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DAC1221E PDF预览

DAC1221E

更新时间: 2024-09-24 22:50:43
品牌 Logo 应用领域
BB 转换器数模转换器光电二极管
页数 文件大小 规格书
14页 127K
描述
16-Bit Low Power DIGITAL-TO-ANALOG CONVERTER

DAC1221E 技术参数

是否Rohs认证: 不符合生命周期:Transferred
包装说明:SSOP-16Reach Compliance Code:unknown
风险等级:5.87Is Samacsys:N
最大模拟输出电压:2.75 V最小模拟输出电压:
转换器类型:D/A CONVERTER输入位码:BINARY, OFFSET 2'S COMPLEMENT
输入格式:SERIALJESD-30 代码:R-PDSO-G16
JESD-609代码:e0长度:4.9 mm
最大线性误差 (EL):0.003%位数:16
功能数量:1端子数量:16
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:SSOP
封装等效代码:SSOP16,.3封装形状:RECTANGULAR
封装形式:SMALL OUTLINE电源:3 V
认证状态:Not Qualified最大稳定时间:2 µs
标称安定时间 (tstl):1800 µs子类别:Other Converters
标称供电电压:3 V表面贴装:YES
技术:CMOS温度等级:INDUSTRIAL
端子面层:Tin/Lead (Sn/Pb)端子形式:GULL WING
端子节距:0.635 mm端子位置:DUAL
宽度:3.9 mmBase Number Matches:1

DAC1221E 数据手册

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®
DAC1221  
DAC1221  
For most current data sheet and other product  
information, visit www.burr-brown.com  
16-Bit Low Power  
DIGITAL-TO-ANALOG CONVERTER  
FEATURES  
APPLICATIONS  
16-BIT MONOTONICITY GUARANTEED  
PROCESS CONTROL  
OVER –40°C TO +85°C  
ATE PIN ELECTRONICS  
CLOSED-LOOP SERVO-CONTROL  
SMART TRANSMITTERS  
PORTABLE INSTRUMENTS  
VCO CONTROL  
LOW POWER: 1.2mW  
VOLTAGE OUTPUT  
SETTLING TIME: 2ms to 0.012%  
MAX LINEARITY ERROR: 30ppm  
ON-CHIP CALIBRATION  
The DAC1221 features a synchronous serial interface.  
In single converter applications, the serial interface can  
be accomplished with just two wires, allowing low-  
cost isolation. For multiple converters, a CS signal  
allows for selection of the appropriate D/A converter.  
DESCRIPTION  
The DAC1221 is a Digital-to-Analog (D/A) converter  
offering 16-bit monotonic performance over the speci-  
fied temperature range. It utilizes delta-sigma technol-  
ogy to achieve inherently linear performance in a  
small package at very low power. The output range is  
two times the external reference voltage. On-chip  
calibration circuitry dramatically reduces offset and  
gain errors.  
The DAC1221 has been designed for closed-loop  
control applications in the industrial process control  
market, and high resolution applications in the test and  
measurement market. It is also ideal for remote appli-  
cations, battery-powered instruments, and isolated sys-  
tems. The DAC1221 is available in a SSOP-16 package.  
XIN  
XOUT  
VREF  
C1 C2A C2B C3  
Clock Generator  
Microcontroller  
Second-Order  
∆∑  
Modulator  
First-Order  
Switched  
Capacitor Filter  
Second-Order  
Continuous  
Time Post Filter  
Instruction Register  
Command Register  
Data Register  
VOUT  
Offset Register  
Full-Scale Register  
Modulator Control  
Serial  
Interface  
SDIO  
SCLK  
CS  
DVDD  
DGND  
AVDD  
AGND  
International Airport Industrial Park • Mailing Address: PO Box 11400, Tucson, AZ 85734 • Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 • Tel: (520) 746-1111  
Twx: 910-952-1111 • Internet: http://www.burr-brown.com/ • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132  
© 1999 Burr-Brown Corporation  
PDS-1519B  
Printed in U.S.A. May, 2000  

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