2
B1
B0
(LSB)
SELECTED
INPUT
00
0
00
0
1
00
0
1
0
2
00
0
1
3
00
1
0
4
00
1
0
1
5
00
1
0
6
00
1
7
01
0
8
01
0
1
9
01
0
1
0
10
01
0
1
11
01
1
0
12
01
1
0
1
13
01
1
0
14
01
1
15
10
0
16
10
0
1
17
10
0
1
0
18
10
0
1
19
10
1
0
20
10
1
0
1
21
10
1
0
22
10
1
23
11
0
24
11
0
1
25
11
0
1
0
26
11
0
1
27
11
1
0
28
11
1
0
1
29
11
1
0
30
11
1
31
INPUTS (0–31)
INPUTS (32–63)
INPUTS (64–95)
INPUTS (96–127)
OUTPUTS (0–15)
32
IN
16
OUT
32
IN
16
OUT
32
IN
16
OUT
32
IN
16
OUT
16
IN
16
IN
16
OUT
MAX4357
Figure 7. 128 x 16 Nonblocking Matrix with Reduced Capacitive
Loading
0
10
5
20
15
25
30
0500
OPTIMAL ISOLATION RESISTANCE
vs. CAPACITIVE LOAD
CAPACITIVE LOAD (pF)
ISOLATION
RESISTANCE
(Ω
)
200
100
300
400
Figure 8. Optimal Isolation Resistor vs. Capacitive Load
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參數(shù)描述
MAX4358ECE 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
MAX4358ECE+ 功能描述:視頻開(kāi)關(guān) IC 32x16 Nonblocking Video Crx Switch 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
MAX4358ECE+D 功能描述:視頻開(kāi)關(guān) IC 32x16 Nonblocking Video Crx Switch 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
MAX4358ECE+T 功能描述:視頻開(kāi)關(guān) IC 32x16 Nonblocking Video Crx Switch 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
MAX4358ECE+TD 功能描述:視頻開(kāi)關(guān) IC 32x16 Nonblocking Video Crx Switch 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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