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ADS1146IPWR

更新时间： 2024-11-29 06:36:23
品牌 Logo 应用领域
德州仪器 - TI 转换器传感器温度传感器
页数 文件大小 规格书
50页 561K
描述
16-Bit Analog-to-Digital Converters for Temperature Sensors

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ADS1146IPWR 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：TSSOP
包装说明：TSSOP, TSSOP16,.25针数：16
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：1.24
最大模拟输入电压：2.5 V最小模拟输入电压：-2.5 V
转换器类型：ADC, DELTA-SIGMAJESD-30 代码：R-PDSO-G16
JESD-609代码：e4长度：5 mm
最大线性误差 (EL)：0.0015%湿度敏感等级：1
模拟输入通道数量：1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
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：TSSOP
封装等效代码：TSSOP16,.25封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度（摄氏度）：260
电源：3.3,5 V认证状态：Not Qualified
采样速率：0.002 MHz座面最大高度：1.2 mm
子类别：Other Converters最小供电电压：2.7 V
标称供电电压：5 V表面贴装：YES
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：4.4 mmBase Number Matches：1

ADS1146IPWR 数据手册

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ADS1146  
ADS1147  
ADS1148  
www.ti.com  
SBAS453C –JULY 2009–REVISED APRIL 2010  
16-Bit Analog-to-Digital Converters for Temperature Sensors  
Check for Samples: ADS1146, ADS1147, ADS1148  
1
FEATURES  
DESCRIPTION  
23  
•
16 Bits, No Missing Codes  
The ADS1146, ADS1147, and ADS1148 are  
highly-integrated, precision, 16-bit analog-to-digital  
converters (ADCs). The ADS1146/7/8 feature an  
onboard, low-noise, programmable gain amplifier  
•
Data Output Rates Up to 2kSPS  
•
•
•
•
•
•
•
•
•
•
Single-Cycle Settling for All Data Rates  
Simultaneous 50/60Hz Rejection at 20SPS  
4 Differential/7 Single-Ended Inputs (ADS1148)  
2 Differential/3 Single-Ended Inputs (ADS1147)  
Matched Current Source DACs  
(PGA),  
a
precision delta-sigma ADC with  
a
single-cycle settling digital filter, and an internal  
oscillator. The ADS1147 and ADS1148 also provide a  
built-in voltage reference with 10mA output capacity,  
and  
two  
matched  
programmable  
(DACs).  
current  
The  
Internal Voltage Reference  
digital-to-analog  
converters  
ADS1146/7/8 provide a complete front-end solution  
for temperature sensor applications including thermal  
couples, thermistors, and resistance temperature  
detectors (RTDs).  
Sensor Burnout Detection  
4/8 General-Purpose I/Os (ADS1147/8)  
Internal Temperature Sensor  
Power Supply and VREF Monitoring  
(ADS1147/8)  
An input multiplexer supports four differential inputs  
for the ADS1148, two for the ADS1147, and one for  
the ADS1146. In addition, the multiplexer has a  
•
•
•
Self and System Calibration  
sensor  
thermocouples,  
burnout  
detect,  
system  
voltage  
monitoring,  
bias  
for  
and  
SPI™-Compatible Serial Interface  
Analog Supply Operation:  
+2.7V to +5.25V Unipolar, ±2.5V Bipolar  
general-purpose digital I/Os (ADS1147 and  
ADS1148). The onboard, low-noise PGA provides  
selectable gains of 1 to 128. The delta-sigma  
modulator and adjustable digital filter settle in only  
one cycle, for fast channel cycling when using the  
input multiplexer, and support data rates up to  
2kSPS. For data rates of 20SPS or less, both 50Hz  
and 60Hz interference are rejected by the filter.  
•
•
Digital Supply: +2.7V to +5.25V  
Operating Temperature –40°C to +125°C  
APPLICATIONS  
•
Temperature Measurement  
–
RTDs, Thermocouples, and Thermistors  
The ADS1146 is offered in a small TSSOP-16  
package, the ADS1147 is available in a TSSOP-20  
package, and the ADS1148 in a TSSOP-28 package.  
All three devices operate over the extended specified  
temperature range of –40°C to +105°C.  
•
•
Pressure Measurement  
Industrial Process Control  
ADS1148 Only  
REFP0/ REFN0/  
AVDD  
REFP REFN  
DVDD  
AVDD  
GPIO0 GPIO1 REFP1 REFN1 VREFOUT VREFCOM  
DVDD  
Burnout  
Detect  
Burnout  
Detect  
ADS1147  
ADS1148  
ADS1146  
Voltage  
VREF Mux  
VBIAS  
VBIAS  
Reference  
GPIO  
SCLK  
SCLK  
AIN0/IEXC  
AIN1/IEXC  
System  
Monitor  
DIN  
DIN  
Serial  
Interface  
and  
Serial  
Interface  
and  
DRDY  
DOUT/DRDY  
CS  
DRDY  
DOUT/DRDY  
CS  
AIN2/IEXC/GPIO2  
AIN3/IEXC/GPIO3  
3rd Order  
DS  
Adjustable  
Digital  
Filter  
3rd Order  
DS  
Adjustable  
Digital  
Filter  
AIN0  
AIN1  
Input  
Mux  
Input  
Mux  
PGA  
PGA  
Modulator  
Modulator  
AIN4/IEXC/GPIO4  
AIN5/IEXC/GPIO5  
Control  
Control  
START  
RESET  
START  
RESET  
Dual  
Current  
DACs  
AIN6/IEXC/GPIO6  
AIN7/IEXC/GPIO7  
Internal Oscillator  
Internal Oscillator  
ADS1148 Only  
Burnout  
Detect  
Burnout  
Detect  
AVSS  
CLK  
DGND  
AVSS IEXC1 IEXC2  
CLK  
DGND  
ADS1148 Only  
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
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.  
Copyright © 2009–2010, Texas Instruments Incorporated  
1234567...50

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ADS1146IPWR 替代型号

型号 品牌 替代类型 描述 数据表
ADS1146IPW TI

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 		适用于精密传感器测量且具有 PGA、基准电压和 IDAC 的汽车类 16 位 2kSPS

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