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ADS7844NBG4 PDF预览

ADS7844NBG4

更新时间: 2024-11-26 11:10:51
品牌 Logo 应用领域
德州仪器 - TI 光电二极管转换器模数转换器
页数 文件大小 规格书
24页 648K
描述
12 位 8 通道串行输出采样模数转换器 | DB | 20

ADS7844NBG4 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:SSOP
包装说明:SSOP, SSOP20,.3针数:20
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.1
最大模拟输入电压:5.25 V最小模拟输入电压:
最长转换时间:0.75 µs转换器类型:ADC, SUCCESSIVE APPROXIMATION
JESD-30 代码:R-PDSO-G20JESD-609代码:e4
长度:7.2 mm最大线性误差 (EL):0.0244%
湿度敏感等级:2模拟输入通道数量:8
位数:12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输出位码:BINARY
输出格式:SERIAL封装主体材料:PLASTIC/EPOXY
封装代码:SSOP封装等效代码:SSOP20,.3
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, SHRINK PITCH
峰值回流温度(摄氏度):260电源:3/5 V
认证状态:Not Qualified采样速率:0.2 MHz
采样并保持/跟踪并保持:SAMPLE座面最大高度:2 mm
子类别:Analog to Digital Converters最小供电电压:1.9 V
标称供电电压:2.7 V表面贴装:YES
技术:CMOS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:0.65 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:5.3 mm
Base Number Matches:1

ADS7844NBG4 数据手册

 浏览型号ADS7844NBG4的Datasheet PDF文件第2页浏览型号ADS7844NBG4的Datasheet PDF文件第3页浏览型号ADS7844NBG4的Datasheet PDF文件第4页浏览型号ADS7844NBG4的Datasheet PDF文件第5页浏览型号ADS7844NBG4的Datasheet PDF文件第6页浏览型号ADS7844NBG4的Datasheet PDF文件第7页 
ADS7844  
A
D
S
7
8
4
4
ADS7844  
SBAS100A – JANUARY 1998 – REVISED OCTOBER 2003  
12-Bit, 8-Channel Serial Output Sampling  
ANALOG-TO-DIGITAL CONVERTER  
DESCRIPTION  
FEATURES  
SINGLE SUPPLY: 2.7V to 5V  
The ADS7844 is an 8-channel, 12-bit sampling analog-to-  
digital converter (ADC) with a synchronous serial interface.  
Typical power dissipation is 3mW at a 200kHz throughput  
rate and a +5V supply. The reference voltage (VREF) can be  
varied between 100mV and VCC, providing a corresponding  
input voltage range of 0V to VREF. The device includes a  
shutdown mode that reduces power dissipation to under  
1µW. The ADS7844 is ensured down to 2.7V operation.  
8-CHANNEL SINGLE-ENDED OR  
4-CHANNEL DIFFERENTIAL INPUT  
UP TO 200kHz CONVERSION RATE  
±1 LSB MAX INL AND DNL  
NO MISSING CODES  
72dB SINAD  
Low power, high speed, and onboard multiplexer make the  
ADS7844 ideal for battery-operated systems such as personal  
digital assistants, portable multichannel data loggers, and  
measurement equipment. The serial interface also provides  
low-cost isolation for remote data acquisition. The ADS7844  
is available in a 20-lead QSOP package and the MAX147  
equivalent 20-lead SSOP package and is ensured over the  
–40°C to +85°C temperature range.  
SERIAL INTERFACE  
20-LEAD QSOP AND  
20-LEAD SSOP PACKAGES  
ALTERNATE SOURCE FOR MAX147  
APPLICATIONS  
DATA ACQUISITION  
TEST AND MEASUREMENT  
INDUSTRIAL PROCESS CONTROL  
PERSONAL DIGITAL ASSISTANTS  
BATTERY-POWERED SYSTEMS  
CH0  
CH1  
CH2  
SAR  
DCLK  
Eight  
Channel  
Multiplexer  
CH3  
CS  
CH4  
Comparator  
SHDN  
DIN  
Serial  
Interface  
and  
CH5  
CH6  
CH7  
COM  
VREF  
CDAC  
Control  
DOUT  
BUSY  
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.  
All 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 Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
Copyright © 1998-2003, Texas Instruments Incorporated  
www.ti.com  

ADS7844NBG4 替代型号

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ADS7844NB TI

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