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MAX4358ECE+T

更新时间： 2024-11-20 19:57:07
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MAX4358ECE+T 数据手册

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19-2111; Rev 0; 8/01  
32 x 16 Nonblocking Video Crosspoint Switch  
with On-Screen Display Insertion and I/O Buffers  
General Description  
Features  
♦ 32 16 Nonblocking Matrix with Buffered Inputs  
and Outputs  
The MAX4358 is a 32 ✕ 16 highly integrated video  
crosspoint switch matrix with input and output buffers  
and On-Screen Display (OSD) Insertion. This device  
operates from dual 3ꢀ to 5ꢀ supplies or from a sin-  
gle +5ꢀ supply. Digital logic is supplied from an inde-  
pendent single +2.7ꢀ to +5.5ꢀ supply. Individual  
outputs can be switched between an input video signal  
source and OSD information through an internal, dedi-  
cated fast 2:1 mux (40ns switching times) located  
before the output buffer. All inputs and outputs are  
buffered, with all outputs able to drive standard 75Ω  
reverse-terminated video loads.  
✕
♦ Operates from a 3ꢀV ꢁꢀV or ꢂꢁꢀ ꢃupplꢄ  
♦ Fast ꢃwitching (40ns) 2:1 OꢃD Insertion Mux  
♦ Each Output Individuallꢄ Addressable  
♦ Individuallꢄ Programmable Output Buffer Gain  
(A = ꢂ1ꢀ/ꢀ or ꢂ2ꢀ/ꢀ)  
ꢀ
♦ High-Impedance Output Disable for Wired-OR  
Connections  
The switch matrix configuration and output buffer gain  
are programmed through an SPI/QSPI™-compatible,  
three-wire serial interface and initialized with a single  
update signal. The unique serial interface operates in  
two modes facilitating both fast updates and initializa-  
tion. On power-up, all outputs are initialized in the dis-  
abled state to avoid output conflicts in large-array  
configurations.  
Superior flexibility, high integration, and space-saving  
packaging make this nonblocking switch matrix ideal  
for routing video signals in security and video-on-  
demand systems.  
♦ 0.1dB Gain Flatness to 12MHz  
♦ Minimum -62dB CrosstalkV -110dB Isolation at  
6MHz  
♦ 0.0ꢁ%/0.1° Differential Gain/Differential Phase  
Error  
♦ Low 19ꢁmW Power Consumption (0.38mW per  
point)  
Ordering Information  
PART  
TEMP RANGE  
PIN PACKAGE  
MAX4358ECE  
-40°C to +85°C  
144 TQFP  
The MAX4358 is available in a 144-pin TQFP package  
and specified over an extended -40°C to +85°C tem-  
perature range. The MAX4358 evaluation kit is available  
to speed designs.  
Pin Configuration appears at end of data sheet.  
Functional Diagram  
Applications  
Security Systems  
OSDFILL1  
OSDFILL0 OSDFILL15  
ꢀideo Routing  
ꢀideo-On-Demand Systems  
MAX4358  
IN0  
IN1  
A *  
V
OUT0  
OUT1  
OUT2  
OUT15  
Typical Operating Circuit  
A *  
V
2:1  
OSD  
MUX  
32 x 16  
SWITCH MATRIX  
CAMERAS  
IN0  
A *  
V
IN2  
IN1  
OUT0  
OUT1  
A *  
V
IN31  
MONITOR  
MONITOR  
POWER-ON  
RESET  
THERMAL  
SHUTDOWN  
RESET  
IN31  
16  
512  
16  
DISABLE ALL OUTPUTS  
V
V
CC  
MAX4358  
EE  
DECODE LOGIC  
LATCHES  
OSDFILL0  
OSDKEY0  
AGND  
DIN  
SCLK  
V
DD  
SERIAL  
INTERFACE  
DGND  
UPDATE  
CE  
OUT15  
OSDFILL1  
OSDKEY1  
MATRIX REGISTER  
112 BITS  
DOUT  
MONITOR  
UPDATE REGISTER  
16 BITS  
AOUT  
OSDFILL15  
OSDKEY15  
*A = +1V/V OR +2V/V  
V
A0-A3 MODE  
OSDKEY0  
OSDKEY15  
OSDKEY1  
SPI/QSPI are trademarks of Motorola, Inc.  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at  
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.  
1234567...43

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MAX4358ECE+T 替代型号

型号 品牌 替代类型 描述 数据表
MAX4358ECE-T MAXIM

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