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MAX9234EUM+

更新时间: 2024-09-14 04:44:23
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美信 - MAXIM /
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15页 174K
描述
Line Receiver

MAX9234EUM+ 数据手册

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MAX9234/MAX9236/  
MAX9238  
Hot-Swappable, 21-Bit, DC-Balanced LVDS  
Deserializers  
General Description  
Features  
The MAX9234/MAX9236/MAX9238 deserialize three  
LVDS serial-data inputs into 21 single-ended  
LVCMOS/LVTTL outputs. A parallel-rate LVDS clock  
received with the LVDS data streams provides timing for  
deserialization. The outputs have a separate supply,  
allowing 1.8V to 5V output logic levels. All these devices  
are hot-swappable and allow “on-the-fly” frequency  
programming.  
o DC Balance Allows AC-Coupling for Wider Input  
Common-Mode Voltage Range  
o On-the-Fly Frequency Programming  
o Operating Frequency Range  
8MHz to 34MHz (MAX9234/MAX9236)  
16MHz to 66MHz (MAX9238)  
o Falling-Edge Output Strobe (MAX9236/MAX9238)  
The MAX9234/MAX9236/MAX9238 feature DC balance,  
which allows isolation between a serializer and deseri-  
alizer using AC-coupling. Each deserializer decodes  
data transmitted by one of the MAX9209/MAX9211/  
MAX9213/MAX9215 serializers.  
o Slower Output Transitions for Reduced EMI  
(MAX9234/MAX9236)  
o High-Impedance Outputs when PWRDWN Is Low  
Allow Output Busing  
The MAX9234 has a rising-edge output strobe. The  
MAX9236/MAX9238 have a falling-edge output strobe.  
The MAX9234/MAX9236/MAX9238 operate in DC-  
balanced mode only.  
o 5V-Tolerant PWRDWN Input  
o PLL Requires No External Components  
o Up to 1.386Gbps Throughput  
The MAX9234/MAX9236 operate with a parallel input  
clock of 8MHz to 34MHz, while the MAX9238 operates  
from 16MHz to 66MHz. The transition time of the single-  
ended outputs is increased on the low-frequency version  
parts (MAX9234/MAX9236) for reduced EMI. The LVDS  
inputs meet ISO 10605 ESD specification, 25kV for Air-  
Gap Discharge and 8kV Contact Discharge.  
o Separate Output Supply Pins Allow Interface to  
1.8V, 2.5V, 3.3V, and 5V Logic  
o LVDS Inputs Meet ISO 10605 ESD Requirements  
o LVDS Inputs Conform to ANSI TIA/EIA-644 LVDS  
Standard  
The MAX9234/MAX9236/MAX9238 are available in 48-pin  
TSSOP packages and operate over the -40°C to +85°C  
temperature range.  
o Low-Profile, 48-Lead TSSOP Package  
o +3.3V Main Power Supply  
o -40°C to +85°C Operating Temperature Range  
Applications  
Automotive Navigation Systems  
Automotive DVD Entertainment Systems  
Digital Copiers  
Ordering Information  
PIN-  
PACKAGE  
PART  
TEMP RANGE  
MAX9234EUM+  
MAX9234EUM/V+  
MAX9236EUM+  
MAX9238EUM+  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
48 TSSOP  
48 TSSOP  
48 TSSOP  
48 TSSOP  
Laser Printers  
+Denotes a lead(Pb)-free/RoHS-compliant package.  
/V Denotes an automotive qualified part.  
Note: Devices are also available in a tape-and-reel packaging.  
Specify tape and reel by adding “T” to the part number when  
ordering.  
Functional Diagram and Pin Configuration appear at end of  
data sheet.  
For pricing, delivery, and ordering information, please contact Maxim Direct  
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.  
19-3641; Rev 2; 9/12  

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