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DAC8234SPFBR PDF预览

DAC8234SPFBR

更新时间： 2024-11-28 06:52:15
品牌 Logo 应用领域
德州仪器 - TI 转换器数模转换器PC
页数 文件大小 规格书
41页 1520K
描述
Quad 14-Bit High-Accuracy ±16V Output Serial Input DIGITAL-TO-ANALOG CONVERTER

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中文翻译

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DAC8234SPFBR 技术参数

是否无铅：不含铅是否Rohs认证：符合
生命周期：Active零件包装代码：QFP
包装说明：TQFP-48针数：48
Reach Compliance Code：compliantFactory Lead Time：1 week
风险等级：5.37Samacsys Confidence：
Samacsys Status：ReleasedSamacsys PartID：605549
Samacsys Pin Count：48Samacsys Part Category：Integrated Circuit
Samacsys Package Category：OtherSamacsys Footprint Name：QFP50P900X900X120-48N
Samacsys Released Date：2017-01-12 12:59:53Is Samacsys：N
最大模拟输出电压：15 V最小模拟输出电压：-15 V
转换器类型：D/A CONVERTER输入位码：BINARY, 2'S COMPLEMENT BINARY
输入格式：SERIALJESD-30 代码：S-PQFP-G48
JESD-609代码：e4长度：7 mm
最大线性误差 (EL)：0.0031%湿度敏感等级：2
标称负供电电压：-16.5 V位数：14
功能数量：1端子数量：48
最高工作温度：105 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：TFQFP
封装等效代码：TQFP48,.35SQ封装形状：SQUARE
封装形式：FLATPACK, THIN PROFILE, FINE PITCH峰值回流温度（摄氏度）：260
电源：5,+-11/+-18 V认证状态：Not Qualified
采样速率：0.125 MHz座面最大高度：1.2 mm
标称安定时间 (tstl)：6 µs子类别：Other Converters
最大压摆率：16 mA标称供电电压：16.5 V
表面贴装：YES温度等级：INDUSTRIAL
端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)端子形式：GULL WING
端子节距：0.5 mm端子位置：QUAD
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：7 mm
Base Number Matches：1

DAC8234SPFBR 数据手册

 浏览型号DAC8234SPFBR的Datasheet PDF文件第2页浏览型号DAC8234SPFBR的Datasheet PDF文件第3页浏览型号DAC8234SPFBR的Datasheet PDF文件第4页浏览型号DAC8234SPFBR的Datasheet PDF文件第5页浏览型号DAC8234SPFBR的Datasheet PDF文件第6页浏览型号DAC8234SPFBR的Datasheet PDF文件第7页 
DAC8234  
www.ti.com ........................................................................................................................................... SBAS464A–AUGUST 2009–REVISED SEPTEMBER 2009  
Quad, 14-Bit, High-Accuracy, ±16V Output, Serial Input  
DIGITAL-TO-ANALOG CONVERTER  
1
FEATURES  
DESCRIPTION  
2345  
•
Bipolar Output: Up to ±16V  
Unipolar Output: 0V to +20V  
14-Bit Monotonic  
The DAC8234 is a high-accuracy, quad-channel,  
14-bit digital-to-analog converter (DAC) that operates  
from supply voltages of ±5V to ±18V in bipolar output  
mode, and from ±5V to +24V/–12V in unipolar mode.  
With a 5V reference, the DAC8234 can be configured  
to output ±10V, ±5V, 0V to 20V, or 0V to 10V. The  
DAC8234 provides 14-bit monotonicity, excellent  
integral nonlinearity (INL) error of ±0.5 LSB, low  
glitch, and low noise over the operating temperature  
range of –40°C to +105°C. This device is trimmed in  
production for very low zero and gain errors. In  
•
•
•
•
Relative Accuracy: 0.5 LSB Max  
Low Zero and Gain Errors  
–
–
Before User Calibration: 1 LSB  
After User Calibration:  
0.031 LSB Zero Error, 0.25 LSB Gain Error  
•
•
•
•
•
•
•
•
•
Low Noise: 60nV/√Hz  
addition,  
the  
DAC8234  
implements  
a
Settling Time: 6µs  
user-programmable system-level calibration function  
to achieve ±0.031 LSB zero error and ±0.25 LSB gain  
error.  
Configurable Gain: x2/x4  
Analog Output Monitor  
Power-Down Mode  
The DAC8234 has integrated reference buffers and  
output buffers. It features a standard high-speed  
1.8V, 3V, or 5V serial peripheral interface (SPI) that  
operates at clock rates of up to 50MHz to  
communicate with a DSP or microprocessor. The four  
DAC channels and the auxiliary registers are  
addressed with four address bits. The device features  
double-buffered interface logic for simultaneous  
updates of all DACs. An asynchronous load input  
(LDAC) transfers data from the input data register to  
the DAC latch, and the contents of the DAC latch set  
the output voltage. The asynchronous RST input sets  
the output of all four DACs to 0V. The VMON pin is an  
analog monitor output that multiplexes the individual  
DAC outputs or the AIN pin.  
SPI™: Up to 50MHz, 1.8V/3V/5V Logic  
Daisy-Chain Mode  
Operating Temperature: –40°C to +105°C  
Packages: QFN-40 (6x6mm), TQFP-48 (7x7mm)  
APPLICATIONS  
•
•
•
•
Automatic Test Equipment  
Instrumentation  
Industrial Process Control  
Communications  
IOVDD  
DGND  
DVDD  
AGND  
AVDD  
AVSS  
REF-A  
REFGND-A  
DAC8234  
Analog  
Monitor  
VMON  
Reference Buffer A  
Command Register  
DAC Register 0  
The DAC8234 is pin-compatible with the DAC8734  
(16-bit) and the DAC7716 (12-bit).  
CS  
SCLK  
SDI  
RFB1-0  
RFB2-0  
VOUT-0  
SGND-0  
SPI  
Shift  
Register  
Input  
14-Bit DAC  
14-Bit DAC  
14-Bit DAC  
14-Bit DAC  
Zero Register 0  
Gain Register 0  
Control  
Logic  
RFB1-1  
RFB2-1  
VOUT-1  
SGND-1  
SDO  
DAC Register 1  
DAC Register 2  
DAC Register 3  
Zero Register 1  
Gain Register 1  
RST  
RFB1-2  
RFB2-2  
VOUT-2  
SGND-2  
UNI/BIP-A  
UNI/BIP-B  
LDAC  
Zero Register 2  
Gain Register 2  
Control  
Logic  
RFB1-3  
RFB2-3  
VOUT-3  
SGND-3  
GPIO-0  
GPIO-1  
Zero Register 3  
Gain Register 3  
Power-Down  
Control Logic  
Reference Buffer B  
AIN  
REF-B  
REFGND-B  
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
5
DSP is a trademark of Texas Instruments.  
SPI, QSPI are trademarks of Motorola Inc.  
Microwire is a trademark of National Semiconductor.  
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 © 2009, Texas Instruments Incorporated  
1234567...41

中文翻译

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DAC8234SPFBR 替代型号

型号 品牌 替代类型 描述 数据表
DAC8234SPFB TI

完全替代

 Quad 14-Bit High-Accuracy ±16V Output Serial
DAC8734SPFB TI

类似代替

 Quad 16-Bit High-Accuracy ±16V Output Serial
DAC7716SPFB TI

类似代替

 Quad 12-Bit High-Accuracy ±16V Output Serial

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