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DS8500-JND+ PDF预览

DS8500-JND+

更新时间: 2024-11-24 06:54:43
品牌 Logo 应用领域
美信 - MAXIM 调制解调器电信集成电路电信电路
页数 文件大小 规格书
7页 125K
描述
HART Modem

DS8500-JND+ 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, LCC20,.20SQ,25针数:20
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:6 weeks
风险等级:1.67数据速率:1.2 Mbps
JESD-30 代码:S-XQCC-N20JESD-609代码:e3
长度:5 mm湿度敏感等级:1
功能数量:1端子数量:20
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:UNSPECIFIED封装代码:HVQCCN
封装等效代码:LCC20,.20SQ,25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:Modems
最大压摆率:0.000285 mA表面贴装:YES
电信集成电路类型:MODEM温度等级:INDUSTRIAL
端子面层:Matte Tin (Sn)端子形式:NO LEAD
端子节距:0.65 mm端子位置:QUAD
处于峰值回流温度下的最长时间:30宽度:5 mm
Base Number Matches:1

DS8500-JND+ 数据手册

 浏览型号DS8500-JND+的Datasheet PDF文件第2页浏览型号DS8500-JND+的Datasheet PDF文件第3页浏览型号DS8500-JND+的Datasheet PDF文件第4页浏览型号DS8500-JND+的Datasheet PDF文件第5页浏览型号DS8500-JND+的Datasheet PDF文件第6页浏览型号DS8500-JND+的Datasheet PDF文件第7页 
Rev 1; 2/09  
HART Modem  
DS850  
General Description  
Features  
The DS8500 is a single-chip modem with Highway  
Addressable Remote Transducer (HART) capabilities  
and satisfies the HART physical layer requirements.  
The device integrates the modulation and demodulation  
of the 1200Hz/2200Hz FSK signal, has very low power  
consumption, and needs only a few external compo-  
nents due to the integrated digital signal processing.  
The input signal is sampled by an analog-to-digital con-  
verter (ADC), followed by a digital filter/demodulator.  
This architecture ensures reliable signal detection in  
noisy environments. The output digital-to-analog con-  
verter (DAC) generates a sine wave and provides a  
clean signal with phase-continuous switching between  
1200Hz and 2200Hz. Low power is achieved by dis-  
abling the receive circuits during transmit and vice  
versa. The DS8500 is ideal for low-power process con-  
trol transmitters.  
Single-Chip, Half-Duplex, 1200bps FSK  
Modulation and Demodulation  
Digital Signal Processing Provides Reliable Input  
Signal Detection in Noisy Conditions  
Sinusoidal Output Signal with Lowest Harmonic  
Distortion  
Few External Components Enable a Space-Saving  
Solution  
Standard Component 3.6864MHz Crystal  
Complies to HART Physical Layer Requirements  
2.7V to 3.6V Operating Voltage  
285µA (max) Current Consumption  
Space-Saving, 5mm x 5mm x 0.8mm, 20-Pin TQFN  
Package  
Applications  
4–20mA Loop-Powered Transmitters for  
Temperature, Pressure, Flow, and Level  
Measurement  
Ordering Information  
PART  
TEMP RANGE  
PIN-PACKAGE  
DS8500-JND+  
-40°C to +85°C  
20 TQFN-EP*  
HART Multiplexers  
+Denotes a lead(Pb)-free/RoHS-compliant package.  
*EP = Exposed pad.  
HART Modem Interface Connectivity  
Pin Configuration  
TOP VIEW  
15  
14  
13  
12  
11  
DGND 16  
DGND 17  
DGND 18  
D_OUT 19  
D_IN 20  
10 XCEN  
DGND  
XTAL2  
XTAL1  
RTS  
9
8
7
6
DS8500  
*EP  
+
1
2
3
4
5
THIN QFN  
(5mm × 5mm)  
*EXPOSED PAD.  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,  
or visit Maxim’s website at www.maxim-ic.com.  

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