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PACVGA105 PDF预览

PACVGA105

更新时间: 2024-01-03 17:29:57
品牌 Logo 应用领域
CALMIRCO /
页数 文件大小 规格书
6页 93K
描述
VGA Port Companion Circuit

PACVGA105 技术参数

是否无铅: 不含铅生命周期:End Of Life
零件包装代码:SOIC包装说明:SSOP,
针数:16Reach Compliance Code:compliant
HTS代码:8542.39.00.01风险等级:5.04
模拟集成电路 - 其他类型:ANALOG CIRCUITJESD-30 代码:R-PDSO-G16
JESD-609代码:e3长度:4.9 mm
湿度敏感等级:1功能数量:1
端子数量:16最高工作温度:70 °C
最低工作温度:封装主体材料:PLASTIC/EPOXY
封装代码:SSOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):260
认证状态:Not Qualified座面最大高度:1.75 mm
最大供电电压 (Vsup):5.5 V最小供电电压 (Vsup):4.5 V
标称供电电压 (Vsup):5 V表面贴装:YES
温度等级:COMMERCIAL端子面层:Tin (Sn)
端子形式:GULL WING端子节距:0.64 mm
端子位置:DUAL处于峰值回流温度下的最长时间:40
宽度:3.895 mmBase Number Matches:1

PACVGA105 数据手册

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PACVGA105  
VGA Port Companion Circuit  
Product Description  
Features  
7 channels of ESD protection designed to  
The PACVGA105 incorporates 7 channels of ESD pro-  
tection for signal lines commonly found in a VGA port  
for PCs. ESD protection is implemented with current  
steering diodes designed to safely handle the high  
peak surge currents associated with the IEC-1000-4-2  
Level-4 ESD Protection Standard (8kV contact dis-  
charge). When the channels are subjected to an elec-  
trostatic discharge, the ESD current pulse is diverted  
via the protection diodes into the positive supply rails or  
ground where they may be safely dissipated.  
meet IEC-1000-4-2 Level-4 ESD requirements  
(8kV contact discharge)  
Very low loading capacitance from ESD protection  
diodes at less than 5pF typical  
TTL to CMOS level-translating buffers for the  
HSYNC and VSYNC lines  
Three independent supply pins (V , V  
and  
CC RGB  
V
) to facilitate operation with sub-micron  
AUX  
Graphics Controller ICs  
High impedance pull-ups (50knominal to V  
)
AUX  
The upper ESD diodes for the R, G and B channels are  
for HSYNC and VSYNC inputs  
connected to a separate supply rail (V  
) to facilitate  
RGB  
Pull-up resistors (1.8knominal to V ) for  
CC  
interfacing to graphics controller ICs with low voltage  
supplies. The remaining channels are connected to the  
DDC_CLK and DDC_DATA lines  
Compact 16-pin QSOP package  
Lead-free version available  
main 5V rail (V ). The lower diodes for the R, G and B  
CC  
channels are also connected to a dedicated ground pin  
(GNDA) to minimize crosstalk due to common ground  
impedance.  
Applications  
Two non-inverting buffers are also included in this IC  
for buffering the HSYNC and VSYNC signals from the  
graphics controller IC. These buffers will accept TTL  
input levels and convert them to CMOS output levels  
ESD protection and termination resistors for VGA  
(video) port interfaces  
Desktop PCs  
Notebook computers  
that swing between GND and V . These drivers have  
CC  
LCD monitors  
a nominal 60output impedance to match the charac-  
teristic impedance of the HSYNC and VSYNC lines of  
the video cables typically used. The inputs of these  
drivers also have high impedance pull-ups (50knom.)  
pulling up to the  
V
rail. In addition, the  
AUX  
DDC_CLOCK and DDC_DATA channels have 1.8kΩ  
resistors pulling these inputs up to the main 5V (V  
rail.  
)
CC  
Simplified Electrical Schematic  
VCC  
VAUX  
VRGB  
1.8k  
1.8k  
50k  
50k  
VSYNC_OUT  
HSYNC_OUT  
DDC_CLK  
R
G
B
GNDD  
DDC_DATA  
HSYNC  
GNDA  
VSYNC  
© 2004 California Micro Devices Corp. All rights reserved.  
01/28/04 430 N. McCarthy Blvd., Milpitas, CA 95035-5112  
L
Tel: 408.263.3214  
L
Fax: 408.263.7846  
L
www.calmicro.com  
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