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MAX1168ACEG

更新时间: 2024-11-08 22:34:19
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美信 - MAXIM 转换器
页数 文件大小 规格书
30页 460K
描述
Multichannel, 16-Bit, 200ksps Analog-to-Digital Converters

MAX1168ACEG 数据手册

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19-2956; Rev 0; 8/03  
Multichannel, 16-Bit, 200ksps Analog-to-Digital  
Converters  
General Description  
Features  
The MAX1167/MAX1168 low-power, multichannel, 16-  
bit analog-to-digital converters (ADCs) feature a suc-  
cessive-approximation ADC, integrated +4.096V  
reference, a reference buffer, an internal oscillator,  
automatic power-down, and a high-speed SPI™/  
QSPI™/MICROWIRE™-compatible interface. The  
MAX1167/MAX1168 operate with a single +5V analog  
supply and feature a separate digital supply, allowing  
direct interfacing with +2.7V to +5.5V digital logic.  
o 16-Bit Resolution, 1 ꢀLB ꢁDꢀ ꢂ(max  
o +5V Lingle-Lupply Opermtion  
o Adjustmble ꢀogic ꢀevel ꢂ+2.7V to +5.25Vx  
o Input Voltmge Rmnge: 0 to V  
REF  
o Internml ꢂ+4.096Vx or Eaternml ꢂ+3.8V to AV  
x
ꢁꢁ  
Reference  
o Internml Trmck/Hold, 4MHz Input Bmndwidth  
o Internml or Eaternml Clock  
The MAX1167/MAX1168 consume only 2.9mA (AV  
=
DD  
DV = +5V) at 200ksps when using an external reference.  
DD  
AutoShutdown™ reduces the supply current to 145µA at  
10ksps and to less than 10µA at reduced sampling rates.  
o LPI/QLPI/MICROWIRE-Co(pmtible Leriml  
Interfmce, MAX1168 Perfor(s ꢁLP-Initimted  
Conversions  
The MAX1167 includes a 4-channel input multiplexer, and  
the MAX1168 accepts up to eight analog inputs.  
In addition, digital signal processor (DSP)-initiated con-  
versions are simplified with the DSP frame-sync input and  
output featured in the MAX1168. The MAX1168 includes  
a data-bit transfer input to select between 8-bit-wide or  
16-bit-wide data-transfer modes. Both devices feature a  
scan mode that converts each channel sequentially or  
one channel continuously.  
o 8-Bit-Wide or 16-Bit-Wide ꢁmtm-Trmnsfer Mode  
ꢂMAX1168 Onlyx  
o 4-Chmnnel ꢂMAX1167x or 8-Chmnnel ꢂMAX1168x  
Input Mua  
Lcmn Mode Lequentimlly Converts Multiple  
Chmnnels or One Chmnnel Continuously  
o ꢀow Power  
Excellent dynamic performance and low power, com-  
bined with ease of use and an integrated reference, make  
the MAX1167/MAX1168 ideal for control and data-acqui-  
sition operations or for other applications with demanding  
power consumption and space requirements. The  
MAX1167 is available in a 16-pin QSOP package and the  
MAX1168 is available in a 24-pin QSOP package. Both  
devices are guaranteed over the commercial (0°C to  
+70°C) and extended (-40°C to +85°C) temperature  
ranges. Use the MAX1168 evaluation kit to evaluate the  
MAX1168.  
2.9(A mt 200ksps  
1.45(A mt 100ksps  
145µA mt 10ksps  
0.6µA in Full Power-ꢁown Mode  
o L(mll Pmckmge Lize  
16-Pin QLOP ꢂMAX1167x  
24-Pin QLOP ꢂMAX1168x  
Ordering Information  
Applications  
PID-  
IDꢀ  
PART  
TEMP RADGE  
Motor Control  
PACKAGE ꢂꢀLBx  
Industrial Process Control  
Industrial I/O Modules  
MAX1167ACEE  
MAX1167BCEE  
MAX1167CCEE  
MAX1167AEEE*  
MAX1167BEEE*  
MAX1167CEEE*  
0°C to +70°C  
0°C to +70°C  
0°C to +70°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
16 QSOP  
16 QSOP  
16 QSOP  
16 QSOP  
16 QSOP  
16 QSOP  
1.2  
2
3
Data-Acquisition Systems  
Thermocouple Measurements  
Accelerometer Measurements  
1.2  
2
3
*Future product—contact factory for availability.  
SPI/QSPI are trademarks of Motorola, Inc.  
Ordering Information continued at end of data sheet.  
Pin Configurations appear at end of data sheet.  
MICROWIRE is a trademark of National Semiconductor Corp.  
AutoShutdown is a trademark of Maxim Integrated Products, 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.  

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