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MAX1394 PDF预览

MAX1394

更新时间: 2024-11-06 05:48:59
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美信 - MAXIM /
页数 文件大小 规格书
18页 315K
描述
1.5V to 3.6V, 416ksps, 1-Channel True-Differential/2-Channel Single-Ended, 8-Bit, SAR ADCs

MAX1394 数据手册

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19-3720; Rev 0; 11/06  
1.5V to 3.6V, 416ksps, 1-Channel True-Differential/  
2-Channel Single-Ended, 8-Bit, SAR ADCs  
General Description  
Features  
The MAX1391/MAX1394 micropower, serial-output,  
8-bit, analog-to-digital converters (ADCs) operate with a  
single power supply from +1.5V to +3.6V. These ADCs  
feature automatic shutdown, fast wake-up, and a high-  
speed 3-wire interface. Power consumption is only  
416ksps, 8-Bit Successive-Approximation  
Register (SAR) ADCs  
Single True-Differential Analog Input Channel  
with Unipolar-/Bipolar-Selected Input (MAX1391)  
0.743mW (V  
= +1.5V) at the maximum conversion  
DD  
Dual Single-Ended Input Channel with Channel-  
rate of 416ksps. AutoShutdown™ between conversions  
reduces power consumption at slower throughput rates.  
Selected Input (MAX1394)  
±±0. ꢀSB Iꢁꢀ, ±±0. ꢀSB Dꢁꢀ, ꢁo Missing Codes  
±±0.2 ꢀSB Total Unadꢂusted Error (TUE)  
49dB SIꢁAD at 1±±kHz Input Frequency  
Single-Supply Voltage (+102V to +306V)  
±097mW at 416ksps, 108V  
The MAX1391/MAX1394 require an external reference  
REF  
V
that has a wide range from 0.6V to V . The  
DD  
MAX1391 provides one true-differential analog input  
that accepts signals ranging from 0 to V (unipolar  
REF  
mode) or  
vides two single-ended inputs that accept signals rang-  
ing from 0 to V . Analog conversion results are  
V
/2 (bipolar mode). The MAX1394 pro-  
REF  
REF  
available through a 5MHz 3-wire SPI™-/QSPI™-/  
MICROWIRE™-/digital signal processor (DSP)-compati-  
ble serial interface. Excellent dynamic performance,  
low voltage, low power, ease of use, and small pack-  
age sizes make these converters ideal for portable bat-  
tery-powered data-acquisition applications, as well as  
other applications that demand low-power consumption  
and minimal space.  
±0.3±mW at 1±±ksps, 108V  
301µW at 1ksps, 108V  
< 1µA Shutdown Current  
External Reference (±06V to V  
)
DD  
AutoShutdown Between Conversions  
SPI-/QSPI-/MICROWIRE-/DSP-Compatible,  
The MAX1391/MAX1394 are available in a space-sav-  
ing (3mm x 3mm), 10-pin TDFN package. The parts  
operate over the extended (-40°C to +85°C) and mili-  
tary (-55°C to +125°C) temperature ranges.  
3- or 4-Wire Serial Interface  
Small (3mm x 3mm), 1±-Pin TDFꢁ  
Applications  
Portable Datalogging  
Data Acquisition  
Typical Operating Circuit and Pin Configurations appear at  
end of data sheet.  
Medical Instruments  
Battery-Powered Instruments  
Process Control  
AutoShutdown is a trademark of Maxim Integrated Products, Inc.  
SPI/QSPI are trademarks of Motorola, Inc.  
MICROWIRE is a trademark of National Semiconductor Corp.  
Ordering Information  
PART  
TEMP RAꢁGE  
-40°C to +85°C  
-55°C to +125°C  
-40°C to +85°C  
-55°C to +125°C  
PIꢁ-PACKAGE  
10 TDFN-EP*  
10 TDFN-EP*  
10 TDFN-EP*  
10 TDFN-EP*  
AꢁAꢀOG IꢁPUTS  
1-CH DIFF  
1-CH DIFF  
2-CH S/E  
TOP MARK  
PKG CODE  
T1033-1  
T1033-1  
T1033-1  
T1033-1  
MAX1391ETB  
MAX1391MTB**  
MAX1394ETB  
MAX1394MTB**  
AOX  
APA  
2-CH S/E  
*EP = Exposed pad.  
**Future product—contact factory for availability.  
________________________________________________________________ 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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