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MAX1312 PDF预览

MAX1312

更新时间: 2024-11-21 14:57:23
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亚德诺 - ADI /
页数 文件大小 规格书
37页 3055K
描述
8/4/2通道、12位、同时采样ADC,提供±10V、±5V或0至+5V模拟输入范围

MAX1312 数据手册

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EVALUATION KIT AVAILABLE  
MAX1304–MAX1306  
MAX1308–MAX1310  
MAX1312–MAX1314  
8-/4-/2-Channel, 12-Bit, Simultaneous-  
Sampling ADCs with ±10V, ±5V, and 0 to +5V  
Analog Input Ranges  
General Description  
Features  
Up to Eight Channels of Simultaneous Sampling  
• 8ns Aperture Delay  
The MAX1304–MAX1306/MAX1308–MAX1310/MAX1312  
–MAX1314 12-bit, analog-to-digital converters (ADCs)  
offer eight, four, or two independent input channels.  
Independent track-and-hold (T/H) circuitry provides simul-  
taneous sampling for each channel. The MAX1304/  
MAX1305/MAX1306 provide a 0 to +5V input range  
with ±6V fault-tolerant inputs. The MAX1308/MAX1309/  
MAX1310 provide a ±5V input range with ±16.5V fault-  
tolerant inputs. The MAX1312/MAX1313/MAX1314 have  
a ±10V input range with ±16.5V fault-tolerant inputs.  
These ADCs convert two channels in 0.9μs, and up to  
eight channels in 1.98μs, with an 8-channel throughput of  
456ksps per channel. Other features include a 20MHz T/H  
input bandwidth, internal clock, internal (+2.5V) or external  
(+2.0V to +3.0V) reference, and power-saving modes.  
• 100ps Channel-to-Channel T/H Match  
Extended Input Ranges  
• 0 to +5V (MAX1304/MAX1305/MAX1306)  
• -5V to +5V (MAX1308/MAX1309/MAX1310)  
• -10V to +10V (MAX1312/MAX1313/MAX1314)  
Fast Conversion Time  
• One Channel in 0.72μs  
• Two Channels in 0.9μs  
• Four Channels in 1.26μs  
• Eight Channels in 1.98μs  
High Throughput  
• 1075ksps/Channel for One Channel  
• 901ksps/Channel for Two Channels  
• 680ksps/Channel for Four Channels  
• 456ksps/Channel for Eight Channels  
A 20MHz, 12-bit, bidirectional parallel data bus provides  
the conversion results and accepts digital inputs that acti-  
vate each channel individually.  
±1 LSB INL, ±0.9 LSB DNL (max)  
84dBc SFDR, -86dBc THD, 71dB SINAD,  
All devices operate from a +4.75V to +5.25V analog sup-  
ply and a +2.7V to +5.25V digital supply and consume  
57mA total supply current when fully operational.  
f
IN  
= 500kHz at 0.4dBFS  
12-Bit, 20MHz, Parallel Interface  
Internal or External Clock  
+2.5V Internal Reference or +2.0V to +3.0V  
External Reference  
+5V Analog Supply, +3V to +5V Digital Supply  
• 55mA Analog Supply Current  
• 1.3mA Digital Supply Current  
• Shutdown and Power-Saving Modes  
48-Pin LQFP Package (7mm x 7mm Footprint)  
Each device is available in a 48-pin 7mm x 7mm LQFP  
package and operates over the extended -40°C to +85°C  
temperature range.  
Applications  
SIN/COS Position Encoder  
Multiphase Motor Control  
Multiphase Power Monitoring  
Power-Grid Synchronization  
Power-Factor Monitoring  
Vibration and Waveform Analysis  
Ordering Information  
PART  
TEMP RANGE  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
PIN-PACKAGE  
48 LQFP  
48 LQFP  
48 LQFP  
48 LQFP  
48 LQFP  
48 LQFP  
48 LQFP  
48 LQFP  
48 LQFP  
Selector Guide  
MAX1304ECM+  
MAX1305ECM+  
MAX1306ECM+  
MAX1308ECM+  
MAX1309ECM+  
MAX1310ECM+  
MAX1312ECM+  
MAX1313ECM+  
MAX1314ECM+  
PART  
INPUT RANGE (V) CHANNEL COUNT  
MAX1304ECM  
MAX1305ECM  
MAX1306ECM  
MAX1308ECM  
MAX1309ECM  
MAX1310ECM  
MAX1312ECM  
MAX1313ECM  
MAX1314ECM  
0 to +5  
0 to +5  
0 to +5  
±5  
8
4
2
8
4
2
8
4
2
±5  
±5  
±10  
+Denotes lead(Pb)-free/RoHS-compliant package.  
±10  
±10  
Pin Configurations appear at end of data sheet.  
19-3052; Rev 6; 2/15  

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