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ADS1220IPWR PDF预览

ADS1220IPWR

更新时间： 2024-09-30 11:06:35
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
54页 2240K
描述
具有 PGA、VREF、SPI 和两个 IDAC 的 24 位 2kSPS 四通道低功耗 Δ-Σ ADC | PW | 16 | -40 to 125

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ADS1220IPWR 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：1.2Samacsys Description：24-bit, 2-kSPS, 4-ch, low-power, small-size delta-sigma ADC w/ PGA, VREF, 2x IDACs & SPI interface
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：2
模拟输入通道数量：4位数：24
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 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 mm
Base Number Matches：1

ADS1220IPWR 数据手册

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Sample &  
Buy  
Support &  
Community  
Product  
Folder  
Tools &  
Software  
Technical  
Documents  
ADS1220  
www.ti.com  
SBAS501A –MAY 2013–REVISED JULY 2013  
Low-Power, Low-Noise, 24-Bit, Analog-to-Digital Converter for Small-Signal Sensors  
1
FEATURES  
DESCRIPTION  
The ADS1220 is a precision, 24-bit, analog-to-digital  
converter (ADC) offered in a leadless QFN-16 or a  
TSSOP-16 package. The device features two  
differential or four single-ended inputs through a very  
23  
•
Low Current Consumption:  
–
–
Duty-Cycle Mode: 120 μA  
Normal Mode: 415 μA  
flexible input multiplexer (mux),  
programmable gain amplifier  
a
low-noise,  
•
•
•
•
•
•
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  
50-Hz and 60-Hz Rejection at 20 SPS  
Low-Noise PGA: 90 nVRMS at 20 SPS  
(PGA), two  
programmable excitation current sources, an internal  
reference, an oscillator, a low-side bridge switch, and  
a precision temperature sensor. The many integrated  
features and the simple control of the ADS1220  
through an SPI-compatible interface ease precision  
measurements of the most common sensor signals.  
Dual Matched Programmable Current Sources:  
10 μA to 1500 μA  
The device can perform conversions at data rates of  
up to 2000 samples-per-second (SPS) with single-  
cycle settling. The internal PGA offers gains of up to  
128 V/V. This PGA makes the ADS1220 ideally-  
suited for applications measuring small signals, such  
as thermocouples, resistance temperature detectors  
(RTDs), thermistors, and bridge sensors. The device  
supports true bipolar analog supplies in the event that  
single-ended signals referenced to ground must be  
measured using the PGA. Alternatively, the device  
can be configured to bypass the internal PGA while  
still providing gains of up to 4 V/V, allowing for rail-to-  
rail input signals with no loss of signal integrity when  
running from a single analog supply.  
•
Internal Temperature Sensor:  
0.5°C Error (max)  
•
•
•
•
•
Low-Drift Internal Reference  
Low-Drift Internal Oscillator  
Two Differential or Four Single-Ended Inputs  
SPI™-Compatible Interface  
3,5 mm × 3,5 mm × 0,9 mm QFN Package  
APPLICATIONS  
•
Temperature Sensors:  
–
–
–
Thermocouples  
Resistance Temperature Detectors (RTDs)  
2-, 3-, and 4-Wire RTD Excitation  
The device operates in either duty-cycle mode  
(consuming 120 µA of current), normal mode  
(consuming 415 µA of current), or turbo mode (for  
highest data rates). The ADS1220 operates over a  
temperature range of –40°C to +125°C.  
•
•
•
Bridge Sensors  
Portable Instrumentation  
Factory Automation and Process Control  
REFP0  
REFN0  
AVDD  
DVDD  
10 ꢀA to  
1.5 mA  
Internal  
Reference  
Reference  
Mux  
Device  
AIN0/REFP1  
CS  
AIN1  
Digital Filter  
and  
SCLK  
24-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.  
UNLESS OTHERWISE NOTED this document contains  
PRODUCTION DATA information 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 © 2013, Texas Instruments Incorporated  
 
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ADS1220IPWR 替代型号

型号 品牌 替代类型 描述 数据表
ADS1220IPW TI

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