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DAC161P997CISQ/NOPB PDF预览

DAC161P997CISQ/NOPB

更新时间： 2024-11-06 01:13:07
品牌 Logo 应用领域
德州仪器 - TI 转换器
页数 文件大小 规格书
39页 1400K
描述
DAC161P997 Single-Wire 16-bit DAC for 4- to 20-mA Loops

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中文翻译

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DAC161P997CISQ/NOPB 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：QFN
包装说明：HVQCCN, LCC16,.16SQ,20针数：16
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：1.06转换器类型：D/A CONVERTER
输入位码：BINARY输入格式：SERIAL
JESD-30 代码：S-PQCC-N16JESD-609代码：e3
长度：4 mm最大线性误差 (EL)：0.005%
湿度敏感等级：3位数：16
功能数量：1端子数量：16
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：LCC16,.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：3/3.3 V认证状态：Not Qualified
座面最大高度：0.8 mm子类别：Other Converters
最大压摆率：0.115 mA表面贴装：YES
技术：CMOS温度等级：INDUSTRIAL
端子面层：Matte Tin (Sn)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

DAC161P997CISQ/NOPB 数据手册

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Sample &  
Buy  
Support &  
Community  
Reference  
Design  
Product  
Folder  
Tools &  
Software  
Technical  
Documents  
DAC161P997  
SNAS515G –JULY 2011–REVISED DECEMBER 2014  
DAC161P997 Single-Wire 16-bit DAC for 4- to 20-mA Loops  
1 Features  
3 Description  
The DAC161P997 is a 16-bit ∑Δ digital-to-analog  
1
•
•
•
•
•
•
•
•
•
•
16-Bit Linearity  
converter (DAC) for transmitting an analog output  
current over an industry standard 4-20 mA current  
loop. It offers 16-bit accuracy with a low output  
current temperature coefficient (29 ppm/°C) and  
excellent long-term output current drift (90 ppmFS)  
while consuming less than 190 µA.  
Single-Wire Interface (SWIF), with Handshake  
Digital Data Transmission (No Loss of Fidelity)  
Pin Programmable Power-Up Condition  
Self Adjusting to Input Data Rate  
Loop Error Detection and Rreporting  
Programmable Output Current Error Level  
No External Precision Components  
Simple Interface to HART Modulator  
The data link to the DAC161P997 is a Single Wire  
Interface (SWIF) which allows sensor data to be  
transferred in digital format over an isolation  
boundary using a single isolation component. The  
DAC161P997’s digital input is compatible with  
standard isolation transformers and opto-couplers.  
Error detection and handshaking features within the  
SWIF protocol ensure error free communication  
across the isolation boundary. For applications where  
isolation is not required, the DAC161P997 interfaces  
directly to a microcontroller.  
Small Package: WQFN-16 (4 x 4 mm, 0.5 mm  
Pitch)  
•
Key Specifications  
–
–
Output Current TempCo: 29 ppmFS/°C (Max)  
Long-Term Output Current Drift: 90 ppmFS  
(Typ)  
The loop drive of the DAC161P997 interfaces to a  
HART (Highway Addressable Remote Transducer)  
modulator, allowing injection of FSK modulated digital  
data into the 4-20 mA current loop. This combination  
–
–
INL: 3.3/−2.1 µA(Max)  
Total Supply Current: 190 µA (Max)  
2 Application  
of specifications  
and features  
makes  
the  
DAC161P997 ideal for 2- and 4-wire industrial  
transmitters.  
•
•
•
•
•
•
•
•
Two-Wire, 4-20 mA Current Loop Transmitter  
Industrial Process Control  
Actuator Control  
The DAC161P997 is available in a 16–lead WQFN  
package and is specified over the extended industrial  
temperature range of -40°C to 105°C.  
Factory Automation  
Building Automation  
Device Information(1)  
Precision Instruments  
Data Acquisition Systems  
Test Systems  
PART NUMBER  
PACKAGE  
BODY SIZE (NOM)  
DAC161P997  
WQFN (16)  
4.00 mm x 4.00 mm  
(1) For all available packages, see the orderable addendum at  
the end of the datasheet.  
Simplified Schematic  
Industrial 4-20mA Transmitter  
LOOP+  
LDO  
VD  
VA  
DAC161P997  
ERRB  
BASE  
DBACK  
LOOP  
SUPPLY  
0-24 mA Loop  
µC  
XFRMR  
DIN  
+
-
Sensor  
IN  
GPIO  
ÐÂ DAC  
+
-
16  
I
DAC  
ACKB  
COMD  
COMA  
ERRLVL  
LOOP  
RECEIVER  
80k  
40  
LOW  
OUT  
NC  
LOOP-  
C1  
C2  
C3  
COM  
Circuit common  
return node  
HART Modulator  
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,  
intellectual property matters and other important disclaimers. PRODUCTION DATA.  
 
 
 
 
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中文翻译

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DAC161P997CISQ/NOPB 替代型号

型号 品牌 替代类型 描述 数据表
DAC161P997CISQX/NOPB TI

完全替代

 DAC161P997 Single-Wire 16-bit DAC for 4- to 20-mA Loops
DAC161P997CISQ TI

完全替代

 DAC161P997 Single-Wire 16-bit DAC for 4-20mA Loops

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