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DAC8832

更新时间： 2024-11-25 04:38:31
品牌 Logo 应用领域
德州仪器 - TI 转换器
页数 文件大小 规格书
26页 732K
描述
16-Bit, Ultra-Low Power, Voltage-Output Digital-to-Analog Converter

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DAC8832 数据手册

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DAC8832  
SBAS380A–FEBRUARY 2006–REVISED APRIL 2006  
16-Bit, Ultra-Low Power, Voltage-Output  
Digital-to-Analog Converter  
FEATURES  
DESCRIPTION  
•
•
•
•
•
•
•
•
•
•
16-Bit Resolution  
The DAC8832 is  
a single, 16-bit, serial-input,  
voltage-output digital-to-analog converter (DAC)  
operating from a single 3 V to 5 V power supply. The  
DAC8832 provides 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.  
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 Glitch: 10 nV-s  
Low Noise: 18n V/√Hz  
Fast Settling: 1.0 µS  
Fast SPI™ Interface, up to 50 MHz  
Reset to Mid-Code  
This device features a standard high-speed (clock up  
to 50MHz), 3 V or 5 V SPI serial interface to  
communicate with the DSP or microprocessors.  
Schmitt-Trigger Inputs for Direct Optocoupler  
Interface  
The DAC8832 provides unipolar or bipolar output  
(±VREF) when working with an external buffer, and is  
reset to mid-code after power-up. For optimum  
performance, a set of Kelvin connections to the  
external reference and the analog ground input are  
provided.  
APPLICATIONS  
•
•
•
•
•
Portable Equipment  
Automatic Test Equipment  
Industrial Process Control  
Data Acquisition Systems  
Optical Networking  
The DAC8832 is available in a QFN-14 package,  
and is pin-to-pin compatible with the DAC8831IRGY,  
which is reset to zero-code after power-up.  
Functional Block Diagram  
VDD  
−
VREF  
−
F
S
VREF  
RINV  
RFB  
RFB  
+V  
LDAC  
INV  
−
VO  
VOUT  
Serial  
Interface  
+
DAC  
OPA277  
OPA704  
OPA727  
CS  
SCLK  
SDI  
and  
Control  
Logic  
−
V
AGNDF  
AGNDS  
Input  
Register  
DAC Latch  
DAC8832  
DGND  
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.  
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 © 2006, Texas Instruments Incorporated  
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DAC8832 替代型号

型号 品牌 替代类型 描述 数据表
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