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DAC9881SBRGERG4 PDF预览

DAC9881SBRGERG4

更新时间： 2024-11-25 14:48:51
品牌 Logo 应用领域
德州仪器 - TI 输入元件转换器
页数 文件大小 规格书
38页 1427K
描述
SERIAL INPUT LOADING, 5us SETTLING TIME, 18-BIT DAC, PQCC24, 4 X 4 MM, GREEN, PLASTIC, VQFN-24

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DAC9881SBRGERG4 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Obsolete零件包装代码：QFN
包装说明：HVQCCN, LCC24,.16SQ,20针数：24
Reach Compliance Code：unknown风险等级：5.74
最大模拟输出电压：5.5 V最小模拟输出电压：
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-PQCC-N24
JESD-609代码：e4长度：4 mm
最大线性误差 (EL)：0.0008%湿度敏感等级：2
位数：18功能数量：1
端子数量：24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：HVQCCN封装等效代码：LCC24,.16SQ,20
封装形状：SQUARE封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度（摄氏度）：260电源：2.7/5 V
认证状态：Not Qualified座面最大高度：1 mm
标称安定时间 (tstl)：5 µs子类别：Other Converters
最大压摆率：1.5 mA标称供电电压：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：NO LEAD
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：4 mm
Base Number Matches：1

DAC9881SBRGERG4 数据手册

 浏览型号DAC9881SBRGERG4的Datasheet PDF文件第2页浏览型号DAC9881SBRGERG4的Datasheet PDF文件第3页浏览型号DAC9881SBRGERG4的Datasheet PDF文件第4页浏览型号DAC9881SBRGERG4的Datasheet PDF文件第5页浏览型号DAC9881SBRGERG4的Datasheet PDF文件第6页浏览型号DAC9881SBRGERG4的Datasheet PDF文件第7页 
DAC9881  
www.ti.com ......................................................................................................................................................... SBAS438A–MAY 2008–REVISED AUGUST 2008  
18-Bit, Single-Channel, Low-Noise, Voltage-Output  
DIGITAL-TO-ANALOG CONVERTER  
1
FEATURES  
DESCRIPTION  
234  
•
18-Bit Monotonic Over Temperature Range  
Relative Accuracy: ±2LSB Max  
Low-Noise: 24nV/√Hz  
The DAC9881 is an 18-bit, single-channel,  
voltage-output digital-to-analog converter (DAC). It  
features 18-bit monotonicity, excellent linearity, very  
low-noise, and fast settling time. The on-chip  
precision output amplifier allows rail-to-rail output  
swing to be achieved over the full supply range of  
2.7V to 5.5V.  
•
•
•
•
Fast Settling: 5µs  
On-Chip Output Buffer Amplifier with  
Rail-to-Rail Operation  
•
•
•
Single Power Supply: +2.7V to +5.5V  
DAC Loading Control  
The device supports a standard SPI serial interface  
capable of operating with input data clock frequencies  
up to 50MHz. The DAC9881 requires an external  
reference voltage to set the output range of the DAC  
channel. A programmable power-on reset circuit is  
also incorporated into the device to ensure that the  
DAC output powers up at zero-scale or midscale, and  
remains there until a valid write command.  
Selectable Power-On Reset to Zero-Scale or  
Midscale  
•
•
Power-Down Mode  
Unipolar Straight Binary or  
Twos Complement Input Mode  
Additionally, the DAC9881 has the capability to  
function in either unipolar straight binary or twos  
complement mode. The DAC9881 provides  
low-power operation. To further save energy,  
power-down mode can be achieved by accessing the  
PDN pin, thereby reducing the current consumption to  
25µA at 5V. Power consumption is 4mW at 5V,  
reducing to 125µW in power-down mode.  
•
•
Fast SPI™ Interface with Schmitt-Triggered  
Inputs: up to 50MHz, 1.8V/3V/5V Logic  
Small Package: QFN-24, 4mm × 4mm  
APPLICATIONS  
•
•
•
•
Automatic Test Equipment  
Precision Instrumentation  
Industrial Control  
The DAC9881 is available in a 4mm × 4mm QFN-24  
package with a specified temperature range of –40°C  
to +105°C.  
Data Acquisition Systems  
DGND  
IOVDD  
AGND  
AVDD  
VREFH-S VREFH-F  
DAC9881  
RST  
RSTSEL  
USB/BTC  
GAIN  
Power-On  
Reset  
Control  
Logic  
Resistor  
Network  
SDI  
CS  
PDN  
VOUT  
RFB  
SCLK  
Input  
Register  
DAC  
Latch  
DAC  
(1)  
RFB  
SDOSEL  
Serial Out  
Control  
NOTE: (1) RFB = 5kW for gain = 1,  
RFB = 10kW for gain = 2.  
SDO  
LDAC  
VREFL-S  
VREFL-F  
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.  
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 © 2008, Texas Instruments Incorporated  
1234567...38

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