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MAX1305

更新时间: 2024-11-07 22:12:59
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美信 - MAXIM /
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36页 485K
描述
8-/4-/2-Channel, 12-Bit, Simultaneous-Sampling ADCs with 【10V, 【5V, and 0 to +5V Analog Input Ranges

MAX1305 数据手册

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19-3052; Rev 3; 8/04  
8-/4-/2-Channel, 12-Bit, Simultaneous-Sampling ADCs  
with ±10, ±±, and 0 to +±ꢀ 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/MAX130ꢀ/  
MAX1310 provide a 5V input range with 16.5V fault-tol-  
erant inputs. The MAX1312/MAX1313/MAX1314 have a  
10V input range with 16.5V fault-tolerant inputs. These  
ADCs convert two channels in 0.ꢀµs, and up to eight  
channels in 1.ꢀ8µs, 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 pro-  
vides the conversion results and accepts digital inputs  
that activate each channel individually.  
All devices operate from a +4.75V to +5.25V analog supply  
and a +2.7V to +5.25V digital supply and consume 57mA  
total supply current when fully operational.  
±1 LSB INL, ±0.9 LSB DNL (max)  
84dBc SFDR, -86dBc THD, 71dB SINAD,  
f
= 500kHz at 0.4dBFS  
IN  
Each device is available in a 48-pin 7mm x 7mm TQFP  
package and operates over the extended -40°C to  
+85°C temperature range.  
12-Bit, 20MHz, Parallel Interface  
Internal or External Clock  
Applications  
+2.5V Internal Reference or +2.0V to +3.0V  
External Reference  
SIN/COS Position Encoder  
Multiphase Motor Control  
+5V Analog Supply, +3V to +5V Digital Supply  
55mA Analog Supply Current  
Multiphase Power Monitoring  
Power-Grid Synchronization  
Power-Factor Monitoring  
1.3mA Digital Supply Current  
Shutdown and Power-Saving Modes  
48-Pin TQFP Package (7mm x 7mm Footprint)  
Vibration and Waveform Analysis  
Selector Guide  
Ordering Information  
PART  
INPUT RANGE (V) CHANNEL COUNT  
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 TQFP  
48 TQFP  
48 TQFP  
48 TQFP  
48 TQFP  
48 TQFP  
48 TQFP  
48 TQFP  
48 TQFP  
MAX1304ECM  
MAX1305ECM  
MAX1306ECM  
MAX1308ECM  
MAX130ꢀECM  
MAX1310ECM  
MAX1312ECM  
MAX1313ECM  
MAX1314ECM  
0 to +5  
8
4
2
8
4
2
8
4
2
MAX1304ECM  
MAX1305ECM  
MAX1306ECM  
MAX1308ECM  
MAX1309ECM  
MAX1310ECM  
MAX1312ECM  
MAX1313ECM  
MAX1314ECM  
0 to +5  
0 to +5  
5
5
5
10  
10  
10  
Pin Configurations appear at end of data sheet.  
________________________________________________________________ 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.  

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