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ADS1120IPWR PDF预览

ADS1120IPWR

更新时间： 2024-11-23 12:49:39
品牌 Logo 应用领域
德州仪器 - TI 转换器模数转换器传感器光电二极管PC
页数 文件大小 规格书
57页 2553K
描述
Low-Power, Low-Noise, 16-Bit, Analog-to-Digital Converter for Small-Signal Sensors

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ADS1120IPWR 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-16针数：16
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：6 weeks
风险等级：1.68Samacsys Confidence：4
Samacsys Status：ReleasedSamacsys PartID：364183
Samacsys Pin Count：16Samacsys Part Category：Integrated Circuit
Samacsys Package Category：Small Outline PackagesSamacsys Footprint Name：PW (R-PDSO-G16)
Samacsys Released Date：2017-06-01 11:10:50Is Samacsys：N
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)：0.002%湿度敏感等级：2
标称负供电电压：-2.5 V模拟输入通道数量：4
位数：16功能数量：1
端子数量：16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：TSSOP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
采样速率：0.002 MHz座面最大高度：1.2 mm
最大压摆率：0.49 mA最小供电电压：2.3 V
标称供电电压：3.3 V表面贴装：YES
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：0.65 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

ADS1120IPWR 数据手册

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ADS1120  
www.ti.com  
SBAS535A –AUGUST 2013–REVISED JANUARY 2014  
Low-Power, Low-Noise, 16-Bit, Analog-to-Digital Converter for Small-Signal Sensors  
Check for Samples: ADS1120  
1
FEATURES  
DESCRIPTION  
The ADS1120 is a precision, 16-bit, analog-to-digital  
converter (ADC) that offers many integrated features  
to reduce system cost and component count in  
applications measuring small sensor signals. The  
device features two differential or four single-ended  
inputs through a flexible input multiplexer (mux), a  
low-noise, programmable gain amplifier (PGA), two  
programmable excitation current sources, a voltage  
reference, an oscillator, a low-side switch, and a  
precision temperature sensor.  
23  
•
Low Current Consumption:  
As Low as 120 μA (typ) in Duty-Cycle Mode  
•
•
•
•
•
Wide Supply Range: 2.3 V to 5.5 V  
Programmable Gain: 1 V/V to 128 V/V  
Programmable Data Rates: Up to 2 kSPS  
16-Bit Noise-Free Resolution at 20 SPS  
Simultaneous 50-Hz and 60-Hz Rejection at  
20 SPS with Single-Cycle Settling Digital Filter  
•
Dual-Matched Programmable Current Sources:  
50 μA to 1500 μA  
The device can perform conversions at data rates up  
to 2000 samples-per-second (SPS) with single-cycle  
settling. At 20 SPS, the digital filter offers  
simultaneous 50-Hz and 60-Hz rejection for noisy  
industrial applications. The internal PGA offers gains  
up to 128 V/V. This PGA makes the ADS1120 ideally-  
suited for applications measuring small sensor  
signals, such as resistance temperature detectors  
(RTDs), thermocouples, thermistors, and bridge  
sensors. The device supports measurements of  
pseudo- or fully-differential signals when using the  
PGA. Alternatively, the device can be configured to  
bypass the internal PGA while still providing high  
input impedance and gains up to 4 V/V, allowing for  
single-ended measurements.  
•
•
•
Internal 2.048-V Reference: 5 ppm/°C (typ) Drift  
Internal 2% Accurate Oscillator  
Internal Temperature Sensor:  
0.5°C (typ) Accuracy  
•
•
•
Two Differential or Four Single-Ended Inputs  
SPI™-Compatible Interface  
Package: 3,5-mm × 3,5-mm × 0,9-mm QFN  
APPLICATIONS  
•
Temperature Sensors:  
–
–
Thermocouples  
The power consumption is as low as 120 µA when  
operating in duty-cycle mode with the PGA disabled.  
Communication to the device is established through a  
mode 1 SPI-compatible interface. The ADS1120 is  
offered in a leadless QFN-16 or a TSSOP-16  
package and is specified over a temperature range of  
–40°C to +125°C.  
Resistance Temperature Detectors (RTDs)  
2-, 3-, or 4-Wire Types  
•
•
•
Bridge Sensors  
Portable Instrumentation  
Factory Automation and Process Controls  
REFP0  
REFN0  
AVDD  
DVDD  
50 ꢀA to  
1.5 mA  
Internal  
Reference  
Reference  
Mux  
ADS1120  
AIN0/REFP1  
AIN1  
CS  
Digital Filter  
and  
SCLK  
16-bit  
ûꢁꢀADC  
Mux  
PGA  
DIN  
SPI  
DOUT/DRDY  
DRDY  
Interface  
AIN2  
Low Drift  
Oscillator  
Precision  
Temp Sensor  
AIN3/REFN1  
AVSS  
CLK  
DGND  
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 © 2013–2014, Texas Instruments Incorporated  
 
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ADS1120IPWR 替代型号

型号 品牌 替代类型 描述 数据表
ADS1120IPW TI

类似代替

 Low-Power, Low-Noise, 16-Bit, Analog-to-Digital Converter for Small-Signal Sensors
AD7705BRUZ ADI

功能相似

 3V/5V, 1 mW, 2-Channel Differential, 16-Bit Sigma-Delta ADC

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