ADS1224 24 位、240SPS ADC，具有 4 通道差动输入 Mux、High-Z 缓冲器、串行输出
ADS1224 相关产品
- ADS1234 - Functionally equivalent. With bridge type input configuration and onboard oscillator
- ADS1240 - Functionally equivalent. Excellent 50Hz and 60Hz rejection.
- ADS1112 - 16 bit, 2 channel version
|
ADS1222 |
ADS1224 |
| Resolution(Bits) |
24 |
24 |
| Sample Rate (max) |
240SPS |
240SPS |
| Architecture |
Delta-Sigma |
Delta-Sigma |
| Power Consumption(Typ)(mW) |
1.35 |
1.35 |
| DNL(Max)(+/-LSB) |
1 |
1 |
| INL(Max)(+/-LSB) |
0.0003% |
0.0003% |
| No Missing Codes(Bits) |
24 |
24 |
| ENOB(Bits) |
20 |
20 |
| No. of Supplies |
2 |
2 |
| Analog Voltage AV/DD(Min)(V) |
2.7 |
2.7 |
| Analog Voltage AV/DD(Max)(V) |
5.5 |
5.5 |
| Logic Voltage DV/DD(Min)(V) |
2.7 |
2.7 |
| Logic Voltage DV/DD(Max)(V) |
5.5 |
5.5 |
| Input Configuration Range |
2Vref |
2Vref |
| Reference Mode |
Ext |
Ext |
| Rating |
Catalog |
Catalog |
| Pin/Package |
14TSSOP |
20TSSOP |
| # Input Channels |
2 |
4 |
| Operating Temp Range(Celsius) |
-40 to 85 |
-40 to 85 |
The ADS1224 is a 4-channel, 24-bit, delta-sigma analog- to-digital (A/D) converter. It offers excellent performance and low power in a TSSOP-20 package. The ADS1224 is well-suited for demanding, high-resolution measurements, especially in portable systems and other space-saving and power-constrained applications.
A delta-sigma (ΔΣ) modulator and digital filter form the basis of the A/D converter. The analog modulator has a ±5V differential input range. An input multiplexer (MUX) is used to select between four separate differential input channels. A buffer can be selected to increase the input impedance of the measurement.
A simple, 2-wire serial interface provides all the necessary control.
ADS1224 特性
- 240SPS Data Rate with 4MHz Clock
- 20-Bit Effective Resolution
- Input Multiplexer with Four Differential Channels
- Pin-Selectable, High-Impedance Input Buffer
- ±5V Differential Input Range
- 0.0003% INL (typ), 0.0015% INL (max)
- Self-Calibrating
- Simple 2-Wire Serial Interface
- On-Chip Temperature Sensor
- Single Conversions with Standby Mode
- Low Current Consumption: 300uA
- Analog Supply: 2.7V to 5.5V
- Digital Supply: 2.7V to 5.5V
- Applications
- Hand-Held Instrumentation
- Portable Medical Equipment
- Industrial Process Control
- Weigh Scales
ADS1224 芯片订购指南
ADS1224 工具与软件
| 名称 |
型号 |
公司 |
工具/软件类型 |
| ADS1241 评估模块 |
ADS1241MEVM |
Texas Instruments |
开发电路板/EVM |
| 用于模数转换器的抗混淆计算工具 |
ANTIALIASINGCALC |
Texas Instruments |
计算实用程序 |
| 运算放大器至 ADC 电路拓扑计算器 |
ADC-INPUT-CALC |
Texas Instruments |
计算实用程序 |
ADS1224 质量与无铅数据
ADS1224 应用技术支持与电子电路设计开发资源下载
- ADS1224 数据资料 dataSheet 下载.PDF
- TI 德州仪器仪ADC 模数转换器产品选型与价格 . xls
- 模数规格和性能特性术语表 (Rev. A) (PDF 1993 KB)
- 所选封装材料的热学和电学性质 (PDF 645 KB)
- 高速数据转换 (PDF 1967 KB)
- Shelf-Life Evaluation of Lead-Free Component Finishes (PDF
1305 KB)
- A
Spreadsheet for Calculating the Frequency Response of the ADS1250-54 (PDF
461 KB)
- A Spreadsheet for Calculating the Frequency Response of the
ADS1250-54
- Understanding the ADS1251, ADS1253, and ADS1254 Input
Circuitry (PDF 39 KB)
- Analog-to-Digital Converter Grounding Practices Affect System
Performance (PDF 56 KB)
- Principles of Data Acquisition and Conversion (PDF 50 KB)
- Interleaving Analog-to-Digital Converters (PDF 64 KB)
- What
Designers Should Know About Data Converter Drift (PDF 95 KB)
- Giving Delta-Sigma Converters a Gain Boost with a Front End
Analog Gain Stage (PDF 70 KB)
- Programming Tricks for Higher Conversion Speeds Utilizing Delta
Sigma Converters (PDF 105 KB)