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参数资料
| 型号： | MAX4887ETE+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 12/12页 |
| 文件大小： | 0K |
| 描述： | IC SWITCH VIDEO TRPL 16TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 100 |
| 功能： | 视频开关 |
| 电路： | 3 x 1:2 |
| 导通状态电阻： | 6.5 欧姆 |
| 电压电源： | 单电源 |
| 电压 - 电源，单路/双路(±)： | 3.3V，5V |
| 电流 - 电源： | 1µA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-WFQFN 裸露焊盘 |
| 供应商设备封装： | 16-TQFN-EP（3x3） |
| 包装： | 托盘 |
Applications Information
Power-Supply Bypassing and Sequencing
Proper power-supply sequencing is recommended for
all CMOS devices. Do not exceed the absolute maxi-
mum ratings because stresses beyond the listed rat-
ings can cause permanent damage to the device.
Always sequence V+ on first, followed by R_, G_, or B_
and the logic inputs. Bypass V+ to ground with a 0.1F
or larger ceramic capacitor as close to the device as
possible.
Layout
High-speed switches such as the MAX4887 require
proper PC board layout for optimum performance.
Ensure that impedance-controlled PC board traces for
high-speed signals are matched in length and as short
as possible. Connect the exposed paddle to a solid
ground plane.
ESD Protection
As with all Maxim devices, ESD-protection structures
are incorporated to protect against electrostatic dis-
charges encountered during handling and assembly on
all pins. Additionally, the MAX4887 is protected to ±8kV
Human Body Model (HBM) on all switches.
Human Body Model
Several ESD testing standards exist for measuring the
robustness of ESD structures. The ESD protection of
the MAX4887 is characterized with the Human Body
Model. Figure 6 shows the model used to simulate an
ESD event resulting from contact with the human body.
The model consists of a 100pF storage capacitor that is
charged to a high voltage, then discharged through a
1.5k
resistor. Figure 7 shows the current waveform
when the storage capacitor is discharged into a low
impedance.
ESD Test Conditions
ESD performance depends on a variety of conditions.
Please contact Maxim for a reliability report document-
ing test setup, methodology, and results.
Additional Applications Information
Figure 8 illustrates the MAX4887 being used in a laptop
in a 2:1 configuration (one of two sources connected to
a load). The switch assumes the dedicated DVD player
chip outputs R, G, B video, and the MAX4887 switches
between normal VGA graphics and the dedicated DVD
device.
MAX4887
Triple Video Switch
_______________________________________________________________________________________
9
V+
GND
+5V
EN
SEL
R _,B_,G_
0.1
F
R_, G_,B_
QP
VIN
R_
0.5 x VIN
B_
tPHL1
0.5 X VOUT
50
TRACE
10pF
0.5 x VIN
VIN
50
TRACE
VOUT
0.5 x VIN
VIN
0.5 X VOUT
0.5 x VIN
tPLH2
tPHL2
tPLH1
R_
B_
tSKEW = tPLH1 - tPLH2 OR tPHL1 = tPHL2
MAX4887
Figure 4. Propagation Delay and Skew Measurement
Timing Diagrams/Test Circuits (continued)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX4887ETE+ | 功能描述:视频开关 IC Triple Video Switch RoHS:否 制造商:Texas Instruments 开关数量:4 开启电阻（最大值）:12 Ohms 传播延迟时间: 开启时间（最大值）: 关闭时间（最大值）: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:WQFN-42 封装:Reel |
| MAX4887ETE+T | 功能描述:视频开关 IC Triple Video Switch RoHS:否 制造商:Texas Instruments 开关数量:4 开启电阻（最大值）:12 Ohms 传播延迟时间: 开启时间（最大值）: 关闭时间（最大值）: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:WQFN-42 封装:Reel |
| MAX4887ETE-T | 功能描述:多路器开关 IC RoHS:否 制造商:Texas Instruments 通道数量:1 开关数量:4 开启电阻（最大值）:7 Ohms 开启时间（最大值）: 关闭时间（最大值）: 传播延迟时间:0.25 ns 工作电源电压:2.3 V to 3.6 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UQFN-16 |
| MAX4888AETI | 功能描述:模拟开关 IC RoHS:否 制造商:Texas Instruments 开关数量:2 开关配置:SPDT 开启电阻（最大值）:0.1 Ohms 切换电压（最大）: 开启时间（最大值）: 关闭时间（最大值）: 工作电源电压:2.7 V to 4.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-16 |
| MAX4888AETI/V+T | 制造商:Maxim Integrated Products 功能描述:5.0GBPS PCI EXPRESS PASSIVE SWITCHES - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC SWITCH QUAD SPDT 28TQFN 制造商:Maxim Integrated Products 功能描述:5Gbps PCI Express Passive Switches |
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