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ADS1274IPAPRG4 PDF预览

ADS1274IPAPRG4

更新时间： 2024-01-26 16:58:22
品牌 Logo 应用领域
德州仪器 - TI 转换器模数转换器
页数 文件大小 规格书
51页 1452K
描述
Quad/Octal, Simultaneous Sampling, 24-Bit Analog-to-Digital Converters

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中文翻译

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ADS1274IPAPRG4 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：QFP
包装说明：GREEN, PLASTIC, HTQFP-64针数：64
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.35
Is Samacsys：N最大模拟输入电压：2.5 V
最小模拟输入电压：转换器类型：ADC, DELTA-SIGMA
JESD-30 代码：S-PQFP-G64JESD-609代码：e4
长度：10 mm最大线性误差 (EL)：0.0012%
湿度敏感等级：3模拟输入通道数量：4
位数：24功能数量：1
端子数量：64最高工作温度：125 °C
最低工作温度：-40 °C输出位码：2'S COMPLEMENT BINARY
输出格式：SERIAL封装主体材料：PLASTIC/EPOXY
封装代码：HTFQFP封装等效代码：TQFP64,.47SQ
封装形状：SQUARE封装形式：FLATPACK, HEAT SINK/SLUG, THIN PROFILE, FINE PITCH
峰值回流温度（摄氏度）：260电源：1.8/3.3,5 V
认证状态：Not Qualified采样速率：0.128 MHz
座面最大高度：1.2 mm子类别：Analog to Digital Converters
标称供电电压：1.8 V表面贴装：YES
技术：BIPOLAR温度等级：AUTOMOTIVE
端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)端子形式：GULL WING
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：10 mm
Base Number Matches：1

ADS1274IPAPRG4 数据手册

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ADS1274  
ADS1278  
www.ti.com  
SBAS367F –JUNE 2007–REVISED FEBRUARY 2011  
Quad/Octal, Simultaneous Sampling, 24-Bit Analog-to-Digital Converters  
Check for Samples: ADS1274, ADS1278  
1
FEATURES  
DESCRIPTION  
234  
•
Simultaneously Measure Four/Eight Channels  
Based on the single-channel ADS1271, the ADS1274  
(quad) and ADS1278 (octal) are 24-bit, delta-sigma  
(ΔΣ) analog-to-digital converters (ADCs) with data  
rates up to 144k samples per second (SPS), allowing  
simultaneous sampling of four or eight channels. The  
devices are offered in identical packages, permitting  
drop-in expandability.  
•
Up to 144kSPS Data Rate  
•
AC Performance:  
70kHz Bandwidth  
111dB SNR (High-Resolution Mode)  
–108dB THD  
•
•
DC Accuracy:  
0.8μV/°C Offset Drift  
1.3ppm/°C Gain Drift  
Traditionally, industrial delta-sigma ADCs offering  
good drift performance use digital filters with large  
passband droop. As a result, they have limited signal  
bandwidth and are mostly suited for dc  
measurements. High-resolution ADCs in audio  
applications offer larger usable bandwidths, but the  
offset and drift specifications are significantly weaker  
than respective industrial counterparts. The ADS1274  
and ADS1278 combine these types of converters,  
allowing high-precision industrial measurement with  
excellent dc and ac specifications.  
Selectable Operating Modes:  
High-Speed: 144kSPS, 106dB SNR  
High-Resolution: 52kSPS, 111dB SNR  
Low-Power: 52kSPS, 31mW/ch  
Low-Speed: 10kSPS, 7mW/ch  
•
•
•
•
•
•
•
Linear Phase Digital Filter  
SPI™ or Frame-Sync Serial Interface  
Low Sampling Aperture Error  
Modulator Output Option (digital filter bypass)  
Analog Supply: 5V  
The  
high-order,  
chopper-stabilized  
modulator  
achieves very low drift with low in-band noise. The  
onboard decimation filter suppresses modulator and  
signal out-of-band noise. These ADCs provide a  
usable signal bandwidth up to 90% of the Nyquist  
rate with less than 0.005dB of ripple.  
Digital Core: 1.8V  
I/O Supply: 1.8V to 3.3V  
Four operating modes allow for optimization of speed,  
resolution, and power. All operations are controlled  
directly by pins; there are no registers to program.  
The devices are fully specified over the extended  
industrial range (–40°C to +105°C) and are available  
in an HTQFP-64 PowerPAD™ package.  
APPLICATIONS  
•
•
•
•
Vibration/Modal Analysis  
Multi-Channel Data Acquisition  
Acoustics/Dynamic Strain Gauges  
Pressure Sensors  
VREFP VREFN AVDD DVDD  
IOVDD  
VREFP VREFN AVDD  
DVDD  
IOVDD  
DS  
DS  
DS  
DS  
Input1  
Input2  
Input3  
Input4  
Input1  
Input2  
Input3  
Input4  
Input5  
Input6  
Input7  
Input8  
SPI  
and  
SPI  
and  
DRDY/FSYNC  
SCLK  
DRDY/FSYNC  
SCLK  
Four  
Digital  
Filters  
DS  
DS  
DS  
Frame-  
Sync  
Frame-  
Sync  
DOUT[4:1]  
DIN  
DOUT[8:1]  
DIN  
Interface  
Interface  
DS  
DS  
DS  
DS  
DS  
Eight  
Digital  
Filters  
TEST[1:0]  
FORMAT[2:0]  
CLK  
TEST[1:0]  
FORMAT[2:0]  
CLK  
Control  
Logic  
Control  
Logic  
SYNC  
SYNC  
PWDN[4:1]  
CLKDIV  
PWDN[8:1]  
CLKDIV  
MODE[1:0]  
MODE[1:0]  
AGND  
DGND  
AGND  
DGND  
ADS1274  
ADS1278  
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
PowerPAD is a trademark of Texas Instruments, Inc.  
SPI is a trademark of Motorola, Inc.  
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.  
© 2007–2011, Texas Instruments Incorporated  
 
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ADS1274IPAPRG4 替代型号

型号 品牌 替代类型 描述 数据表
ADS1274IPAPR TI

完全替代

 Quad/Octal, Simultaneous Sampling, 24-Bit Analog-to-Digital Converters
ADS1274IPAPT TI

类似代替

 Quad/Octal, Simultaneous Sampling, 24-Bit Analog-to-Digital Converters
ADS1174IPAPT TI

类似代替

 Quad/Octal, Simultaneous Sampling, 16-Bit Analog-to-Digital Converters

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