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MAX5302

更新时间: 2024-11-20 14:58:15
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
12页 697K
描述
低功耗、12位、电压输出DAC,串行接口

MAX5302 数据手册

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19-1559; Rev 0; 10/99  
Low-Power, 12-Bit Voltage-Output DAC  
with Serial Interface  
__________________General Description  
Features  
The MAX5302 combines a low-power, voltage-output,  
12-bit digital-to-analog converter (DAC) and a precision  
output amplifier in an 8-pin µMAX package. It operates  
from a single +5V supply, drawing less than 280µA of  
supply current.  
12-Bit DAC with Configurable Output Amplifier  
+5V Single-Supply Operation  
Low Supply Current: 0.28mA Normal Operation  
2µA Shutdown Mode  
Available in 8-Pin µMAX  
The output amplifier’s inverting input is available to the  
user, allowing specific gain configurations, remote sens-  
ing, and high output current capability. This makes the  
MAX5302 ideal for a wide range of applications, includ-  
ing industrial process control. Other features include a  
software shutdown and power-on reset.  
Power-On Reset Clears DAC Output to Zero  
SPI/QSPI/MICROWIRE Compatible  
Schmitt-Trigger Digital Inputs for Direct  
Optocoupler Interface  
The serial interface is SPI™/QSPI™/MICROWIRE™ com-  
patible. The DAC has a double-buffered input, organized  
as an input register followed by a DAC register. A 16-bit  
serial word loads data into the input register. The DAC  
register can be updated independently or simultaneously  
with the input register. All logic inputs are TTL/CMOS-  
logic compatible and buffered with Schmitt triggers to  
allow direct interfacing to optocouplers.  
Ordering Information  
PART  
TEMP. RANGE  
0°C to +70°C  
PIN-PACKAGE  
8 µMAX  
Applications  
Industrial Process Control  
MAX5302CUA  
MAX5302EUA  
-40°C to +85°C  
8 µMAX  
Automatic Test Equipment  
Digital Offset and Gain Adjustment  
Motion Control  
Remote Industrial Control  
Microprocessor-Controlled Systems  
Functional Diagram  
Pin Configuration  
V
TOP VIEW  
REF  
GND  
DD  
FB  
OUT  
DAC  
REGISTER  
DAC  
1
2
3
4
8
7
6
5
V
OUT  
CS  
DD  
CONTROL  
GND  
REF  
FB  
MAX5302  
INPUT  
DIN  
REGISTER  
SCLK  
CS  
DIN  
16-BIT  
SHIFT  
MAX5302  
µMAX  
REGISTER  
SCLK  
SPI and QSPI are trademarks of Motorola, Inc.  
MICROWIRE is a trademark of National Semiconductor Corp.  
________________________________________________________________ Maxim Integrated Products  
1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.  
For small orders, phone 1-800-835-8769.  

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