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DAC8831

更新时间： 2024-11-05 11:07:51
品牌 Logo 应用领域
德州仪器 - TI 转换器数模转换器
页数 文件大小 规格书
34页 1284K
描述
16 位、超低功耗、电压输出数模转换器

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DAC8831 数据手册

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DAC8830  
DAC8831  
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®
SLAS449D–FEBRUARY 2005–REVISED SEPTEMBER 2007  
16-Bit, Ultra-Low Power, Voltage-Output  
Digital-to-Analog Converters  
1
FEATURES  
DESCRIPTION  
234  
•
16-Bit Resolution  
The DAC8830 and DAC8831 are single, 16-bit,  
serial-input, voltage-output digital-to-analog  
•
•
•
•
•
•
•
•
2.7 V to 5.5 V Single-Supply Operation  
Very Low Power: 15 μW for 3 V Power  
High Accuracy, INL: 1 LSB  
Low Noise: 10 nV/√Hz  
converters (DACs) operating from a single 3 V to 5 V  
power supply. These converters provide excellent  
linearity (1 LSB INL), low glitch, low noise, and fast  
settling (1.0 μS to 1/2 LSB of full-scale output) over  
the specified temperature range of –40°C to +85°C.  
The output is unbuffered, which reduces the power  
consumption and the error introduced by the buffer.  
Fast Settling: 1.0 μS  
Fast SPI™ Interface, up to 50 MHz  
Reset to Zero-Code  
These parts feature a standard high-speed (clock up  
to 50 MHz), 3 V or 5 V SPI serial interface to  
communicate with a DSP or microprocessor.  
Schmitt-Trigger Inputs for Direct Optocoupler  
Interface  
•
Industry-Standard Pin Configuration  
The DAC8830 output is 0 V to VREF. However, the  
DAC8831 provides bipolar output (±VREF  
working with an external buffer. The DAC8830 and  
DAC8831 are both reset to zero code after power up.  
) when  
APPLICATIONS  
•
•
•
•
•
Portable Equipment  
For optimum performance,  
a
set of Kelvin  
Automatic Test Equipment  
Industrial Process Control  
Data Acquisition Systems  
Optical Networking  
connections to external reference and analog ground  
input are provided on the DAC8831.  
The DAC8830 is available in an SO-8 package, and  
the DAC8831 in an SO-14 package. Both have  
industry standard pinouts (see Table 3, the  
cross-reference table in the Application Information  
section for details). The DAC8831 is also available in  
a QFN-14 package.  
DAC8830  
DAC8831  
Functional Block Diagram  
Functional Block Diagram  
VDD  
VDD  
−
VREF  
−
F
S
VREF  
RINV RFB  
RFB  
INV  
VOUT  
DAC  
VREF  
CS  
+V  
LDAC  
VO  
−
+
VOUT  
DAC  
AGND  
CS  
SCLK  
SDI  
−
V
OPA277  
OPA704  
OPA727  
SCLK  
SDI  
Input  
Register  
AGNDF  
AGNDS  
DAC Latch  
Input  
Register  
DAC Latch  
DAC8830  
DAC8831  
DGND  
DGND  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
2
3
4
SPI, QSPI are trademarks of Motorola, Inc.  
Microwire is a trademark of National Semiconductor Corp.  
All other trademarks are the property of their respective owners.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2005–2007, Texas Instruments Incorporated  
1234567...34

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DAC8831 替代型号

型号 品牌 替代类型 描述 数据表
DAC8881 TI

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